Wikipedia

List of reservoirs in the United Kingdom

(Redirected from List of reservoirs in England and Wales by volume)

This list only includes the largest reservoirs. For an extensive list of reservoirs, as well as dams, see List of dams and reservoirs in the United Kingdom

The following page lists the reservoirs in the United Kingdom.

Reservoirs accounting for 90% storage

edit

This list contains 273 individual reservoirs, which amount to approximately 90% of total reservoir storage in the United Kingdom, sourced from the Environmental Information Data Centre.[1]

Map all coordinates using OpenStreetMap

Download coordinates as:

Rank Name Country County Grid Ref.
Location 		Maximum volume m3[1] Planning
date		 Completion
date
26 Abberton England Essex TL9810018300

51°49′41″N 0°52′24″E / 51.828181°N 0.873431°E / 51.828181; 0.873431 (Abberton Reservoir)

39,000,000 1935[i] 1939
175 Agden England South Yorkshire SK2610092300

53°25′37″N 1°36′31″W / 53.426850°N 1.6086803°W / 53.426850; -1.6086803 (Agden Reservoir)

2,859,000 1864 1869
152 Allerton Newton Fairburn England West Yorkshire SE4500027200

53°44′21″N 1°19′09″W / 53.739250°N 1.3192470°W / 53.739250; -1.3192470 (Allerton Newton Fairburn)

3,347,500 NA NA
229 Allt na Lairige Scotland Argyll and Bute NN2530017400

56°19′00″N 4°49′34″W / 56.316700°N 4.8262144°W / 56.316700; -4.8262144 (Allt na Lairige)

1,838,000 1943[ii] 1956[iii]
83 Alton Water England Suffolk TM1620035700

51°58′40″N 1°08′48″E / 51.977682°N 1.1465962°E / 51.977682; 1.1465962 (Alton Water)

9,100,000 1974[iv] 1986
60 Alwen Reservoir Wales Conwy SH9550053000

53°03′50″N 3°33′39″W / 53.063990°N 3.5609018°W / 53.063990; -3.5609018 (Alwen Reservoir)

14,754,000 1909 1921
135 Anglezarke England Lancashire SD6170016000

53°38′21″N 2°34′51″W / 53.639105°N 2.5807524°W / 53.639105; -2.5807524 (Anglezarke Reservoir)

4,044,000 1850 1857
129 Angram England North Yorkshire SE0400076000

54°10′47″N 1°56′25″W / 54.179767°N 1.9402122°W / 54.179767; -1.9402122 (Angram Reservoir)

4,737,000 1904 1918
119 Ardingly England West Sussex TQ3350028800

51°02′35″N 0°05′49″W / 51.043051°N 0.097062417°W / 51.043051; -0.097062417 (Ardingly Reservoir)

5,206,000 1974[v] 1979[v]
210 Ardleigh England Essex TM0340028200

51°54′55″N 0°57′22″E / 51.915170°N 0.95606328°E / 51.915170; 0.95606328 (Ardleigh Reservoir)

2,109,000 1964 1979
143 Arlington England East Sussex TQ5335207419

50°50′46″N 0°10′37″E / 50.845975°N 0.17691709°E / 50.845975; 0.17691709 (Arlington Reservoir)

3,545,800 1969 1971
185 Audenshaw No.1 England Greater Manchester SJ9170096700

53°28′01″N 2°07′35″W / 53.466973°N 2.1264940°W / 53.466973; -2.1264940 (Audenshaw No.1)

2,590,000 1875 1882
234 Audenshaw No.2 England Greater Manchester SJ9140096200

53°27′45″N 2°07′52″W / 53.462474°N 2.1309991°W / 53.462474; -2.1309991 (Audenshaw No.2)

1,745,000 1875 1882
183 Audenshaw No.3 England Greater Manchester SJ9110096700

53°28′01″N 2°08′08″W / 53.466963°N 2.1355320°W / 53.466963; -2.1355320 (Audenshaw No.3)

2,680,000 1877 1882
201 Baddinsgill[v] Scotland Scottish Borders NT1286455787

55°47′15″N 3°23′28″W / 55.787507°N 3.3910944°W / 55.787507; -3.3910944 (Baddinsgill Reservoir)

2,250,000 1926 1828
144 Baitings England West Yorkshire SE0100018900

53°40′00″N 1°59′11″W / 53.666580°N 1.9863413°W / 53.666580; -1.9863413 (Baitings Reservoir)

3,523,000 1929[v] 1956
168 Bakethin England Northumberland NY6430091300

55°12′53″N 2°33′45″W / 55.214639°N 2.5626151°W / 55.214639; -2.5626151 (Bakethin Reservoir)

2,960,000 1971[vi] 1981
50 Balderhead England County Durham NY9280018400

54°33′39″N 2°06′46″W / 54.560782°N 2.1128527°W / 54.560782; -2.1128527 (Balderhead Reservoir)

19,618,000 1959[i] 1965
178 Banbury England Greater London TQ3620091400

51°36′18″N 0°02′05″W / 51.604974°N 0.034668699°W / 51.604974; -0.034668699 (Banbury Reservoir)

2,779,000 1897[iv] 1903
166 Banbury FSA England Greater London TQ3620091400

51°36′18″N 0°02′05″W / 51.604974°N 0.034668699°W / 51.604974; -0.034668699 (Banbury FSA)

3,040,000 2001 2012
202 Barden Lower England North Yorkshire SE0350056700

54°00′23″N 1°56′53″W / 54.006312°N 1.9480887°W / 54.006312; -1.9480887 (Barden Lower Reservoir)

2,240,000 1854 1873
209 Barden Upper England North Yorkshire SE0120057800

54°00′58″N 1°58′59″W / 54.016208°N 1.9831770°W / 54.016208; -1.9831770 (Barden Upper Reservoir)

2,112,000 1854 1873
261 Barnacre North England Lancashire SD5260047800

53°55′27″N 2°43′24″W / 53.924153°N 2.7232767°W / 53.924153; -2.7232767 (Barnacre North)

344,000 1861[iv] 1878
264 Barnacre South England Lancashire SD5260047600

53°55′20″N 2°43′24″W / 53.922355°N 2.7232456°W / 53.922355; -2.7232456 (Barnacre South)

248,000 1861[iv] 1878
268 Barrow 1 England Somerset ST5360067200

51°24′07″N 2°40′06″W / 51.401921°N 2.6684067°W / 51.401921; -2.6684067 (Barrow 1)

157,000 1846[iv] 1850
265 Barrow 2 England Somerset ST5390067500

51°24′17″N 2°39′51″W / 51.404643°N 2.6641335°W / 51.404643; -2.6641335 (Barrow 2)

245,000 1846[iv] 1850
208 Barrow 3 England Somerset ST5430068000

51°24′33″N 2°39′30″W / 51.409171°N 2.6584480°W / 51.409171; -2.6584480 (Barrow 3)

2,160,000 1846[iv] 1850
191 Bartley England West Midlands County SP0020081200

52°25′44″N 1°59′55″W / 52.428782°N 1.9984853°W / 52.428782; -1.9984853 (Bartley Reservoir)

2,400,000 1925 1930
267 Beacons Reservoir Wales Powys SN9870018580

51°51′24″N 3°28′20″W / 51.856583°N 3.4722935°W / 51.856583; -3.4722935 (Beacons Reservoir)

160,000 1883[iv] 1897
96 Beckingham FSA England Nottinghamshire SK7950090500

53°24′19″N 0°48′20″W / 53.405341°N 0.80563022°W / 53.405341; -0.80563022 (Beckingham FSA)

7,000,000 1960 1960
224 Belmont England Blackburn with Darwen SD6730016400

53°38′35″N 2°29′46″W / 53.643081°N 2.4960998°W / 53.643081; -2.4960998 (Belmont Reservoir)

1,886,000 1824 1826
206 Belvide England Staffordshire SJ8650010200

52°41′22″N 2°12′04″W / 52.689316°N 2.2011613°W / 52.689316; -2.2011613 (Belvide Reservoir)

2,196,000 1825[i] 1833
239 Ben Crom Northern Ireland County Down SB4015582002

54°10′04″N 5°58′57″W / 54.167845°N 5.9825162°W / 54.167845; -5.9825162 (Ben Crom Reservoir)

1,700,000 1945 1957
32 Bewl Bridge England East Sussex TQ6776832663

51°04′08″N 0°23′35″E / 51.068782°N 0.39313386°E / 51.068782; 0.39313386 (Bewl Bridge Reservoir)

31,400,000 1967[vi] 1975
195 Blackbrook England Leicestershire SK4580017500

52°45′11″N 1°19′22″W / 52.753180°N 1.3228607°W / 52.753180; -1.3228607 (Blackbrook Reservoir)

2,300,000 1901 1906
160 Blackmoorfoot England West Yorkshire SE0990013000

53°36′48″N 1°51′07″W / 53.613459°N 1.8518301°W / 53.613459; -1.8518301 (Blackmoorfoot)

