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LakeQuality

Lakes in Poland

Find lakes in Poland: 489 designated lake bathing waters classified under the EU Bathing Water Directive. 294 are rated Excellent for 2025.

The same country also has official phosphorus, chlorophyll-a, and Secchi for 748 named lakes, sampled 2024–2026. Those are nutrient and clarity readings, a different measurement from the Directive's bacteria class.

Updated 2025

Excellent: 294Good: 63Sufficient: 18Poor: 5Not classified: 109

Lake map

Map shows 1,237 lakes with coordinates · list below has 569

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Best-rated lakes to swim in Poland

Officially classified Excellent for the 2025 bathing season, ranked by how often that class has held. Full best-lakes list →

  1. CekcynExcellent · Excellent 11/11 seasons
  2. Gostycyn - PiłaExcellent · Excellent 11/11 seasons
  3. Kąpielisko Akwen TropicanaExcellent · Excellent 11/11 seasons
  4. Kąpielisko CzechowiceExcellent · Excellent 11/11 seasons
  5. Kąpielisko Gminne W Koronowie-Pieczyskach Nad Zalewem KoronowskimExcellent · Excellent 11/11 seasons
  6. Kąpielisko gminne w PrzywidzuExcellent · Excellent 11/11 seasons
  7. Kąpielisko Gminnego Ośrodka Sportu I Rekreacji W Nowym Dębcu Nad J. WonieskimExcellent · Excellent 11/11 seasons
  8. Kąpielisko MiejskieExcellent · Excellent 11/11 seasons
  9. Kąpielisko MiejskieExcellent · Excellent 11/11 seasons
  10. Kąpielisko Miejskie ObornikiExcellent · Excellent 11/11 seasons
  11. Kąpielisko na Jeziorze Dużym na obszarze Gminnego Ośrodka Kultury w LubaszuExcellent · Excellent 11/11 seasons
  12. Kąpielisko Na Jeziorze Staw Miejski W DebrznieExcellent · Excellent 11/11 seasons
  13. Kąpielisko Na Jeziorze żuczek W DebrznieExcellent · Excellent 11/11 seasons
  14. Kąpielisko Nad J. Szczytno Przy Ośrodku Rekreacyjno Wypoczynkowym RzewnicaExcellent · Excellent 11/11 seasons
  15. Kąpielisko Nad Jeziorem DecznoExcellent · Excellent 11/11 seasons

