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LakeQuality

Lake map

Map shows 529 lakes with coordinates · list below has 80

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Places in England

Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
Abberton Reservoir From the ShorelineEssex Norfolk and Suffolk76 µg/L13 µg/L—2025
Abbey LakeWest Thames30 µg/L4.0 µg/L—2024
Abbey Meads LakeKent and South London31 µg/L11 µg/L—2025
Alderfen BroadEssex Norfolk and Suffolk96 µg/L5.4 µg/L—2026
Alderford LakeShrops Heref Worcs and Glos89 µg/L7.6 µg/L—2026
Alkmund Park PoolShrops Heref Worcs and Glos185 µg/L37 µg/L—2026
Allerton Ings Pasture PondYorkshire210 µg/L27 µg/L—2026
Andys Lake East ShoreWest Thames11 µg/L2.0 µg/L—2026
Anglers Reservoir by the PondYorkshire21 µg/L10 µg/L—2026
Anglezarke Reservoir Rivington Catchement DipCumbria and Lancashire27 µg/L6.6 µg/L—2020
Ardleigh ReservoirEssex Norfolk and Suffolk65 µg/L8.8 µg/L—2026
Ashford Station LakeHerts and North London52 µg/L5.4 µg/L—2026
Ashworth Moor ReservoirGtr Mancs Mersey and Ches25 µg/L5.6 µg/L—2020
Audenshaw ReservoirGtr Mancs Mersey and Ches22 µg/L6.3 µg/L—2020
Bainton Syndicate LakeLincs and Northants32 µg/L8.7 µg/L—2026
Bakethin ReservoirNorthumberland Durham and Tees22 µg/L1.6 µg/L—2020
Balderhead ReservoirNorthumberland Durham and Tees21 µg/L1.8 µg/L—2026
Balderton LakeDerbys Notts and Leics29 µg/L3.1 µg/L—2025
Bar MereGtr Mancs Mersey and Ches150 µg/L15 µg/L—2023
Barnacre North ReservoirCumbria and Lancashire21 µg/L5.6 µg/L—2020
Barnby Dun PondYorkshire160 µg/L6.6 µg/L—2026
Barrow Reservoir Tower Northern TankWessex197 µg/L11 µg/L—2020
Barston LakeStaffs Warks and West Mids435 µg/L49 µg/L—2026
Barton BroadEssex Norfolk and Suffolk72 µg/L26 µg/L—2026
Bartons Broads Residential Park LakeLincs and Northants655 µg/L4.4 µg/L—2026
Bassenthwaite LakeCumbria and Lancashire13 µg/L4.1 µg/L—2026
Belmont ReservoirGtr Mancs Mersey and Ches34 µg/L1.9 µg/L—2025
Belvide Reservoir Fwf StillwaterStaffs Warks and West Mids259 µg/L12 µg/L—2026
Berrington PoolShrops Heref Worcs and Glos92 µg/L13 µg/L—2024
Betley MereGtr Mancs Mersey and Ches310 µg/L52 µg/L—2026
Betley Mere Adjecent To Mere GutterGtr Mancs Mersey and Ches547 µg/L27 µg/L—2019
Betley Mere From JettyGtr Mancs Mersey and Ches300 µg/L42 µg/L—2020
Big Billinge LakeGtr Mancs Mersey and Ches175 µg/L7.5 µg/L—2025
Big Lodge LakeCumbria and Lancashire61 µg/L8.3 µg/L—2026
Big WatersNorthumberland Durham and Tees87 µg/L7.8 µg/L—2020
Bilberry ReservoirYorkshire20 µg/L1.0 µg/L—2026
Black Dicth PondWest Thames175 µg/L3.5 µg/L—2023
Black Lough LakeNorthumberland Durham and Tees93 µg/L46 µg/L—2026
Blackstone Edge ReservoirGtr Mancs Mersey and Ches46 µg/L5.3 µg/L—2020
Blackton ReservoirNorthumberland Durham and Tees21 µg/L1.3 µg/L—2020
Blagdon LakeWessex71 µg/L7.5 µg/L—2020
Blashford LakeWessex21 µg/L6.2 µg/L—2026
Blea WaterCumbria and Lancashire2.8 µg/L1.0 µg/L—2022
Blelham TarnCumbria and Lancashire19 µg/L5.7 µg/L—2026