3,205,000 1869 1876
212 Blackton England County Durham NY9440018600

54°33′45″N 2°05′17″W / 54.562600°N 2.0881146°W / 54.562600; -2.0881146 (Blackton Reservoir)

2,105,000 1876[i] 1896
5 Blackwater Scotland Highland NN2475160292

56°42′05″N 4°51′50″W / 56.701359°N 4.8639740°W / 56.701359; -4.8639740 (Blackwater Reservoir)

214,977,000 1904 1909
88 Blagdon (Bristol) England Somerset ST5100060000

51°20′13″N 2°42′17″W / 51.336967°N 2.7047849°W / 51.336967; -2.7047849 (Blagdon Lake)

8,260,000 1888[iv] 1904
52 Blithfield England Staffordshire SK0600023500

52°48′32″N 1°54′45″W / 52.809016°N 1.9124313°W / 52.809016; -1.9124313 (Blithfield Reservoir)

18,200,000 1892 1953
248 Bosley England Cheshire SJ9220065900

53°11′24″N 2°07′05″W / 53.190130°N 2.1181929°W / 53.190130; -2.1181929 (Bosley Reservoir)

1,224,000 1826 1931
196 Bottoms (Longdendale) England Derbyshire SK0230097000

53°28′11″N 1°58′01″W / 53.469732°N 1.9668196°W / 53.469732; -1.9668196 (Bottoms Reservoir (Derbyshire))

2,300,000 1848 1877
78 Bough Beech England Kent TQ4940047700

51°12′32″N 0°08′15″E / 51.208972°N 0.13741063°E / 51.208972; 0.13741063 (Bough Beech Reservoir)

10,018,000 1965[vi] 1968
220 Branston Island England Lincolnshire TF1000071000

53°13′29″N 0°21′14″W / 53.224667°N 0.35378615°W / 53.224667; -0.35378615 (Branston Island)

2,000,000 NA NA
246 Brent England Greater London TQ2160087100

51°34′11″N 0°14′49″W / 51.569668°N 0.24686808°W / 51.569668; -0.24686808 (Brent Reservoir)

1,632,330 1819 1835
126 Broomhead England South Yorkshire SK2690095900

53°27′33″N 1°35′47″W / 53.459168°N 1.5963348°W / 53.459168; -1.5963348 (Broomhead Reservoir)

4,937,282 1867 1929
69 Brotherton Little Marsh to Birkin Holme Washland England North Yorkshire SE5210025300

53°43′17″N 1°12′43″W / 53.721515°N 1.2119357°W / 53.721515; -1.2119357 (Brotherton Little Marsh to Birkin Holme Washland)

11,320,000 NA NA
102 Burnhope England County Durham NY8470039000

54°44′45″N 2°14′21″W / 54.745724°N 2.2391942°W / 54.745724; -2.2391942 (Burnhope Reservoir)

6,438,182 1931 1937
132 Burrator[v] England Devon SX5568768562

50°29′57″N 4°02′10″W / 50.499032°N 4.0361770°W / 50.499032; -4.0361770 (Burrator Reservoir)

4,464,000 1891 1898
232 Butterley England West Yorkshire SE0470010500

53°35′28″N 1°55′50″W / 53.591059°N 1.9304674°W / 53.591059; -1.9304674 (Butterley Reservoir (Derbyshire))

1,773,000 1789 1794
28 Caban Coch Wales Powys SN9160063200

52°15′23″N 3°35′22″W / 52.256256°N 3.5895197°W / 52.256256; -3.5895197 (Caban Coch)

36,865,000 1892[iv] 1904
218 Caldecott Lake England Buckinghamshire SP8990035800

52°00′48″N 0°41′29″W / 52.013356°N 0.69150143°W / 52.013356; -0.69150143 (Caldecott Lake)

2,014,000 1967 1972
269 Cantref Reservoir Wales Powys SN9938015840

51°49′55″N 3°27′42″W / 51.832079°N 3.4616252°W / 51.832079; -3.4616252 (Cantref Reservoir)

145,000 1884[iv] 1892
29 Carsington England Derbyshire SK2480051400

53°03′33″N 1°37′53″W / 53.059279°N 1.6314139°W / 53.059279; -1.6314139 (Carsington Water)

36,000,000 1973[vi] 1992
75 Catcleugh England Northumberland NT7470003100

55°19′17″N 2°24′01″W / 55.321313°N 2.4002361°W / 55.321313; -2.4002361 (Catcleugh Reservoir)

10,500,000 1888 1905
240 Catterall Flood Storage England Lancashire SD4680041300

53°51′55″N 2°48′38″W / 53.865173°N 2.8104563°W / 53.865173; -2.8104563 (Catterall Flood Storage)

1,700,000 NA 1982
214 Cavendish Dock England Cumbria SD2120068300

54°06′16″N 3°12′24″W / 54.104527°N 3.2066514°W / 54.104527; -3.2066514 (Cavendish Dock)

2,053,000 1863 1879
63 Cawood Ings Wistow Lordship England North Yorkshire SE6050036000

53°49′00″N 1°04′57″W / 53.816769°N 1.0825621°W / 53.816769; -1.0825621 (Cawood Ings Wistow Lordship)

13,500,000 NA NA
142 Chasewater England Staffordshire SK0360007600

52°39′58″N 1°56′54″W / 52.666103°N 1.9482042°W / 52.666103; -1.9482042 (Chasewater)

3,691,000 1794 1797
108 Cheddar England Somerset ST4410053700

51°16′47″N 2°48′10″W / 51.279686°N 2.8028357°W / 51.279686; -2.8028357 (Cheddar Reservoir)

6,140,000 1933 1938
270 Chelker England North Yorkshire SE0564051600

53°57′38″N 1°54′56″W / 53.960456°N 1.9155302°W / 53.960456; -1.9155302 (Chelker Reservoir)

95,000 NA 1866
164 Chelmarsh England Shropshire SO7340087500

52°29′05″N 2°23′35″W / 52.484765°N 2.3931329°W / 52.484765; -2.3931329 (Chelmarsh Reservoir)

3,063,320 1960 1963
273 Chew Magna England Somerset ST5660063200

51°21′58″N 2°37′29″W / 51.366195°N 2.6247933°W / 51.366195; -2.6247933 (Chew Magna Reservoir)

43,000 1850 1850
47 Chew Valley Lake England Somerset ST5700060000

51°20′15″N 2°37′07″W / 51.337453°N 2.6186602°W / 51.337453; -2.6186602 (Chew Valley Lake)

20,457,000 1939[vi] 1956
111 Chrathaich Scotland Highland NH3640020700

57°14′52″N 4°42′47″W / 57.247645°N 4.7131125°W / 57.247645; -4.7131125 (Chrathaich Reservoir)

5,629,000 1928[vi] 1955[iii]
177 Church Wilne[v] England Derbyshire SK4630032500

52°53′17″N 1°18′48″W / 52.887970°N 1.3133319°W / 52.887970; -1.3133319 (Church Wilne Reservoir)

2,790,000 NA 1972
22 Claerwen Wales Powys SN8550065100

52°16′20″N 3°40′46″W / 52.272093°N 3.6794917°W / 52.272093; -3.6794917 (Claerwen Reservoir)

48,686,000 1892[vi] 1952
116 Clatworthy England Somerset ST0430031400

51°04′26″N 3°22′03″W / 51.073920°N 3.3673742°W / 51.073920; -3.3673742 (Clatworthy Reservoir)

5,364,000 1950 1958
197 Clifton Ings Washlands England North Yorkshire SE5870053100

53°58′14″N 1°06′24″W / 53.970648°N 1.1066274°W / 53.970648; -1.1066274 (Clifton Ings Washlands)

2,300,000 NA NA
34 Colliford Lake England Cornwall SX1790071000

50°30′37″N 4°34′11″W / 50.510401°N 4.5696538°W / 50.510401; -4.5696538 (Colliford Lake)

29,100,000 1976[vi] 1983
127 Colt Crag England Northumberland NY9400078100

55°05′50″N 2°05′44″W / 55.097285°N 2.0955583°W / 55.097285; -2.0955583 (Colt Crag Reservoir)

4,855,000 1863 1884
73 Covenham England Lincolnshire TF3463596017

53°26′37″N 0°01′32″E / 53.443731°N 0.025611218°E / 53.443731; 0.025611218 (Covenham Reservoir)

10,900,000 1963 1978
24 Cow Green England Durham NY8120028900

54°39′17″N 2°17′34″W / 54.654841°N 2.2929079°W / 54.654841; -2.2929079 (Cow Green Reservoir)

40,914,000 1958[iv] 1970
79 Craig Goch Wales Powys SN8960069800

52°18′55″N 3°37′15″W / 52.315169°N 3.6209719°W / 52.315169; -3.6209719 (Craig Goch Reservoir)

9,583,000 1892[iv] 1904
136 Cray Wales Powys SN8850022000

51°53′07″N 3°37′17″W / 51.885373°N 3.6214431°W / 51.885373; -3.6214431 (Cray Reservoir)

