River swimming in Czechia: 2025 water quality
Czechia reported 91 river bathing waters for the 2025 season. 72.5% were classified Excellent — 7.2 points below the 79.7% for all 153 bathing waters in the country — and 0 were Poor. 38 sites have been Excellent in every season from 2015 to 2025. Among the 8 countries with at least 30 river bathing waters, Czechia ranks 2 by Excellent share.
river bathing waters
Excellent in 2025
Poor in 2025
Find the nearest Excellent river to you →
Map of river bathing waters
How river bathing waters in Czechia 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 | 85 | 66 | 77.6% | 0 |
| 2024 | 84 | 68 | 81% | 1 |
| 2023 | 84 | 69 | 82.1% | 0 |
| 2022 | 86 | 70 | 81.4% | 0 |
| 2021 | 82 | 69 | 84.1% | 0 |
| 2020 | 82 | 68 | 82.9% | 0 |
| 2019 | 80 | 64 | 80% | 0 |
| 2018 | 80 | 66 | 82.5% | 0 |
| 2017 | 80 | 66 | 82.5% | 0 |
| 2016 | 81 | 68 | 84% | 0 |
| 2015 | 78 | 62 | 79.5% | 1 |
Most consistent Excellent rivers
38 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025; the first 60 are shown.
- DACHOVA U HOŘIC 11 seasons
- JEZERO KONĚTOPY 11 seasons
- JEZERO MICHAL SOKOLOV 11 seasons
- JEZERO PODĚBRADY 11 seasons
- KAMENCOVÉ JEZERO 11 seasons
- KAMENNÝ RYBNÍK 11 seasons
- KOUPALIŠTĚ KRISTÝNA 11 seasons
- KOUPALIŠTĚ LULEČ 11 seasons
- KOUPALIŠTĚ SEDMIHORKY 11 seasons
- KOUPALIŠTĚ VE VOLNÉ PŘÍRODĚ HOSTIVAŘ 11 seasons
- KOUPALIŠTĚ VE VOLNÉ PŘÍRODĚ MOTOL 11 seasons
- MALÝ PAŘEZITÝ RYBNÍK 11 seasons
- OBORSKÝ RYBNÍK 11 seasons
- OBORSKÝ RYBNÍK - U RZ EDEN 11 seasons
- PÍSNÍK BAKOV NAD JIZEROU 11 seasons
- PÍSNÍK BŘEZHRAD 11 seasons
- PÍSNÍK HRADIŠŤKO 11 seasons
- PÍSNÍK LHOTA 11 seasons
- PŘÍBRAM - NOVÝ RYBNÍK 11 seasons
- PŘÍRODNÍ KOUPALIŠTĚ ALBATROS 11 seasons
- RYBNÍK BABYLON 11 seasons
- RYBNÍK HLUBOKÝ 11 seasons
- RYBNÍK MEDLOV 11 seasons
- ŠTĚRKÁČ OTROKOVICE 11 seasons
- ŠTĚRKOVNA HLUČÍN 11 seasons
- STŘÍBRNÉ JEZERO 11 seasons
- SUCHÝ RYBNÍK 11 seasons
- VELKÝ BOLEVECKÝ RYBNÍK - HRÁZ 11 seasons
- VELKÝ BOLEVECKÝ RYBNÍK - OSTENDE 11 seasons
- VELKÝ RYBNÍK 11 seasons
- VN LUČINA 11 seasons
- VN MŠENO - PLÁŽ "U KIOSKU" 11 seasons
- VN MŠENO - PLÁŽ "U PRUTU" 11 seasons
- VN PALAVA 11 seasons
- VN PILSKÁ 11 seasons
- VN VĚTŘKOVICE 11 seasons
- VN VRBENSKÝ - KEMP MATYLDA 11 seasons
- ZBYTKOVÁ JÁMA DOLU BENEDIKT 11 seasons
- LOM HORNÍ CEREKEV 10 seasons
- KOUPALIŠTĚ NOVÉ MĚSTO POD SMRKEM 9 seasons
- VN VŠEMINA 9 seasons
- SENECKÝ RYBNÍK 8 seasons
- VN TATROVICE 8 seasons
- VN BŘEZINA 7 seasons
- VN SEDLICE 7 seasons
- PAHRBEK NAPAJEDLA 6 seasons
- VELKÝ PAŘEZITÝ RYBNÍK 6 seasons
- ZBYTKOVÁ JÁMA DOLU VARVAŽOV 6 seasons
- BŘEVNICKÁ NÁDRŽ 5 seasons
- RYBNÍK CHMELAŘ 5 seasons
- KALIŠOVO JEZERO - PÍSKOVNA 4 seasons
- NOVÝ HROZENKOV 4 seasons
- VRBICKÉ JEZERO - PÍSKOVNA 4 seasons
- LIDO HAMRNÍKY MARIÁNSKÉ LÁZNĚ 3 seasons
- PODĚBRADY - PLANÉ LOUČKY 3 seasons
- RYBNÍK HEJTMAN 3 seasons
- ŠÍDLOVSKÝ RYBNÍK 3 seasons
- CHLUMECKÝ RYBNÍK 2 seasons
- LOM - SVOBODNÉ HEŘMANICE 2 seasons
- RYBNÍK KACHLIČKA 2 seasons
Rivers rated Poor in 2025
None of the 91 river bathing waters in Czechia was classified Poor in 2025.
Changes from 2024 to 2025
Improved (3)
- BÍLOVECKÝ RYBNÍK - ÚDOLÍ MLADÝCH Poor → Sufficient
- PODĚBRADY - U PŘÍSTAVIŠTĚ Good → Excellent
- VELHARTICE RYBNÍK BUŠEK Good → Excellent
Declined (6)
- RYBNÍK POD HRADEM Excellent → Good
- RYBNÍK TVRDKOV Excellent → Good
- VN BYSTŘIČKA - U PLÁŽE Excellent → Good
- VN ČERŤÁK Good → Sufficient
- VN HORNÍ BEČVA Excellent → Good
- VN TRNÁVKA - PETRAČKA Excellent → Good
River bathing waters by region
| Region | Sites | Excellent | Poor |
|---|---|---|---|
| Moravian-Silesian Region | 15 | 46.7% | 0 |
| Vysočina Region | 14 | 57.1% | 0 |
| Central Bohemian Region | 6 | 100% | 0 |
Regions with at least three river 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:
- Prague 11 river bathing waters within 60 km
Rivers compared across Europe
| # | Country | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Germany | 37 | 73% | 0 |
| 2 | Czechia | 91 | 72.5% | 0 |
| 3 | Netherlands | 78 | 69.2% | 4 |
| 4 | Portugal | 118 | 43.2% | 8 |
| 5 | France | 444 | 41% | 62 |
| 6 | Poland | 100 | 40% | 10 |
| 7 | Spain | 164 | 35.4% | 28 |
| 8 | Hungary | 45 | 33.3% | 1 |
Countries with at least 30 river 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 river bathing waters in Czechia are rated Excellent?
- 66 of 91 (72.5%) in the 2025 EEA classification.
- Which rivers in Czechia have the best long-term record?
- 38 sites were Excellent in every season from 2015 to 2025, for example DACHOVA U HOŘIC, JEZERO KONĚTOPY, JEZERO MICHAL SOKOLOV. See the full list.
- Can I check current conditions?
- The annual class is not a live status. Current results and bans are published on Koupání v přírodě (Ministry of Health). Each site page on BathingWaterFinder also shows a weather forecast, including heavy-rain warnings.
← Czechia overview · lakes in Czechia · All Czechia bathing waters · How the classes work