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Lake swimming in Netherlands: 2025 water quality

Netherlands reported 587 lake bathing waters for the 2025 season. 70.5% were classified Excellent — 0.4 points below the 70.9% for all 757 bathing waters in the country — and 26 were Poor. 262 sites have been Excellent in every season from 2015 to 2025. Among the 19 countries with at least 30 lake bathing waters, Netherlands ranks 15 by Excellent share.

587

lake bathing waters

70.5%

Excellent in 2025

26

Poor in 2025

Annual, not live: the 2025 class summarises several seasons of sampling. It does not show today’s pollution, algae or bans.

Season status: Today (6 November 2026) is outside the official bathing season (1 May – 30 September). Official monitoring is tied to the season (a first sample may be taken shortly before it opens), so there are no current official water-quality results now. The next season starts on 1 May 2027.

Where to check today's status in Netherlands

The provinces, with Rijkswaterstaat for national waters

Official bathing season: 1 May – 30 September. Zwemwater.nl and its app show current quality, warnings and swimming advice per official location.

Annual EEA classes on this site do not show temporary bans, short-term pollution or algae alerts. Those are published by the competent authority. National information last checked 2026-11-01.

Zwemwater.nl →

Find the nearest Excellent lake to you →

Map of lake bathing waters

Excellent 414Good 96Sufficient 42Poor 26Not classified 9
North HollandNorth BrabantSouth HollandGelderlandOverijsselGroningenFrieslandDrentheUtrechtZeeland
How to read this map: Each dot is one official bathing water, coloured by its 2025 rating. Coloured areas are the regions; region names link to their pages. Sea and large lakes are blue, neighbouring countries grey. Positions: official EEA coordinates. Boundaries: Eurostat NUTS 2024, generalised (© EuroGeographics); lakes: Natural Earth. Outlines are simplified, so a few shoreline dots can sit just offshore.

How lake bathing waters in Netherlands rated since 2015

Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.

SeasonClassifiedExcellentExcellent sharePoor
202557841471.6%26
202456940971.9%25
202356340371.6%28
202255141375%18
202155241074.3%27
202054240875.3%20
201953340576%14
201853239173.5%17
201752338774%13
201651139276.7%11
201550339277.9%15

Most consistent Excellent lakes

262 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025; the first 60 are shown.