4,027,000 1898[v] 1906[v]
186 Cropston England Leicestershire SK5470011000

52°41′38″N 1°11′32″W / 52.693928°N 1.1920904°W / 52.693928; -1.1920904 (Cropston Reservoir)

2,528,000 1865 1870
48 Crowlands Cowbit Washes England Lincolnshire TF2600016500

52°43′53″N 0°08′08″W / 52.731468°N 0.13545822°W / 52.731468; -0.13545822 (Crowlands Cowbit Washes)

20,000,000 NA NA
147 Crummock Water England Cumbria NY1510020800

54°34′31″N 3°18′54″W / 54.575257°N 3.3148907°W / 54.575257; -3.3148907 (Crummock Water)

3,400,000 NA NA
70 Curry Moor Flood Storage Area England Somerset ST3260027000

51°02′18″N 2°57′46″W / 51.038387°N 2.9626802°W / 51.038387; -2.9626802 (Curry Moor Flood Storage Area)

11,283,000 NA NA
44 Daer Scotland South Lanarkshire NS9757507812

55°21′13″N 3°37′01″W / 55.353611°N 3.6169925°W / 55.353611; -3.6169925 (Daer Reservoir)

22,494,000 1948 1956
205 Dale Dyke England South Yorkshire SK2430091700

53°25′18″N 1°38′09″W / 53.421543°N 1.6358144°W / 53.421543; -1.6358144 (Dale Dyke Reservoir)

2,210,000 1853[iv] 1875
118 Damflask England South Yorkshire SK2840090700

53°24′44″N 1°34′27″W / 53.412351°N 1.5742116°W / 53.412351; -1.5742116 (Damflask Reservoir)

5,264,000 1864 1867
130 Darwell[v] England East Sussex TQ7150021200

50°57′53″N 0°26′27″E / 50.964696°N 0.44093306°E / 50.964696; 0.44093306 (Darwell Reservoir)

4,730,000 1937 1949
194 Delph England Greater Manchester SD7030015400

53°38′03″N 2°27′02″W / 53.634273°N 2.4506272°W / 53.634273; -2.4506272 (Delph Reservoir)

2,326,700 1905[i] 1921
80 Derwent England Derbyshire SK1730089800

53°24′17″N 1°44′28″W / 53.404740°N 1.7412482°W / 53.404740; -1.7412482 (Derwent Reservoir (Derbyshire))

9,470,000 1899[iv] 1916
19 Derwent Reservoir England County Durham NZ0250051400

54°51′27″N 1°57′45″W / 54.857386°N 1.9625840°W / 54.857386; -1.9625840 (Derwent Reservoir (Durham))

50,060,000 1950[vi] 1966
157 Digley England West Yorkshire SE1100007000

53°33′34″N 1°50′07″W / 53.559507°N 1.8354124°W / 53.559507; -1.8354124 (Digley Reservoir)

3,260,000 1937[iv] 1954
258 Doe Park England West Yorkshire SE0780034200

53°48′15″N 1°52′59″W / 53.804041°N 1.8830465°W / 53.804041; -1.8830465 (Doe Park Reservoir)

422,000 1857 1862
266 Donolly Reservoir Scotland East Lothian NT5780068700

55°54′34″N 2°40′36″W / 55.909541°N 2.6766156°W / 55.909541; -2.6766156 (Donolly Reservoir)

209,000 NA NA
123 Dovestone England Greater Manchester SE0160003600

53°31′45″N 1°58′38″W / 53.529058°N 1.9773335°W / 53.529058; -1.9773335 (Dovestone Reservoir)

5,048,000 1958[iv] 1966
43 Draycote Water England Warwickshire SP4600070000

52°19′34″N 1°19′35″W / 52.326175°N 1.3264618°W / 52.326175; -1.3264618 (Draycote Water)

22,730,000 1965[vi] 1969
42 East Ings and Wood Holmes Washland Reservoir England North Yorkshire SE5230024300

53°42′45″N 1°12′33″W / 53.712507°N 1.2090737°W / 53.712507; -1.2090737 (East Ings and Wood Holmes Washland Reservoir)

23,700,000 NA NA
251 East Warwick England Greater London TQ3480088500

51°34′45″N 0°03′22″W / 51.579250°N 0.055985047°W / 51.579250; -0.055985047 (East Warwick Reservoir)

742,000 1853[iv] 1900[v]
103 Eccup England West Yorkshire SE3080041800

53°52′17″N 1°31′59″W / 53.871498°N 1.5330645°W / 53.871498; -1.5330645 (Eccup Reservoir)

6,410,000 1885 1897
153 Eglwys Nunydd Wales Neath Port Talbot SS7920085500

51°33′19″N 3°44′38″W / 51.555411°N 3.7438321°W / 51.555411; -3.7438321 (Eglwys Nunydd Reservoir)

3,311,000 1957[v] 1963
148 Ennerdale Water England Cumbria NY0890015300

54°31′29″N 3°24′33″W / 54.524765°N 3.4090669°W / 54.524765; -3.4090669 (Ennerdale Water)

3,400,000 1902 1902
145 Entwistle England Blackburn with Darwen SD7200017500

53°39′12″N 2°25′30″W / 53.653241°N 2.4251088°W / 53.653241; -2.4251088 (Entwistle Reservoir)

3,464,000 1832 1838[v]
134 Errwood England Derbyshire SK0140075200

53°16′26″N 1°58′50″W / 53.273783°N 1.9804662°W / 53.273783; -1.9804662 (Errwood Reservoir)

4,216,000 1930[iv] 1967
90 Eyebrook England Leicestershire SP8480094700

52°32′37″N 0°45′04″W / 52.543560°N 0.75099918°W / 52.543560; -0.75099918 (Eyebrook Reservoir)

8,096,000 1937 1940
187 Farmoor No. 1 England Oxfordshire SP4450006800

51°45′29″N 1°21′24″W / 51.758126°N 1.3566759°W / 51.758126; -1.3566759 (Farmoor No. 1 Reservoir)

2,505,000 1962 1967
122 Farmoor No. 2 England Oxfordshire SP4450006000

51°45′03″N 1°21′24″W / 51.750934°N 1.3567780°W / 51.750934; -1.3567780 (Farmoor No. 2 Reservoir)

5,055,000 1962 1977
125 Fernilee England Derbyshire SK0130077700

53°17′47″N 1°58′55″W / 53.296255°N 1.9819564°W / 53.296255; -1.9819564 (Fernilee Reservoir)

4,944,000 1930[iv] 1938
237 Fernworthy England Devon SX6710084300

50°38′35″N 3°52′52″W / 50.643190°N 3.8809759°W / 50.643190; -3.8809759 (Fernworthy Reservoir)

1,727,300 1934 1942
141 Fewston England North Yorkshire SE1870054100

53°58′57″N 1°42′59″W / 53.982621°N 1.7163354°W / 53.982621; -1.7163354 (Fewston Reservoir)

3,845,000 1874 1879
231 Ffynnon Llugwy Wales Conwy SH6920062400

53°08′34″N 3°57′25″W / 53.142643°N 3.9569822°W / 53.142643; -3.9569822 (Ffynnon Llugwy Reservoir)

1,776,000 1915 1926
174 Fiddler's Ferry P.S. Ash Lagoon D England Cheshire SJ5520085500

53°21′52″N 2°40′29″W / 53.364460°N 2.6746880°W / 53.364460; -2.6746880 (Fiddler's Ferry P.S. Ash Lagoon D)

2,900,000 NA NA
154 Fontburn England Northumberland NZ0450093500

55°14′08″N 1°55′51″W / 55.235687°N 1.9307831°W / 55.235687; -1.9307831 (Fontburn Reservoir)

3,279,000 1898[iv] 1903
64 Foremark England Derbyshire SK3290024400

52°48′58″N 1°30′48″W / 52.816142°N 1.5132885°W / 52.816142; -1.5132885 (Foremark Reservoir)

13,193,490 1966 1977
76 Fruid Scotland Scottish Borders NT0968919217

55°27′30″N 3°25′47″W / 55.458437°N 3.4296968°W / 55.458437; -3.4296968 (Fruid Reservoir)

10,438,000 1953[vi] 1968
82 Garreg Ddu Wales Powys SN9110063900

52°15′45″N 3°35′49″W / 52.262447°N 3.5970679°W / 52.262447; -3.5970679 (Garreg Ddu Reservoir)

9,222,000[2] 1892[iv] 1904
89 Gladhouse Scotland Midlothian NT2977853599

55°46′14″N 3°07′15″W / 55.770608°N 3.1208736°W / 55.770608; -3.1208736 (Gladhouse Reservoir)

8,133,000 NA 1879
84 Glen Finglas Scotland Stirling NN5241009260

56°15′10″N 4°23′02″W / 56.252852°N 4.3838037°W / 56.252852; -4.3838037 (Glen Finglas Reservoir)

