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LakeQuality

Cumbria and Lancashire, England

County page for 49 named lakes in England. Official surface phosphorus, chlorophyll-a, and Secchi — not a swim-safety class and not a LakeQuality letter.

Lake map

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Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
Anglezarke Reservoir Rivington Catchement DipCumbria and Lancashire27 µg/L6.6 µg/L2020
Barnacre North ReservoirCumbria and Lancashire21 µg/L5.6 µg/L2020
Bassenthwaite LakeCumbria and Lancashire13 µg/L4.1 µg/L2026
Big Lodge LakeCumbria and Lancashire61 µg/L8.3 µg/L2026
Blea WaterCumbria and Lancashire2.8 µg/L1.0 µg/L2022
Blelham TarnCumbria and Lancashire19 µg/L5.7 µg/L2026
BrotherswaterCumbria and Lancashire5.3 µg/L1.5 µg/L2026
ButtermereCumbria and Lancashire4.4 µg/L1.8 µg/L2026
Buttermere As Part of A Wq SurveyCumbria and Lancashire6.5 µg/L3.1 µg/L2026
Cant Clough ReservoirCumbria and Lancashire18 µg/L3.3 µg/L2020
Churn Clough ReservoirCumbria and Lancashire8.5 µg/L2.3 µg/L2020
Coniston LakeCumbria and Lancashire6.8 µg/L2.7 µg/L2026
Derwent WaterCumbria and Lancashire11 µg/L2.7 µg/L2026
DerwentwaterCumbria and Lancashire7.9 µg/L3.5 µg/L2026
Devoke WaterCumbria and Lancashire4.1 µg/L2.3 µg/L2026
Dubbs ReservoirCumbria and Lancashire11 µg/L2.2 µg/L2026
ElterwaterCumbria and Lancashire12 µg/L3.6 µg/L2026
Ennerdale WaterCumbria and Lancashire3.1 µg/L1.5 µg/L2026
Esthwaite WaterCumbria and Lancashire21 µg/L4.7 µg/L2025
Fisher Tarn ReservoirCumbria and Lancashire20 µg/L7.0 µg/L2026
Foulridge Upper ReservoirCumbria and Lancashire99 µg/L23 µg/L2025
GrasmereCumbria and Lancashire13 µg/L3.3 µg/L2026
Harlock ReservoirCumbria and Lancashire14 µg/L5.5 µg/L2026
Hawes WaterCumbria and Lancashire7.5 µg/L3.5 µg/L2026
High Dam LakeCumbria and Lancashire31 µg/L11 µg/L2026
High Newton ReservoirCumbria and Lancashire15 µg/L4.0 µg/L2026
Little Langdale TarnCumbria and Lancashire4.4 µg/L2.2 µg/L2026
Longland LakeCumbria and Lancashire17 µg/L4.4 µg/L2026
Lower Roddlesworth Reservoir Rivington Catchment SampledCumbria and Lancashire28 µg/L3.8 µg/L2020
Loweswater As Part of A Wq SurveyCumbria and Lancashire12 µg/L6.8 µg/L2026
Mirehouse ReservoirCumbria and Lancashire43 µg/L11 µg/L2025
Pine LakeCumbria and Lancashire290 µg/L1.7 µg/L2026
Rake Brook Reservoir Rivington Catchment SampledCumbria and Lancashire33 µg/L2.8 µg/L2020
Rydal Water ShoreCumbria and Lancashire10 µg/L3.4 µg/L2026
Scotsman Flash Slipway LakeCumbria and Lancashire120 µg/L1.9 µg/L2025
Siddick PondCumbria and Lancashire180 µg/L10 µg/L2025
Skelsmergh TarnCumbria and Lancashire20 µg/L12 µg/L2026
Stickle TarnCumbria and Lancashire1.8 µg/L2026
Sunbiggin TarnCumbria and Lancashire13 µg/L3.3 µg/L2026
Tarn HowsCumbria and Lancashire6.5 µg/L2.8 µg/L2026
The LakeCumbria and Lancashire17 µg/L1.5 µg/L2026
Thurstonfield Lough LakeCumbria and Lancashire51 µg/L7.0 µg/L2026
UllswaterCumbria and Lancashire9.1 µg/L2.6 µg/L2026
Upper Roddlesworth Reservoir Rivington Catchment SampledCumbria and Lancashire39 µg/L2.6 µg/L2020
Wast WaterCumbria and Lancashire2.6 µg/L1.2 µg/L2026
WindermereCumbria and Lancashire12 µg/L4.2 µg/L2026
Windermere Low Wray BayCumbria and Lancashire18 µg/L6.3 µg/L2026
Wyresdale Park LakeCumbria and Lancashire74 µg/L69 µg/L2026
Yarrow Reservoir Rivington Catchment DipCumbria and Lancashire22 µg/L4.1 µg/L2020

Where to stay near Cumbria and Lancashire, England

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Official surface phosphorus, chlorophyll-a, and/or Secchi. Not a LakeQuality A–F grade — the authority does not publish a letter on this scale.