  1. 'T HOEFSVEN 11 seasons
  2. 'T NIJE HEMELRIEK 11 seasons
  3. 'T VEENMEER 11 seasons
  4. 'T WED 11 seasons
  5. 'T WITVEN 11 seasons
  6. 'T ZAND 11 seasons
  7. 'T ZAND MIDDENSTRAND 11 seasons
  8. 'T ZWARTE PLASJE 11 seasons
  9. `T LOOMEER 11 seasons
  10. ALMEERDERSTRAND 11 seasons
  11. AQUABEST 11 seasons
  12. BAGGELHUIZEN 11 seasons
  13. BEEKSE BERGEN ZONE 2 11 seasons
  14. BELDERT BEACH 11 seasons
  15. BERKENDONK HELMOND, 120M VAN STRANDWACHTHUIS 11 seasons
  16. BERKENDONK HELMOND, AAN OOSTZIJDE NOORDSTRAND 11 seasons
  17. BETUWE CAMPING 11 seasons
  18. BIESBOSCH MARINA, BADZONE STRAND 11 seasons
  19. BINNENBEDIJKTE MAAS MIJNSHEERENLAND 11 seasons
  20. BINNENBEDIJKTE MAAS WESTMAAS 11 seasons
  21. BLAUWE MEER 11 seasons
  22. BLAUWE MEER - EXPERIENCE ISLAND 11 seasons
  23. BOEKELS VEN 11 seasons
  24. BRAAKMANKREEK OOST 11 seasons
  25. BRAASSEMERMEER 11 seasons
  26. BRIELSE MEER BRIELSEBRUG ZUIDZIJDE 11 seasons
  27. BRIELSE MEER BUITENSTRAND CAMPING DE MEEUW 11 seasons
  28. BRIELSE MEER CAMPING DE KRABBEPLAAT 11 seasons
  29. BRIELSE MEER CAMPING DE MEEUW 11 seasons
  30. BRIELSE MEER DE STENEN BAAK 11 seasons
  31. BRONSBERGENMEER 11 seasons
  32. BRUINISSE WERKHAVEN BADSTRAND 11 seasons
  33. BUSSLOO I DE SNENGE 11 seasons
  34. BUSSLOO II DE ROBBERTSKAMP 11 seasons
  35. BUSSLOO III DE WITHAGEN 11 seasons
  36. CAMPING DE HOOGTE 11 seasons
  37. CAMPING DE KLEINE WOLF 11 seasons
  38. CAMPING DE KLIMBERG 11 seasons
  39. CAMPING DE MIDDEN VELUWE 11 seasons
  40. CAMPING DE POPPE 11 seasons
  41. CAMPING DE RAMMELBEEK 11 seasons
  42. CAMPING DE TOL 11 seasons
  43. CAMPING DE WAAY 11 seasons
  44. CAMPING EN GROEPSACCOMODATIE DE BOVENBERG 11 seasons
  45. CAMPING KLEIN FRANKRIJK 11 seasons
  46. CAMPING PLATHUIS, BOURTANGE 11 seasons
  47. CANADAMEER, APPELSCHA 11 seasons
  48. DAGSTRAND CAMPING BREEBRONNE 11 seasons
  49. DAGSTRAND DROOMPARK MAASDUINEN 11 seasons
  50. DAGSTRAND ENODE 11 seasons
  51. DAGSTRAND FUN BEACH 11 seasons
  52. DAGSTRAND HET MEERDAL 11 seasons
  53. DAGSTRAND PEEL BEACH HEELDERPEEL 11 seasons
  54. DAGSTRAND RECREATIEPARK DE LEISTERT 11 seasons
  55. DAGSTRAND SEURENHEIDE 11 seasons
  56. DE ACHTERSTE HOEF 11 seasons
  57. DE BARKHOORN, SELLINGEN 11 seasons
  58. DE BERENKUIL 11 seasons
  59. DE BREULY 11 seasons
  60. DE FONTEIN 11 seasons

Lakes rated Poor in 2025

Changes from 2024 to 2025

Improved (40)

Declined (40)

Lake bathing waters by province

ProvinceSitesExcellentPoor
North Holland8944.9%8
North Brabant8381.9%2
South Holland7174.6%1
Gelderland7087.1%0
Overijssel5178.4%1
Groningen4656.5%5
Friesland4339.5%4
Drenthe4187.8%0
Flevoland3073.3%1
Utrecht2466.7%4
Limburg2085%0
Zeeland1994.7%0

Provinces with at least three lake bathing waters; counts include only this water type.

Near which major cities?

Sites within 60 km (straight line) of a major city covered by our city guides:

Lakes compared across Europe

#CountrySitesExcellentPoor
1Austria25496.9%1
2Finland21195.7%0
3Denmark12394.3%0
4Germany1,89391.8%3
5Lithuania8091.3%0
6Czechia6290.3%0
7Portugal4989.8%1
8Italy67388.4%5
9France84586.7%15
10Switzerland13586.7%4
11Sweden21082.4%6
12Estonia3080%0
13Spain10979.8%4
14Belgium7779.2%1
15Netherlands58770.5%26
16Slovakia4070%0
17Hungary24769.6%3
18Croatia3467.6%0
19Poland48960.1%5

Countries with at least 30 lake bathing waters. Networks differ in size and in how sites are designated, so this is a descriptive comparison, not a safety ranking.

Quick answers

How many lake bathing waters in Netherlands are rated Excellent?
414 of 587 (70.5%) in the 2025 EEA classification.
Which lakes in Netherlands have the best long-term record?
262 sites were Excellent in every season from 2015 to 2025, for example 'T HOEFSVEN, 'T NIJE HEMELRIEK, 'T VEENMEER. See the full list.
Can I check current conditions?
The annual class is not a live status. Current results and bans are published on Zwemwater.nl. Each site page on BathingWaterFinder also shows a weather forecast, including heavy-rain warnings.

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