9,043,000 1911 1965
243 Glencorse Scotland Midlothian NT2164763897

55°51′43″N 3°15′12″W / 55.861862°N 3.2534157°W / 55.861862; -3.2534157 (Glencorse Reservoir)

1,673,000 1819 1824
236 Gorple Upper England West Yorkshire SD9240031400

53°46′44″N 2°07′01″W / 53.778874°N 2.1168095°W / 53.778874; -2.1168095 (Gorple Upper Reservoir)

1,731,000 1928 1934
110 Gouthwaite England North Yorkshire SE1300069000

54°07′00″N 1°48′09″W / 54.116708°N 1.8026204°W / 54.116708; -1.8026204 (Gouthwaite Reservoir)

5,810,789 1893 1901
17 Grafham Water[v] England Cambridgeshire TL1700067000

52°17′19″N 0°17′10″W / 52.288689°N 0.28606805°W / 52.288689; -0.28606805 (Grafham Water)

55,490,000 1961[vi] 1965
109 Grassholme England County Durham NY9380022400

54°35′48″N 2°05′51″W / 54.596742°N 2.0974750°W / 54.596742; -2.0974750 (Grassholme Reservoir)

6,060,000 1876[iv] 1915
146 Greenbooth England Greater Manchester SD8530015200

53°37′59″N 2°13′26″W / 53.633114°N 2.2237757°W / 53.633114; -2.2237757 (Greenbooth Reservoir)

3,405,000 1958 1962
45 Grimwith England North Yorkshire SE0600064200

54°04′25″N 1°54′35″W / 54.073696°N 1.9097996°W / 54.073696; -1.9097996 (Grimwith Reservoir)

22,200,000 1856[vi] 1864
163 Hallington East England Northumberland NY9730076300

55°04′52″N 2°02′38″W / 55.081140°N 2.0438290°W / 55.081140; -2.0438290 (Hallington East Reservoir)

3,116,740 1863 1872
149 Hallington West England Northumberland NY9650076000

55°04′42″N 2°03′23″W / 55.078439°N 2.0563562°W / 55.078439; -2.0563562 (Hallington West Reservoir)

3,380,000 1876 1890
272 Hampton - Sunnyside England Greater London TQ1270069000

51°24′32″N 0°22′52″W / 51.408835°N 0.38099829°W / 51.408835; -0.38099829 (Hampton - Sunnyside Reservoir)

71,000 1852[iv] 1855
36 Hanningfield England Essex TQ7330098400

51°39′28″N 0°30′14″E / 51.657668°N 0.50402549°E / 51.657668; 0.50402549 (Hanningfield Reservoir)

27,721,000 1949[vi] 1957
13 Haweswater England Cumbria NY5000015500

54°31′56″N 2°46′27″W / 54.532294°N 2.7741697°W / 54.532294; -2.7741697 (Haweswater Reservoir)

84,840,000 1880[vi] 1935
176 Heaton Park England Greater Manchester SD8250004700

53°32′19″N 2°15′56″W / 53.538652°N 2.2655256°W / 53.538652; -2.2655256 (Heaton Park Reservoir)

2,800,000 1954 1955
263 Hewenden England West Yorkshire SE0740035600

53°49′00″N 1°53′21″W / 53.816630°N 1.8890870°W / 53.816630; -1.8890870 (Hewenden Reservoir)

252,000 1842 1846
254 High Maynard England Greater London TQ3550089600

51°35′20″N 0°02′44″W / 51.588967°N 0.045464928°W / 51.588967; -0.045464928 (High Maynard Reservoir)

659,000 1867[iv][v] 1870[v]
181 Hilfield Park[v] England Hertfordshire TQ1570096000

51°39′03″N 0°19′44″W / 51.650897°N 0.32902291°W / 51.650897; -0.32902291 (Hilfield Park Reservoir)

2,728,000 NA 1955
189 Hollingworth Lake England Greater Manchester SD9350015300

53°38′03″N 2°05′59″W / 53.634181°N 2.0997734°W / 53.634181; -2.0997734 (Hollingworth Lake)

2,468,000 1794 1800
213 Hollowell England Northamptonshire SP6900072400

52°20′43″N 0°59′19″W / 52.345343°N 0.98853688°W / 52.345343; -0.98853688 (Hollowell Reservoir)

2,064,000 1936 1939
256 Hopes Scotland East Lothian NT5470062100

55°51′00″N 2°43′30″W / 55.849963°N 2.7250932°W / 55.849963; -2.7250932 (Hopes Reservoir)

600,000 NA 1933
85 Howden England Derbyshire SK1700092500

53°25′44″N 1°44′44″W / 53.429018°N 1.7456160°W / 53.429018; -1.7456160 (Howden Reservoir)

8,990,000 1899[iv] 1916
139 Hury England County Durham NY9650019600

54°34′18″N 2°03′20″W / 54.571606°N 2.0556516°W / 54.571606; -2.0556516 (Hury Reservoir)

3,905,000 1876[iv] 1894
137 Island Barn England Surrey TQ1390067000

51°23′26″N 0°21′52″W / 51.390619°N 0.36439363°W / 51.390619; -0.36439363 (Island Barn Reservoir)

4,011,000 1900[iv] 1911
215 Jumbles England Greater Manchester SD7350013900

53°37′15″N 2°24′08″W / 53.620963°N 2.4021067°W / 53.620963; -2.4021067 (Jumbles Reservoir)

2,050,000 1971 1971
61 Kellington Ings Reservoir England North Yorkshire SE5910024500

53°42′49″N 1°06′22″W / 53.713581°N 1.1060210°W / 53.713581; -1.1060210 (Kellington Ings Reservoir)

14,400,000 NA NA
6 Kielder England Northumberland NY7080087500

55°10′51″N 2°27′36″W / 55.180922°N 2.4600692°W / 55.180922; -2.4600692 (Kielder Reservoir)

199,000,000 1971[vi] 1981
159 Killington England Cumbria SD5900091000

54°18′47″N 2°37′54″W / 54.312936°N 2.6317055°W / 54.312936; -2.6317055 (Killington Reservoir)

3,238,210 1817 1819
217 Kinder England Derbyshire SK0585088190

53°23′26″N 1°54′49″W / 53.390517°N 1.9135015°W / 53.390517; -1.9135015 (Kinder Reservoir)

2,028,000 1899[iv] 1912
72 King George V England Greater London TQ3740096500

51°39′02″N 0°00′55″W / 51.650510°N 0.015352701°W / 51.650510; -0.015352701 (King George V Reservoir)

10,981,000 1893 1912
51 King George VI England Surrey TQ0410073200

51°26′54″N 0°30′12″W / 51.448229°N 0.50336831°W / 51.448229; -0.50336831 (King George VI Reservoir)

18,732,000 1936 1947
35 Ladybower England Derbyshire SK2000085500

53°21′58″N 1°42′03″W / 53.365994°N 1.7009077°W / 53.365994; -1.7009077 (Ladybower Reservoir)

27,800,000 1920[iv] 1943
222 Lamaload England Cheshire SJ9710075300

53°16′29″N 2°02′42″W / 53.274675°N 2.0449474°W / 53.274675; -2.0449474 (Lamaload Reservoir)

1,932,000 1958 1963
104 Langsett England South Yorkshire SE2140000200

53°29′53″N 1°40′44″W / 53.498069°N 1.6788755°W / 53.498069; -1.6788755 (Langsett Reservoir)

6,401,000 1897 1904
259 Leeming England West Yorkshire SE0380034400

53°48′21″N 1°56′38″W / 53.805882°N 1.9437800°W / 53.805882; -1.9437800 (Leeming Reservoir)

408,000 1872 1878
113 Leigh Barrier (Medway) FSR England Kent TQ5650046300

51°11′40″N 0°14′18″E / 51.194493°N 0.23836213°E / 51.194493; 0.23836213 (Leigh Barrier (Medway) FSR)

5,580,000 1976[iv] 1982
128 Leighton England North Yorkshire SE1620078800

54°12′17″N 1°45′11″W / 54.204694°N 1.7531441°W / 54.204694; -1.7531441 (Leighton Reservoir)

4,780,000 1908 1926
165 Lindley Wood England North Yorkshire SE2150049300

53°56′22″N 1°40′26″W / 53.939372°N 1.6739758°W / 53.939372; -1.6739758 (Lindley Wood Reservoir)

3,045,000 1870 1874
167 Linton Ings England North Yorkshire SE4840060400

54°02′14″N 1°15′45″W / 54.037317°N 1.2624729°W / 54.037317; -1.2624729 (Linton Ings Reservoir)

3,000,000 NA NA
238 Little Swinburne England Northumberland NY9450077200

55°05′21″N 2°05′16″W / 55.089204°N 2.0877054°W / 55.089204; -2.0877054 (Little Swinburne Reservoir)

1,721,000 1863 1879
41 Llandegfedd Wales Monmouhtshire / Torfaen ST3260098500

51°40′52″N 2°58′35″W / 51.681200°N 2.9762550°W / 51.681200; -2.9762550 (Llandegfedd Reservoir)

24,492,000 1957[vi] 1964
121 Llwyn-On Wales Rhondda Cynon Taf SO0110011400

51°47′33″N 3°26′07″W / 51.792479°N 3.4354039°W / 51.792479; -3.4354039 (Llwyn-On Reservoir)

5,066,000 1884[iv] 1926
95 Llyn Alaw Wales Gwynedd SH3740085400

53°20′26″N 4°26′37″W / 53.340440°N 4.4437297°W / 53.340440; -4.4437297 (Llyn Alaw Reservoir)

7,400,000 1961 1965
230 Llyn Aled[v] Wales Conwy SH9160057900

53°06′26″N 3°37′15″W / 53.107241°N 3.6207301°W / 53.107241; -3.6207301 (Llyn Aled Reservoir)

1,777,000 NA 1934
93 Llyn Arenig Fawr Wales Gwynedd SH8500037900

52°55′34″N 3°42′44″W / 52.926156°N 3.7121426°W / 52.926156; -3.7121426 (Llyn Arenig Fawr Reservoir)

7,488,000 NA 1830
18 Llyn Brenig Wales Conwy / Denbighshire SH9770054300

53°04′34″N 3°31′43″W / 53.076098°N 3.5284979°W / 53.076098; -3.5284979 (Llyn Brenig Reservoir)

54,273,000 1973[vi] 1979
30 Llyn Brianne Wales Powys SN7910048500

52°07′18″N 3°46′02″W / 52.121552°N 3.7673117°W / 52.121552; -3.7673117 (Llyn Brianne Reservoir)

32,882,000 1967[vi] 1972
23 Llyn Celyn Wales Gwynedd SH8592140424

52°56′57″N 3°41′58″W / 52.949031°N 3.6993374°W / 52.949031; -3.6993374 (Llyn Celyn Reservoir)

40,959,000 1957[vi] 1965
21 Clywedog Reservoir (Llyn Clywedog) Wales Powys SN8980088500

52°29′00″N 3°37′27″W / 52.483257°N 3.6242003°W / 52.483257; -3.6242003 (Clywedog Reservoir)

48,828,000 1963[vi] 1967
81 Llyn Cowlyd Wales Conwy SH7380063400

53°09′10″N 3°53′19″W / 53.152737°N 3.8886457°W / 53.152737; -3.8886457 (Llyn Cowlyd Reservoir)

9,432,000 1891[iv] 1897
241 Llyn Cwellyn[v] Wales Gwynedd SH5540055600

53°04′41″N 4°09′36″W / 53.077993°N 4.1600815°W / 53.077993; -4.1600815 (Llyn Cwellyn Reservoir)

1,687,000 NA 1976
173 Llyn Cwmystradllyn[v] Wales Gwynedd SH5620044300

52°58′36″N 4°08′35″W / 52.976703°N 4.1431080°W / 52.976703; -4.1431080 (Llyn Cwmystradllyn Reservoir)

2,902,000 1959 1959
226 Llyn Peris Wales Gwynedd SH5870059900

53°07′03″N 4°06′46″W / 53.117503°N 4.1127477°W / 53.117503; -4.1127477 (Llyn Peris Reservoir)

1,870,000 1973 1979
250 Llyn Stwlan Wales Gwynedd SH6660044400

52°58′49″N 3°59′18″W / 52.980292°N 3.9883645°W / 52.980292; -3.9883645 (Llyn Stwlan Reservoir)

747,000 1952[vi] 1963
11 Bala Lake (Llyn Tegid) Wales Gwynedd SH9290035000

52°54′06″N 3°35′37″W / 52.901732°N 3.5937195°W / 52.901732; -3.5937195 (Llyn Tegid (Bala Lake) Reservoir)

106,751,000 1803 1804
40 Llyn Trawsfynydd Wales Gwynedd SH6940038200

52°55′31″N 3°56′39″W / 52.925281°N 3.9441860°W / 52.925281; -3.9441860 (Llyn Trawsfynydd Reservoir)

26,108,000 1924[v] 1928
140 Loch Achonachie Scotland Highland NH4460054600

57°33′17″N 4°35′56″W / 57.554706°N 4.5988314°W / 57.554706; -4.5988314 (Loch Achonachie Reservoir)

3,873,000 1943[ii] 1954[iii]
37 Loch an Diamh Scotland Perth and Kinross NN5086746354

56°35′07″N 4°25′47″W / 56.585328°N 4.4298309°W / 56.585328; -4.4298309 (Loch an Diamh Reservoir)

27,052,000 1953[vi] 1959[iii]
57 Loch Arklet Scotland Stirling NN3778009120

56°14′49″N 4°37′11″W / 56.246825°N 4.6195911°W / 56.246825; -4.6195911 (Loch Arklet Reservoir)

16,286,000 1902 1914
54 Loch Bradan Scotland South Ayrshire NX4205297297

55°14′40″N 4°29′10″W / 55.244500°N 4.4860239°W / 55.244500; -4.4860239 (Loch Bradan Reservoir)

17,475,000 1908[iv] 1912
105 Loch Drunkie Scotland Stirling NN5425004390

56°12′35″N 4°21′05″W / 56.209704°N 4.3514522°W / 56.209704; -4.3514522 (Loch Drunkie Reservoir)

6,346,000 1854 1864
4 Loch Earn Scotland Perth and Kinross NN6990024200

56°23′32″N 4°06′33″W / 56.392099°N 4.1091174°W / 56.392099; -4.1091174 (Loch Earn Reservoir)

397,630,000 1943[ii] 1958[iii]
190 Loch Eigheach Gaur Scotland Perth and Kinross NN4610056900

56°40′42″N 4°30′49″W / 56.678440°N 4.5136547°W / 56.678440; -4.5136547 (Loch Eigheach Gaur Reservoir)

2,461,000 1943[ii] 1953[iii]
1 Loch Ericht Scotland Perth and Kinross NN5080062700

56°43′55″N 4°26′25″W / 56.732022°N 4.4403880°W / 56.732022; -4.4403880 (Loch Ericht Reservoir)

1,291,596,000 1912[vi] 1962[iii]
8 Loch Garry Scotland Highland NH2760002100

57°04′39″N 4°50′45″W / 57.077537°N 4.8459025°W / 57.077537; -4.8459025 (Loch Garry Reservoir)

163,272,000 1943[ii] 1956[iii]
249 Loch Gleann A'Bhearraidh Scotland Argyll and Bute NM8446426911

56°23′07″N 5°29′35″W / 56.385184°N 5.4930136°W / 56.385184; -5.4930136 (Loch Gleann A'Bhearraidh Reservoir)

774,000 1939 1939
2 Loch Katrine Scotland Stirling NN4433509530

56°15′10″N 4°30′51″W / 56.252698°N 4.5141613°W / 56.252698; -4.5141613 (Loch Katrine Reservoir)

804,704,000 1848 1859
49 Loch Loyne Scotland Highland NH2010007900

57°07′36″N 4°58′25″W / 57.126700°N 4.9736204°W / 57.126700; -4.9736204 (Loch Loyne Reservoir)

19,859,000 1938[vi] 1957[iii]
9 Loch Luichart Scotland Highland NH3650061500

57°36′50″N 4°44′19″W / 57.613757°N 4.7386845°W / 57.613757; -4.7386845 (Loch Luichart Reservoir)

128,124,000 1943[ii] 1954[iii]
16 Loch Lyon Scotland Perth and Kinross NN4520041700

56°32′30″N 4°31′09″W / 56.541721°N 4.5192239°W / 56.541721; -4.5192239 (Loch Lyon Reservoir)

59,270,000 1951[vi] 1958[iii]
58 Loch Nant Scotland Argyll and Bute NN0030024900

56°22′27″N 5°14′08″W / 56.374101°N 5.2354396°W / 56.374101; -5.2354396 (Loch Nant Reservoir)

15,464,000 1959[vi] 1963[iii]
3 Loch Quoich Scotland Highland NH0710002300

57°04′16″N 5°11′01″W / 57.071201°N 5.1837051°W / 57.071201; -5.1837051 (Loch Quoich Reservoir)

556,677,000 1928[vi] 1955[iii]
260 Loch Spey Scotland Highland NN5810093700

57°00′45″N 4°20′19″W / 57.012555°N 4.3384944°W / 57.012555; -4.3384944 (Loch Spey Reservoir)

356,000 1918[iv] 1938
86 Loch Thom Scotland Renfrewshire NS2594872193

55°54′41″N 4°47′11″W / 55.911261°N 4.7862577°W / 55.911261; -4.7862577 (Loch Thom Reservoir)

8,668,000 1824 1827
65 Loch Vaich Scotland Highland NH3460074900

57°44′00″N 4°46′47″W / 57.733285°N 4.7796402°W / 57.733285; -4.7796402 (Loch Vaich Reservoir)

12,388,000 1943[ii] 1957[iii]
20 Loch Venachar Scotland Stirling NN5743905550

56°13′16″N 4°18′03″W / 56.221084°N 4.3007086°W / 56.221084; -4.3007086 (Loch Venachar Reservoir)