Blickling Hall LakeEssex Norfolk and Suffolk21 µg/L9.2 µg/L—2025
Boating LakeHerts and North London196 µg/L64 µg/L—2017
Bolam LakeNorthumberland Durham and Tees46 µg/L4.9 µg/L—2026
BoldermereWest Thames42 µg/L8.4 µg/L—2024
Bomere PoolShrops Heref Worcs and Glos37 µg/L8.7 µg/L—2025
Bomere Pool JettyShrops Heref Worcs and Glos33 µg/L9.5 µg/L—2026
Bonehill Mill Fishery LakeStaffs Warks and West Mids200 µg/L58 µg/L—2026
Boreham Mere FisheryEssex Norfolk and Suffolk59 µg/L47 µg/L—2026
Boultham Mere ReserveLincs and Northants265 µg/L9.8 µg/L—2026
Bowyers LakeHerts and North London37 µg/L2.7 µg/L—2026
Bowyers Water :Waltham CrossHerts and North London38 µg/L5.7 µg/L—2022
Bradbourne Lake KwtKent and South London33 µg/L11 µg/L—2026
Bradgate Brook LakeDerbys Notts and Leics75 µg/L13 µg/L—2026
Bradwell LakeCambs and Bedfordshire66 µg/L5.6 µg/L—2026
Brasside PondNorthumberland Durham and Tees98 µg/L8.5 µg/L—2024
Braydon PondWessex185 µg/L38 µg/L—2026
Broadwater LakeHerts and North London115 µg/L8.9 µg/L—2026
Brooklands LakeKent and South London33 µg/L5.3 µg/L—2026
Broomey Croft PoolStaffs Warks and West Mids485 µg/L5.9 µg/L—2026
Broomlee Lough LakeNorthumberland Durham and Tees16 µg/L4.0 µg/L—2026
BrotherswaterCumbria and Lancashire5.3 µg/L1.5 µg/L—2026
Burnt Fen BroadEssex Norfolk and Suffolk102 µg/L50 µg/L—2020
Burntfen BroadEssex Norfolk and Suffolk130 µg/L45 µg/L—2026
Burrows Pit LakeKent and South London100 µg/L40 µg/L—2026
Burton Mill PondSolent and South Downs53 µg/L16 µg/L—2026
Bussock PondLincs and Northants59 µg/L25 µg/L—2025
Butterley ReservoirYorkshire28 µg/L1.4 µg/L—2026
ButtermereCumbria and Lancashire4.4 µg/L1.8 µg/L—2026
Buttermere As Part of A Wq SurveyCumbria and Lancashire6.5 µg/L3.1 µg/L—2026
By Outfall LakeWest Thames31 µg/L24 µg/L—2025
By Sluice LakeWest Thames74 µg/L10 µg/L—2025
Cant Clough ReservoirCumbria and Lancashire18 µg/L3.3 µg/L—2020
Cargill LakeHerts and North London160 µg/L9.5 µg/L—2026
Carlton PondsYorkshire280 µg/L12 µg/L—2026
Carr Brook (Blackwell Brook LakeDerbys Notts and Leics100 µg/L5.4 µg/L—2022
Carr Mill Dam LakeGtr Mancs Mersey and Ches92 µg/L2.4 µg/L—2026

Showing 80 of 529 named lakes. Open a county or place page for the rest.

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Frequently asked questions

How is lake water quality measured in England?
529 named lakes in England have official phosphorus, chlorophyll-a, and Secchi from the Environment Agency (England), 2016–2026. These are the authority's own measurements, shown as reported.
Whose ratings do the England lake pages show?
The publishing authority's own. Pages for lakes in England show the values and classes that authority reports, with the season or year each was taken.

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Official surface phosphorus, chlorophyll-a, and/or Secchi. Published as the authority reports it on this scale.

Monitoring: the Environment Agency (England).