Home › Slovakia
Excellent: 28Good: 2Not classified: 10
✅ Not a single site in Slovakia is rated Poor this season.
✅ The safest bets in Slovakia
Sites that have held the top rating five seasons in a row — not a one-year fluke.
- Zemplínska Šírava - Biela Hora Excellent ✅ Excellent five seasons straight
- Zemplínska Šírava - Medvedia Hora Excellent ✅ Excellent five seasons straight
- Zemplínska Šírava - Paľkov Excellent ✅ Excellent five seasons straight
- Ivanka Pri Dunaji Excellent ✅ Excellent five seasons straight
- Zemplínska Šírava - Hôrka Excellent ✅ Excellent five seasons straight
- Veľká Domaša - Tíšava Excellent ✅ Excellent five seasons straight
- Liptovská Mara Excellent ✅ Excellent five seasons straight
- Veľká Domaša - Valkov Excellent ✅ Excellent five seasons straight
- Zemplínska Šírava - Kamenec Excellent ✅ Excellent five seasons straight
- Veľké Kolpašské Jazero Excellent ✅ Excellent five seasons straight
- Veľké Richnavské Jazero Excellent ✅ Excellent five seasons straight
- Ružín Excellent ✅ Excellent five seasons straight
📈 Turned around
These were rated Poor or Sufficient a few seasons ago and are Excellent today.
- Veľká Domaša - Nová Kelča Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
- Zelená Voda Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
- Slnečné Jazerá - Juh Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
- Vindšachtské Jazero Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
📍 Destinations in Slovakia
Common questions about swimming in Slovakia
Is it safe to swim in Slovakia?
Mostly yes. 93% of Slovakia's 40 officially monitored bathing sites hold the top "Excellent" class in the 2025 assessment, and not a single one is rated Poor.
Which beaches in Slovakia should I avoid?
None. No bathing site in Slovakia carries a Poor classification in the 2025 assessment.
Where is the water cleanest in Slovakia?
14 sites have held the top rating five seasons running — a far better signal than a single good year. Around Bratislava you will find the densest clusters.
How often is water quality tested in Slovakia?
Through the whole bathing season. National sanitary authorities sample each official site for E. coli and intestinal enterococci, report to the European Environment Agency, and the published class reflects the last four seasons combined.
Ratings are the official season-long classification, computed from the last four seasons of sampling — not a live reading. After a storm any site can be temporarily worse; local advisories win.