49,358,000 1854 1857
211 Lockwood England Greater London TQ3530090200

51°35′40″N 0°02′53″W / 51.594407°N 0.048118991°W / 51.594407; -0.048118991 (Lockwood Reservoir)

2,106,000 1893[iv] 1903
257 Loganlea Scotland Midlothian NT1944262397

55°50′53″N 3°17′17″W / 55.848025°N 3.2881891°W / 55.848025; -3.2881891 (Loganlea Reservoir)

532,000 1847 1851
271 Low Maynard England Greater London TQ3550089600

51°35′20″N 0°02′44″W / 51.588967°N 0.045464928°W / 51.588967; -0.045464928 (Low Maynard Reservoir)

80,000 1867[iv][v] 1870[v]
124 Marchlyn Mawr Wales Gwynedd SH6170062200

53°08′20″N 4°04′08″W / 53.138951°N 4.0689468°W / 53.138951; -4.0689468 (Marchlyn Mawr Reservoir)

5,017,000 1973 1979
14 Megget Scotland Scottish Borders NT1925822198

55°29′13″N 3°16′45″W / 55.486890°N 3.2792883°W / 55.486890; -3.2792883 (Megget Reservoir)

63,722,000 1963 1983
162 Meldon England Devon SX5630091600

50°42′22″N 4°02′11″W / 50.706230°N 4.0364604°W / 50.706230; -4.0364604 (Meldon Reservoir)

3,170,000 1962[vi] 1972
245 Mickletown Washland England West Yorkshire SE4150027100

53°44′19″N 1°22′20″W / 53.738640°N 1.3723192°W / 53.738640; -1.3723192 (Mickletown Washland Reservoir)

1,655,000 NA NA
227 Midhope England South Yorkshire SK2230099400

53°29′27″N 1°39′55″W / 53.490841°N 1.6653653°W / 53.490841; -1.6653653 (Midhope Reservoir)

1,859,000 1895 1903
244 Misson East FSA England Nottinghamshire SK7090094900

53°26′46″N 0°56′02″W / 53.446107°N 0.93397635°W / 53.446107; -0.93397635 (Misson East FSA)

1,670,000 NA NA
233 Misson West FSA England Nottinghamshire SK6850094000

53°26′18″N 0°58′13″W / 53.438336°N 0.97030047°W / 53.438336; -0.97030047 (Misson West FSA)

1,750,000 NA NA
207 More Hall England South Yorkshire SK2870095800

53°27′29″N 1°34′09″W / 53.458175°N 1.5692355°W / 53.458175; -1.5692355 (More Hall Reservoir)

2,172,989 1867 1929
7 Mullardoch Scotland Highland NH2220031300

57°20′15″N 4°57′21″W / 57.337439°N 4.9557405°W / 57.337439; -4.9557405 (Mullardoch Reservoir)

165,226,000 1943[ii] 1951
39 Nant-y-Moch Wales Ceredigion SN7540086200

52°27′34″N 3°50′07″W / 52.459490°N 3.8352785°W / 52.459490; -3.8352785 (Nant-y-Moch Reservoir)

26,292,000 1955[iv] 1964
193 Northampton Washlands England West Northamptonshire SP7950060200

52°14′03″N 0°50′14″W / 52.234265°N 0.83730834°W / 52.234265; -0.83730834 (Northampton Washlands)

2,340,000 NA NA
107 Ogston England Derbyshire SK3780059900

53°08′06″N 1°26′11″W / 53.134923°N 1.4364542°W / 53.134923; -1.4364542 (Ogston Reservoir)

6,180,000 1953[iv] 1958
198 Oldbury Power Station England Gloucestershire ST6000095000

51°39′08″N 2°34′46″W / 51.652358°N 2.5795759°W / 51.652358; -2.5795759 (Oldbury Power Station Reservoir)

2,300,000 NA NA
12 Ouse Washes England Cambridgeshire TL5000089000

52°28′42″N 0°12′26″E / 52.478317°N 0.20724239°E / 52.478317; 0.20724239 (Ouse Washes Reservoir)

90,000,000 NA 1652
114 Penygarreg Wales Powys SN9030067400

52°17′37″N 3°36′36″W / 52.293742°N 3.6099246°W / 52.293742; -3.6099246 (Penygarreg Reservoir)

5,558,000 1892[iv] 1904
53 Pitsford England Northamptonshire SP7550068900

52°18′47″N 0°53′38″W / 52.313028°N 0.89392331°W / 52.313028; -0.89392331 (Pitsford Reservoir)

17,545,000 1946 1955
74 Pontsticill (Taf Fechan) Wales Merthyr Tydfil / Powys SO0610011800

51°47′49″N 3°21′47″W / 51.796937°N 3.3630375°W / 51.796937; -3.3630375 (Pontsticill (Taf Fechan) Reservoir)

10,717,000 1921[vi] 1927
55 Queen Elizabeth II England Surrey TQ1180067100

51°23′31″N 0°23′40″W / 51.391935°N 0.39453096°W / 51.391935; -0.39453096 (Queen Elizabeth II Reservoir)

16,809,000 1935 1967
33 Queen Mary England Surrey TQ0730069700

51°24′58″N 0°27′30″W / 51.416173°N 0.45839646°W / 51.416173; -0.45839646 (Queen Mary Reservoir)

30,363,000 1911[vi] 1925
31 Queen Mother England Berkshire TQ0090076800

51°28′52″N 0°32′54″W / 51.481166°N 0.54837454°W / 51.481166; -0.54837454 (Queen Mother Reservoir)

31,492,000 1945[vi] 1976
225 Ravensthorpe England West Northamptonshire SP6810070400

52°19′39″N 1°00′08″W / 52.327477°N 1.0021509°W / 52.327477; -1.0021509 (Ravensthorpe Reservoir)

1,884,000 1880 1890
200 Rhodeswood England Derbyshire SK0440098200

53°28′50″N 1°56′07″W / 53.480505°N 1.9351681°W / 53.480505; -1.9351681 (Rhodeswood Reservoir)

2,273,000 1848 1855
262 River Shin Scotland Highland NC5820005100

58°00′45″N 4°24′06″W / 58.012378°N 4.4016958°W / 58.012378; -4.4016958 (River Shin Reservoir)

316,000 1954[vi] 1958[iii]
161 River Till Controlled Washland England Nottinghamshire SK7030077500

53°17′23″N 0°56′49″W / 53.289812°N 0.94687140°W / 53.289812; -0.94687140 (River Till Controlled Washland)

3,200,000 1977 1990
106 River Witham Flood Washlands England Lincolnshire SK9520063800

53°09′46″N 0°34′39″W / 53.162822°N 0.57753531°W / 53.162822; -0.57753531 (River Witham Flood Washlands)

6,300,000 NA NA
100 Rivington Lower England Lancashire SD6300012400

53°36′25″N 2°33′38″W / 53.606843°N 2.5606621°W / 53.606843; -2.5606621 (Rivington Lower)

6,516,000 1850 1857
27 Roadford England Devon SX4200090000

50°41′17″N 4°14′17″W / 50.688140°N 4.2381365°W / 50.688140; -4.2381365 (Roadford Reservoir)

36,910,000 1976[vi] 1989
188 Roundhill England North Yorkshire SE1500077200

54°11′25″N 1°46′18″W / 54.190351°N 1.7716197°W / 54.190351; -1.7716197 (Roundhill Reservoir)

2,503,000 NA 1910
170 Rudyard England Staffordshire SJ9450059600

53°08′01″N 2°05′01″W / 53.133529°N 2.0836602°W / 53.133529; -2.0836602 (Rudyard Reservoir)

2,949,700 NA 1796
10 Rutland Water England Rutland SK9440008000

52°39′41″N 0°36′20″W / 52.661511°N 0.60569370°W / 52.661511; -0.60569370 (Rutland Water)

124,000,000 1968[vi] 1976
242 Scaling England North Yorkshire NZ7490012800

54°30′18″N 0°50′41″W / 54.504993°N 0.84482832°W / 54.504993; -0.84482832 (Scaling Reservoir)

1,682,000 1946 1958
91 Scammonden England West Yorkshire SE0530016700

53°38′48″N 1°55′17″W / 53.646781°N 1.9212997°W / 53.646781; -1.9212997 (Scammonden Reservoir)

7,873,000 1965 1969
77 Scar House England North Yorkshire SE0580076900

54°11′16″N 1°54′45″W / 54.187839°N 1.9126169°W / 54.187839; -1.9126169 (Scar House Reservoir)

10,069,000 1921 1936
171 Seathwaite Tarn England Cumbria SD2500098600

54°22′38″N 3°09′22″W / 54.377355°N 3.1561370°W / 54.377355; -3.1561370 (Seathwaite Tarn Reservoir)

2,945,000 1900 1907
59 Selset England County Durham NY9180021100

54°35′06″N 2°07′42″W / 54.585031°N 2.1283928°W / 54.585031; -2.1283928 (Selset Reservoir)