Every rated bathing water in Poland

Places in Poland

Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
ArklickieLW3052535 µg/L5.3 µg/L1.1 m2024
Babięty MałeLW3020932 µg/L25 µg/L1.4 m2026
Babięty WielkieLW3020532 µg/L9.1 µg/L1.7 m2026
BachotekLW2018942 µg/L—2.4 m2026
BądzkieLW2075889 µg/L30 µg/L0.7 m2025
BałądźLW9010038 µg/L2.4 µg/L4.7 m2024
BalewskieLW2076962 µg/L22 µg/L1.4 m2026
BarlewickieLW2077178 µg/L35 µg/L1.5 m2025
BarlinLW1029569 µg/L32 µg/L0.5 m2025
BarlineckieLW1102516 µg/L3.0 µg/L3.3 m2025
BartężekLW2010079 µg/L51 µg/L0.6 m2025
BędgoszczLW1104145 µg/L17 µg/L0.9 m2026
BędzinLW10936107 µg/L44 µg/L0.8 m2026
BerżnikLW3067652 µg/L3.3 µg/L4.8 m2025
BerzyńskieLW10338160 µg/L129 µg/L0.3 m2024
BiałeLW1032923 µg/L8.6 µg/L2.9 m2025
BiałeLW10858127 µg/L47 µg/L0.5 m2025
BiałeLW2001025 µg/L3.6 µg/L5.0 m2026
BiałeLW20383—21 µg/L1.8 m2025
BiałeLW2071828 µg/L6.8 µg/L2.8 m2026
BiałeLW2074028 µg/L4.7 µg/L3.4 m2024
BiałeLW3019830 µg/L—1.7 m2026
BiałeLW3072828 µg/L5.0 µg/L3.5 m2026
Białe AugustowskieLW3003427 µg/L—3.5 m2026
Białe FilipowskieLW3058357 µg/L3.9 µg/L5.5 m2024
Białe SosnowickieLW3071096 µg/L149 µg/L0.5 m2025
Białe WigierskieLW3062225 µg/L2.8 µg/L8.2 m2025
Białe-MiałkieLW1002931 µg/L38 µg/L0.8 m2026
BiałokoskieLW1027428 µg/L—3.0 m2026
BiałoławkiLW30267——3.5 m2026
BiałowierśnieLW30646——3.3 m2026
BielskieLW1029826 µg/L—2.4 m2025
BielskoLW1054854 µg/L—2.0 m2026
BierzwnikLW1080928 µg/L—3.5 m2026
BikczeLW3070332 µg/L4.4 µg/L2.3 m2024
BinowskieLW1104326 µg/L—3.4 m2024
BiskupińskieLW10457—43 µg/L1.1 m2025
BłądzimskieLW2053734 µg/L—4.0 m2026
BlizinkiLW2060370 µg/L—2.8 m2026
BliznoLW30027——3.5 m2026
BnińskieLW1014859 µg/L86 µg/L0.8 m2025
Bobięcińskie WielkieLW2088713 µg/L5.2 µg/L5.3 m2025
BoczneLW3015228 µg/L—2.9 m2026
BoczneLW3058846 µg/L7.7 µg/L3.1 m2024
BokszeLW3066334 µg/L9.2 µg/L2.5 m2025
BolestyLW3001740 µg/L24 µg/L1.4 m2024
BorakLW10059145 µg/L—0.8 m2025
BorównoLW1065326 µg/L11 µg/L2.4 m2024
Borzechowskie WielkieLW2069536 µg/L14 µg/L2.6 m2026
BorzymowskieLW20047128 µg/L60 µg/L0.8 m2026
BorzyszkowskieLW2031327 µg/L8.6 µg/L3.7 m2024
BoskieLW3050165 µg/L26 µg/L0.6 m2024
BoszkowskieLW10018629 µg/L390 µg/L0.5 m2026
Branickie DużeLW2054958 µg/L—1.3 m2026
BrdowskieLW10390121 µg/L33 µg/L0.7 m2025
BrodyLW1058223 µg/L9.0 µg/L1.8 m2025
BrzeźnoLW2033132 µg/L19 µg/L1.4 m2025
BudzisławskieLW1039836 µg/L—6.5 m2026
BudziszewskieLW1024971 µg/L—0.8 m2026
BukoweLW1081456 µg/L14 µg/L1.9 m2026
BukowieckieLW1037775 µg/L54 µg/L0.4 m2024
BukowoLW20912128 µg/L114 µg/L0.3 m2024
BusznoLW1038019 µg/L1.9 µg/L6.0 m2025
BuwełnoLW3014623 µg/L—1.6 m2024
BysławskieLW2041067 µg/L—2.1 m2024
Bytyń WielkiLW1062123 µg/L7.6 µg/L3.6 m2026
BytyńskieLW1025860 µg/L57 µg/L0.8 m2024
Cekcyńskie WielkieLW2039569 µg/L—3.0 m2026
ChalińskieLW2002045 µg/L10 µg/L2.2 m2024
CharzykowskieLW2029076 µg/L23 µg/L2.2 m2024
ChełmickieLW20025133 µg/L—1.0 m2026
ChełmżyńskieLW2045162 µg/L19 µg/L1.7 m2026
ChlewoLW2089916 µg/L9.2 µg/L3.0 m2025
ChłopLW1036059 µg/L8.0 µg/L3.1 m2025
ChłopLW1089664 µg/L—0.8 m2026
ChłopLW1095031 µg/L2.8 µg/L4.0 m2026
ChłopowoLW1079721 µg/L9.3 µg/L3.7 m2024
ChobienickieLW10344550 µg/L207 µg/L0.3 m2024
ChoczewskieLW2105023 µg/L4.8 µg/L2.4 m2025
ChodzieskieLW10517183 µg/L80 µg/L0.7 m2025

Showing 80 of 748 named lakes. Open a county or place page for the rest.

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Frequently asked questions

Which lakes in Poland are best to swim in?
294 of 489 designated bathing waters in Poland are rated Excellent for 2025 under the EU Bathing Water Directive. That class measures E. coli and intestinal enterococci only — it is not a safety clearance.
Is it safe to swim in Poland lakes?
The official class is a bacteriological rating, not a safety clearance. It does not cover algal blooms, nutrients, water clarity, currents, or depth. Conditions change after heavy rain. Check local signage and the operator's current notices before entering the water.
How is lake water quality measured in Poland?
748 named lakes in Poland have official phosphorus, chlorophyll-a, and Secchi from the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska), 2024–2026. These are the authority's own measurements, shown as reported.
Whose ratings do the Poland lake pages show?
The publishing authority's own. Pages for lakes in Poland show the values and classes that authority reports, with the season or year each was taken.

Lakes in other countries

Lakes in Europe

Directory of official lake water quality

Lake campgrounds in Europe

Rated bathing waters at campgrounds

Best lakes in Poland

Excellent-rated bathing waters

Clearest lakes in Poland

Named lakes ranked by Secchi

Lakes in Austria

Water quality for lakes in Austria

Lakes in Hungary

Water quality for lakes in Hungary

Lakes in Finland

Water quality for lakes in Finland

Lakes in Sweden

Water quality for lakes in Sweden

Lakes in Switzerland

Water quality for lakes in Switzerland

Lakes in Denmark

Water quality for lakes in Denmark

Lakes in Spain

Water quality for lakes in Spain

Lakes in Lithuania

Water quality for lakes in Lithuania

Where to stay near Poland

Lakeside cabins, hotels, and vacation rentals near Poland — live availability from Booking.com, Vrbo and Expedia.

Top-rated places to stay near Poland

Prices for Sep 25–27, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Source: European Environment Agency (EEA), Bathing Water Directive. CC-BY 4.0.

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

Monitoring: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska).