Bathing water quality in Masovia (outside Warsaw), Poland
Masovia (outside Warsaw) has 31 official bathing waters in the EEA dataset for the 2025 season (18 river and 13 lake). 38.7% were classified Excellent — 20 points below the 58.7% across Poland — and 1 was Poor. By subregion, the Excellent share is highest in Radomski (55.6% of 9) and lowest in Płocki (16.7% of 6).
Jakość wody w kąpieliskach: Mazowiecki regionalny
Spośród 31 oficjalnych kąpielisk UE (Mazowiecki regionalny) 38,7% miało w 2025 r. klasyfikację „doskonała”; liczba kąpielisk z oceną „niedostateczna”: 1.

official bathing waters
Excellent in 2025
Poor in 2025
Map of official bathing waters in Masovia (outside Warsaw)
Masovia (outside Warsaw) by subregion
Sites are placed in the Eurostat NUTS 3 subregions that contain their reported coordinates.
| Subregion | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Radomski | 9 | 5 (55.6%) | 3 | 0 | 0 | 1 |
| Ostrołęcki | 7 | 3 (42.9%) | 1 | 0 | 0 | 3 |
| Płocki | 6 | 1 (16.7%) | 2 | 0 | 0 | 3 |
| Siedlecki | 5 | 1 (20%) | 1 | 1 | 1 | 1 |
| Ciechanowski | 3 | 2 (66.7%) | 0 | 0 | 0 | 1 |
| Żyrardowski | 1 | 0 (0%) | 1 | 0 | 0 | 0 |
Sea, lakes and rivers in Masovia (outside Warsaw)
| Water type | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Lake | 13 | 6 (46.2%) | 3 | 0 | 0 | 4 |
| River | 18 | 6 (33.3%) | 5 | 1 | 1 | 5 |
Coastal waters are assessed against stricter bacterial limits than lakes and rivers but are diluted far more; see how the classes are calculated.
Most consistent Excellent sites
Ordered by the length of the unbroken Excellent run ending in 2025.
- KĄPIELISKO KRUBIN 5 seasons · Ciechanowski
- KĄPIELISKO NA RZECE BUG PRZY UL. SZMITA W DROHICZYNIE 5 seasons · Siedlecki
- PLAŻA MIEJSKA NAD RZEKĄ NARWIĄ 5 seasons · Ciechanowski
- KĄPIELISKO JEZIORO IŁŻECKIE 4 seasons · Radomski
- ZWOLEŃ 4 seasons · Radomski
- Kąpielisko nr 1-Summer Playground North 2 seasons · Ostrołęcki
- Kąpielisko nr 2-Summer Playground East 1 2 seasons · Ostrołęcki
- BRATOSZEWO 1 season · Płocki
- Kąpielisko nr 1 Borki 1 season · Radomski
- Kąpielisko nr 2 Borki 1 season · Radomski
- Zalew Miejski w Makowie Mazowieckim 1 season · Ostrołęcki
- ZALEW SZYDŁOWIEC 1 season · Radomski
Rated Poor in 2025
For a Poor site the Bathing Water Directive requires management measures, including a bathing prohibition or advice against bathing, so check the authority before visiting.
- Kąpielisko Miejskie nad Zalewem Muchawka Poor in 3 of 4 classified seasons · Siedlecki
Changes from 2024 to 2025
Improved (3)
- ZALEW SZYDŁOWIEC Sufficient → Excellent
- BRATOSZEWO Good → Excellent
- KĄPIELISKO MIEJSKIE ZALEW NAD LIWCEM K/WĘGROWA Sufficient → Good
Declined (0)
None.
How Masovia (outside Warsaw) rated since 2015
Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.
| Season | Classified | Excellent | Excellent share | Poor |
|---|---|---|---|---|
| 2025 | 22 | 12 | 54.5% | 1 |
| 2024 | 21 | 9 | 42.9% | 1 |
| 2023 | 18 | 9 | 50% | 1 |
| 2022 | 19 | 11 | 57.9% | 0 |
| 2021 | 9 | 6 | 66.7% | 1 |
| 2020 | 4 | 1 | 25% | 1 |
| 2019 | 3 | 1 | 33.3% | 0 |
| 2018 | 3 | 2 | 66.7% | 0 |
| 2017 | 2 | 2 | 100% | 0 |
| 2016 | 3 | 2 | 66.7% | 0 |
| 2015 | 3 | 2 | 66.7% | 0 |
All 31 official bathing waters in Masovia (outside Warsaw)
Grouped by subregion, alphabetical within each group. Open a site for its 2015–2025 history, nearby alternatives, weather forecast and the national profile link.
Download all 31 sites as CSV (classes 2015–2025, coordinates, nearest place; EEA data, CC BY 4.0)
Radomski 9 sites · 55.6% Excellent
- KĄPIELISKO JEZIORO IŁŻECKIE · Iłża Excellent Excellent 4 seasons in a row
- Kąpielisko nr 1 Borki · Radom Excellent
- Kąpielisko nr 2 Borki · Radom Excellent
- KĄPIELISKO STAW GÓRNY · Pionki Good
- Kąpielisko SYRENKA · Białobrzegi Good
- KOZIENICE Good
- Krypianka · Garbatka-Letnisko Not classified
- ZALEW SZYDŁOWIEC Excellent Sufficient → Excellent since 2024
- ZWOLEŃ Excellent Excellent 4 seasons in a row
Ostrołęcki 7 sites · 42.9% Excellent
- Kąpielisko Brok Not classified
- KĄPIELISKO MIEJSKIE W OSTROŁĘCE · Ostrołęka Good
- Kąpielisko nr 1-Summer Playground North · Dąbrówka Excellent Excellent 2 seasons in a row
- Kąpielisko nr 2-Summer Playground East 1 · Dąbrówka Excellent Excellent 2 seasons in a row
- Kąpielisko nr 3-Summer Playground East 2 · Dąbrówka Not classified
- Plaża Miejska w Wyszkowie · Wyszków Not classified
- Zalew Miejski w Makowie Mazowieckim · Maków Mazowiecki Excellent
Płocki 6 sites · 16.7% Excellent
- BRATOSZEWO · Gostynin Excellent Good → Excellent since 2024
- JEZIORO GÓRSKIE (KĄPIELISKO PRZY PLAŻY PATELNIA) · Łąck Good
- Kąpielisko Harcerskiej Bazy Obozowej Lucień w miejscowości Lucień Not classified
- KĄPIELISKO MIEJSKIE SOBÓTKA · Płock Good
- KĄPIELISKO PRZY PLAŻY W SOCZEWCE · Maszewo Duże Not classified
- ZACISZE BIS · Gąbin Not classified
Siedlecki 5 sites · 20% Excellent · 1 Poor
- Kąpielisko Miejskie nad Zalewem Muchawka · Siedlce Poor Poor in 3 of 4 classified seasons
- KĄPIELISKO MIEJSKIE ZALEW NAD LIWCEM K/WĘGROWA · Węgrów Good Sufficient → Good since 2024
- KĄPIELISKO NA RZECE BUG PRZY UL. SZMITA W DROHICZYNIE · Drohiczyn Excellent Excellent 5 seasons in a row
- KĄPIELISKO NA ZBIORNIKU WODNYM RÓWCE GM. ZBUCZYN Not classified
- ZALEW ŁOSICKI · Łosice Sufficient
Ciechanowski 3 sites · 66.7% Excellent
- KĄPIELISKO KRUBIN · Ciechanów Excellent Excellent 5 seasons in a row
- PLAŻA MIEJSKA NAD RZEKĄ NARWIĄ · Pułtusk Excellent Excellent 5 seasons in a row
- Zalew Nowomiejski · Nowe Miasto Not classified
Żyrardowski 1 site · 0% Excellent
- ZALEW ŻYRARDOWSKI · Żyrardów Good
Compared with other voivodeships in Poland
| # | Voivodeship | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Kuyavia-Pomerania | 41 | 75.6% | 0 |
| 2 | Pomerania | 150 | 72.7% | 0 |
| 3 | Warmia-Masuria | 56 | 66.1% | 0 |
| 4 | Greater Poland | 109 | 65.1% | 0 |
| 5 | Lublin | 39 | 61.5% | 4 |
| 6 | West Pomerania | 147 | 61.2% | 0 |
| 7 | Opole | 15 | 60% | 0 |
| 8 | Lubusz | 36 | 55.6% | 0 |
| 9 | Lower Silesia | 23 | 52.2% | 0 |
| 10 | Silesia | 26 | 46.2% | 1 |
| 11 | Masovia (outside Warsaw) | 31 | 38.7% | 1 |
| 12 | Łódź | 24 | 33.3% | 4 |
| 13 | Podlaskie | 21 | 28.6% | 0 |
| 14 | Holy Cross (Świętokrzyskie) | 19 | 26.3% | 2 |
| 15 | Lesser Poland | 20 | 20% | 2 |
Voivodeships with at least 15 official bathing waters. Size, water type and how densely sites are designated differ, so the table is context rather than a verdict.
Quick answers
- How many bathing waters in Masovia (outside Warsaw) were rated Excellent in 2025?
- 12 of 31 (38.7%) in the official EEA 2025 classification; 8 were Good, 1 Sufficient and 1 Poor, and 9 had no class. That ranks Masovia (outside Warsaw) 11 of 15 Poland voivodeships by Excellent share.
- Which subregion of Masovia (outside Warsaw) has the highest share of Excellent sites?
- Radomski: 55.6% of its 9 sites were Excellent in 2025. Ostrołęcki follows with 42.9%. Only subregions with at least five sites are compared; see the full table.
- Which beaches in Masovia (outside Warsaw) have the best long-term record?
- The longest current Excellent run is 5 seasons (KĄPIELISKO KRUBIN).
- Were any bathing waters in Masovia (outside Warsaw) rated Poor?
- Yes, 1: Kąpielisko Miejskie nad Zalewem Muchawka.
- Where do I check whether swimming is allowed today?
- On Serwis Kąpieliskowy (GIS) (State Sanitary Inspection (GIS)). Temporary bans, pollution alerts and closures are published there and on signs at the water, not in the annual EEA class.
Poland overview · All voivodeships of Poland · Bathing waters near Warsaw · Bathing season dates
Sources and method
Bathing-water records: European Environment Agency (EEA), data and coordinates reported by Poland, licensed CC BY 4.0. Region and subregion boundaries: Eurostat NUTS 2024 (© EuroGeographics for the administrative boundaries). Place names: GeoNames (CC BY 4.0). A site belongs to the area that contains its reported coordinates; a site up to 10 km off the generalised coastline is placed in the nearest area of Poland. Counts, shares and rankings are calculated by BathingWaterFinder from the official records.