15,320,000 1955 1960
223 Shustoke Lower England Warwickshire SP2280091200

52°31′06″N 1°39′56″W / 52.518210°N 1.6654290°W / 52.518210; -1.6654290 (Shustoke Lower Reservoir)

1,921,000 1870[iv] 1884
150 Siblyback England Cornwall SX2320070300

50°30′21″N 4°29′41″W / 50.505737°N 4.4946487°W / 50.505737; -4.4946487 (Siblyback Reservoir)

3,364,000 1965 1969
62 Silent Valley Northern Ireland County Down SB3865978967

54°08′24″N 6°00′10″W / 54.139876°N 6.0027439°W / 54.139876; -6.0027439 (Silent Valley Reservoir)

13,638,270 1910 1933
97 Staines North England Surrey TQ0500073600

51°27′06″N 0°29′25″W / 51.451658°N 0.49030334°W / 51.451658; -0.49030334 (Staines North Reservoir)

6,940,000 1898[iv] 1902
94 Staines South England Surrey TQ0500072500

51°26′30″N 0°29′26″W / 51.441771°N 0.49062937°W / 51.441771; -0.49062937 (Staines South Reservoir)

7,469,000 1898[iv] 1902
99 Staunton Harold England Derbyshire SK3767923473

52°48′27″N 1°26′33″W / 52.807498°N 1.4424902°W / 52.807498; -1.4424902 (Staunton Harold Reservoir)

6,655,000 1958[vi] 1964
115 Stithians England Cornwall SW7190036400

50°11′01″N 5°11′47″W / 50.183607°N 5.1965073°W / 50.183607; -5.1965073 (Stithians Reservoir)

5,420,000 1955[vi] 1967
68 Stocks England Lancashire SD7200054600

53°59′12″N 2°25′43″W / 53.986684°N 2.4284992°W / 53.986684; -2.4284992 (Stocks Reservoir)

11,800,000 1910 1932
203 Strines England South Yorkshire SK2320090500

53°24′39″N 1°39′09″W / 53.410806°N 1.6524541°W / 53.410806; -1.6524541 (Strines Reservoir)

2,239,000 1853[iv] 1869
184 Sutton Bingham England Somerset ST5540011400

50°54′01″N 2°38′08″W / 50.900343°N 2.6356000°W / 50.900343; -2.6356000 (Sutton Bingham Reservoir)

2,600,000 1952 1955
138 Swinsty England North Yorkshire SE1960053400

53°58′35″N 1°42′10″W / 53.976296°N 1.7026564°W / 53.976296; -1.7026564 (Swinsty Reservoir)

3,936,000 1871 1877
204 Swithland England Leicestershire SK5570014800

52°43′41″N 1°10′36″W / 52.727983°N 1.1766534°W / 52.727983; -1.1766534 (Swithland Reservoir)

2,227,540 1890 1896
180 "Tadcaster, Hackenby, North Ings and Cock Beck" England North Yorkshire SE4950042000

53°52′19″N 1°14′55″W / 53.871853°N 1.2486563°W / 53.871853; -1.2486563 (Tadcaster, Hackenby, North Ings and Cock Beck Reservoir)

2,748,750 NA NA
66 Talla Scotland Scottish Borders NT1171721532

55°28′47″N 3°23′54″W / 55.479603°N 3.3983738°W / 55.479603; -3.3983738 (Talla Reservoir)

12,020,000 1897 1905
67 Talybont Wales Powys SO1060020500

51°52′33″N 3°18′00″W / 51.875877°N 3.3000529°W / 51.875877; -3.3000529 (Talybont Reservoir)

11,921,000 1930 1939
221 Tanygrisiau Wales Gwynedd SH6830044700

52°59′00″N 3°57′47″W / 52.983408°N 3.9631826°W / 52.983408; -3.9631826 (Tanygrisiau Reservoir)

1,970,000 1952[vi] 1963
25 Thirlmere England Cumbria NY3100019000

54°33′41″N 3°04′07″W / 54.561506°N 3.0685524°W / 54.561506; -3.0685524 (Thirlmere Reservoir)

40,714,000 1879[vi] 1894
92 Thruscross England North Yorkshire SE1520057800

54°00′58″N 1°46′10″W / 54.015989°N 1.7695224°W / 54.015989; -1.7695224 (Thruscross Reservoir)

7,800,000 1955[vi] 1966
101 Tittesworth England Staffordshire SJ9930058700

53°07′32″N 2°00′43″W / 53.125468°N 2.0119145°W / 53.125468; -2.0119145 (Tittesworth Reservoir)

6,440,000 1858 1858
98 Torside England Derbyshire SK0560098300

53°28′53″N 1°55′02″W / 53.481393°N 1.9170845°W / 53.481393; -1.9170845 (Torside Reservoir)

6,700,000 1848 1864
192 Tunstall England County Durham NZ0650040800

54°45′44″N 1°54′02″W / 54.762095°N 1.9005097°W / 54.762095; -1.9005097 (Tunstall Reservoir)

2,360,000 1873 1879
169 Underbank England South Yorkshire SK2530099200

53°29′20″N 1°37′13″W / 53.488908°N 1.6201667°W / 53.488908; -1.6201667 (Underbank Reservoir)

2,955,000 1897 1904
71 Usk Wales Carmarthenshire / Powys SN8217428549

51°56′35″N 3°42′56″W / 51.942925°N 3.7155557°W / 51.942925; -3.7155557 (Usk Reservoir)

11,235,000 1950 1955
182 Vale House England Derbyshire SK0326097420

53°28′25″N 1°57′08″W / 53.473502°N 1.9523536°W / 53.473502; -1.9523536 (Vale House Reservoir)

2,688,000 1848 1870
15 Vyrnwy Wales Powys SJ0180019300

52°45′44″N 3°27′24″W / 52.762346°N 3.4567214°W / 52.762346; -3.4567214 (Vyrnwy Reservoir)

59,852,000 1879[i] 1888
252 Walthamstow No.4 England Greater London TQ3540089100

51°35′04″N 0°02′50″W / 51.584498°N 0.047100199°W / 51.584498; -0.047100199 (Walthamstow No.4 Reservoir)

680,000 1853[iv] 1866[v]
253 Walthamstow No.5 England Greater London TQ3550088600

51°34′48″N 0°02′45″W / 51.579981°N 0.045850528°W / 51.579981; -0.045850528 (Walthamstow No.5 Reservoir)

680,000 1853[iv] 1866[v]
179 Walton - Bessborough England Surrey TQ1220068000

51°24′00″N 0°23′19″W / 51.399946°N 0.38850014°W / 51.399946; -0.38850014 (Walton - Bessborough Reservoir)

2,757,000 1898 1907
228 Walton - Knight England Surrey TQ1170068000

51°24′00″N 0°23′44″W / 51.400044°N 0.39568466°W / 51.400044; -0.39568466 (Walton - Knight Reservoir)

1,857,000 1898 1907
216 Waskerley England County Durham NZ0250044300

54°47′37″N 1°57′46″W / 54.793583°N 1.9626426°W / 54.793583; -1.9626426 (Waskerley Reservoir)

2,046,500 1877 1877
156 Watergrove England Greater Manchester SD9100017700

53°39′21″N 2°08′16″W / 53.655715°N 2.1376509°W / 53.655715; -2.1376509 (Watergrove Reservoir)

3,273,000 1930 1938
120 Wayoh England Lancashire SD7370016400

53°38′36″N 2°23′57″W / 53.643443°N 2.3992954°W / 53.643443; -2.3992954 (Wayoh Reservoir)

5,100,000 1865[vi] 1876
112 Weirwood England East Sussex TQ4060035300

51°05′59″N 0°00′24″E / 51.099772°N 0.0066761370°E / 51.099772; 0.0066761370 (Weirwood Reservoir)

5,623,000 1950 1954
235 Wentwood Wales Newport ST4300092900

51°37′55″N 2°49′30″W / 51.632009°N 2.8249355°W / 51.632009; -2.8249355 (Wentwood Reservoir)

1,739,000 1896 1904
117 West Moor Reservoir England Somerset ST4160032600

51°05′23″N 2°50′07″W / 51.089725°N 2.8352377°W / 51.089725; -2.8352377 (West Moor Reservoir)

5,359,000 NA NA
255 West Warwick England Greater London TQ3460088300

51°34′39″N 0°03′32″W / 51.577501°N 0.058946209°W / 51.577501; -0.058946209 (West Warwick Reservoir)

639,000 1853[iv] 1900[v]
151 West Water Scotland Scottish Borders NT1173052377

55°45′24″N 3°24′29″W / 55.756672°N 3.4080668°W / 55.756672; -3.4080668 (West Water Reservoir)

3,364,000 1966 1969
199 Wet Sleddale England Cumbria NY5530011600

54°29′52″N 2°41′30″W / 54.497744°N 2.6916824°W / 54.497744; -2.6916824 (Wet Sleddale Reservoir)

2,282,000 1880[vi] 1966
247 White Holme England West Yorkshire SD9710019900

53°40′32″N 2°02′43″W / 53.675560°N 2.0453756°W / 53.675560; -2.0453756 (White Holme Reservoir)

1,601,000 1807[iv] 1816
133 Whiteadder Scotland East Lothian NT6540063500

55°51′48″N 2°33′16″W / 55.863430°N 2.5543847°W / 55.863430; -2.5543847 (Whiteadder Reservoir)

4,239,000 1959[v] 1968
172 Widdop England West Yorkshire SD9300033000

53°47′36″N 2°06′28″W / 53.793263°N 2.1077415°W / 53.793263; -2.1077415 (Widdop Reservoir)

2,912,000 1872 1878
219 Willen Lake England Buckinghamshire SP8810040900

52°03′34″N 0°42′59″W / 52.059485°N 0.71640948°W / 52.059485; -0.71640948 (Willen Lake Reservoir)

2,004,000 1967 1972
56 William Girling England Greater London TQ3670094100

51°37′45″N 0°01′35″W / 51.629115°N 0.026400980°W / 51.629115; -0.026400980 (William Girling Reservoir)

16,500,000 1935[v] 1951
46 Wimbleball England Somerset SS9670029300

51°03′13″N 3°28′31″W / 51.053723°N 3.4752172°W / 51.053723; -3.4752172 (Wimbleball Reservoir)

21,541,000 1968 1979
87 Winscar England South Yorkshire SE1530002600

53°31′11″N 1°46′15″W / 53.519852°N 1.7707125°W / 53.519852; -1.7707125 (Winscar Reservoir)

8,300,000 1970[vi] 1975
131 Woodhead England Derbyshire SK0820099400

53°29′28″N 1°52′40″W / 53.491247°N 1.8778781°W / 53.491247; -1.8778781 (Woodhead Reservoir)

4,700,000 1848 1877
38 Wraysbury England Surrey TQ0250074500

51°27′37″N 0°31′34″W / 51.460205°N 0.52600813°W / 51.460205; -0.52600813 (Wraysbury Reservoir)

26,910,000 1945[vi] 1970
158 Yarrow[v] England Lancashire SD6240015500

53°38′05″N 2°34′12″W / 53.634662°N 2.5701051°W / 53.634662; -2.5701051 (Yarrow Reservoir)

3,252,000 1850 1877
155 Ystradfellte Wales Powys SN9460017500

51°50′46″N 3°31′53″W / 51.846116°N 3.5314738°W / 51.846116; -3.5314738 (Ystradfellte Reservoir)

3,277,000 1902[vi] 1914

Largest in England and Wales (2012)

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Rank Name Owner Location Year Built Nominal volume m³ Surface area m² Ref.
1 Kielder Water Northumbrian Water Northumberland 1981 199,000,000 10,860,000 [3]
2 Rutland Water Anglian Water Rutland 1976 124,000,000 12,600,000 [3]
3 Haweswater United Utilities Cumbria 1935 84,840,000 3,900,000 [3]
4 Llyn Celyn Welsh Water Gwynedd 1965 80,930,850 3,300,000 [3]
5 Llyn Brianne Welsh Water Powys 1972 64,400,000 2,096,000 [3]
6 Llyn Brenig Welsh Water Denbighshire 1976 61,500,000 3,725,000 [3]
7 Lake Vyrnwy Severn Trent Water Powys 1888 59,700,000 4,536,000 [3]
8 Grafham Water Anglian Water Cambridgeshire 1965 57,800,000 6,280,000 [3]
9 Clywedog Reservoir Severn Trent Water Powys 1967 49,940,000 2,490,000 [3]
10 Cow Green Reservoir Northumbrian Water Teesdale 1971 40,914,000 3,120,000 [3]
11 Thirlmere United Utilities Cumbria 1894 40,714,999 3,290,000 [3]
12 Claerwen Welsh Water Powys 1952 40,307,000 2,630,000 [3]
13 Derwent Reservoir Northumbrian Water County Durham 1965 40,060,000 4,050,000 [3]
14 Roadford Lake South West Water Devon 1989 36,910,000 2,987,000 [3]
15 Carsington Water Severn Trent Water Derbyshire 1992 36,331,000[4] 3,000,000
16 Caban Coch Welsh Water Powys 1904 35,531,000 2,023,000 [3]
17 Llyn Trawsfynydd Magnox Ltd Gwynedd 1928 33,190,000 4,800,000 [3]
18 Nant y Moch Statkraft Ceredigion 1964 32,564,000 2,630,000 [3]
19 Queen Mother Reservoir Thames Water Greater London 1976 31,492,000 1,922,000 [3]
20 Bewl Water Southern Water East Sussex 1975 31,000,000 3,120,000 [3]
21 Queen Mary Reservoir Thames Water Greater London 1931 30,363,000 2,863,000 [3]
22 Colliford Lake South West Water Cornwall 1983 29,100,000 3,660,000 [3]
23 Ladybower Reservoir Severn Trent Water Derbyshire 1943 27,800,000 2,100,000 [3]
24 Hanningfield Reservoir Essex and Suffolk Water Essex 1957 27,721,000 3,536,000 [3]
25 Wraysbury Reservoir Thames Water Greater London 1970 26,910,000 2,023,000 [3]
26 Abberton Reservoir Essex and Suffolk Water Essex 1939 25,721,000 4,900,000 [3]
27 Llandegfedd Reservoir Welsh Water Monmouthshire 1965 24,660,000 1,760,445 [3]
28 Draycote Water Severn Trent Water Warwickshire 1969 22,730,000 2,430,000 [3]
29 Grimwith Reservoir Yorkshire Water North Yorkshire 1983 22,200,000 1,500,000 [3]
30 Wimbleball Lake South West Water Somerset 1979 21,541,000 1,620,000 [3]
31 Chew Valley Lake Bristol Water Somerset 1956 20,457,000 4,856,000 [3]
32 Balderhead Reservoir Northumbrian Water County Durham 1961 19,618,000 1,170,000 [3]
33 King George VI Reservoir Thames Water Greater London 1947 18,732,000 1,420,000 [3]
34 Blithfield Reservoir South Staffordshire Water Staffordshire 1953 18,172,000 3,190,000 [3]
35 Pitsford Water Anglian Water Northamptonshire 1956 17,545,000 3,030,000 [3]
36 Queen Elizabeth II Reservoir Thames Water Greater London 1962 16,809,000 1,283,000 [3]
37 William Girling Reservoir Thames Water Greater London 1951 16,500,000 1,350,000 [3]
38 Pontsticill Reservoir Welsh Water Powys 1927 15,640,000 1,412,000 [3]
39 Selset Reservoir Northumbrian Water County Durham 1960 15,320,000 1,110,000 [3]
40 Alwen Reservoir Welsh Water Conwy 1921 14,564,200 1,490,000 [3]
41 King George V Reservoir Thames Water Greater London 1912 13,970,000 1,720,000 [3]
42 Foremark Reservoir Severn Trent Water Derbyshire 1977 13,193,486 930,000 [3]
43 Usk Reservoir Welsh Water Powys 1955 12,253,000 1,160,000 [3]
44 Stocks Reservoir United Utilities Lancashire 1932 12,006,000 1,390,000 [3]
45 Talybont Reservoir Welsh Water Powys 1939 11,668,000 1,272,000 [3]
46 Covenham Reservoir Anglian Water Lincolnshire 1972 10,900,000 882,000 [3]
47 Catcleugh Reservoir Northumbrian Water Northumberland 1905 10,480,000 987,000 [3]
48 Scar House Reservoir Yorkshire Water North Yorkshire 1936 10,069,000 700,000 [3]

See also

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Notes

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  1. ^ a b c d e f Parliamentary approval of scheme
  2. ^ a b c d e f g h Associated with inception of North of Scotland Hydro Electric Board
  3. ^ a b c d e f g h i j k l m n o Start of hydroelectric production - Hydro Electric Development (Scotland) Act 1943
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av Associated with act that gave an authority powers
  5. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab The Environmental Information Data Centre source used states the sources they used could be dubious for parts (or this part) of this entry
  6. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as First mention of scheme on Hansard

References

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  1. ^ a b Durant, M.J.; Counsell, C.J. (20 July 2018), Inventory of reservoirs amounting to 90% of total UK storage, NERC EDS Environmental Information Data Centre, doi:10.5285/f5a7d56c-cea0-4f00-b159-c3788a3b2b38, retrieved 10 April 2023 Data downloadable with registration
  2. ^ Elan dams: Specifications Archived 20 February 2013 at the Wayback Machine at Elan Valley Trust official website. Accessed 27 November 2013
  3. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au Environment Agency. "Public Register of Reservoirs". {{cite journal}}: Cite journal requires |journal= (help) Compiles a database of reservoirs in England and Wales.
  4. ^ "Raw Water Storage Levels 15 August 2022 | Reservoir levels | About Us | Severn Trent Water". www.stwater.co.uk. Retrieved 2022-08-20.
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