Bathing water quality in Moravian-Silesian Region, Czechia
Moravian-Silesian Region has 26 official bathing waters in the EEA dataset for the 2025 season (15 river and 11 lake). 65.4% were classified Excellent — 14.3 points below the 79.7% across Czechia — and 0 were Poor. 10 sites have been Excellent in every season from 2015 to 2025.
official bathing waters
Excellent in 2025
Poor in 2025
Map of official bathing waters in Moravian-Silesian Region
Sea, lakes and rivers in Moravian-Silesian Region
| Water type | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Lake | 11 | 10 (90.9%) | 0 | 0 | 0 | 1 |
| River | 15 | 7 (46.7%) | 4 | 3 | 0 | 1 |
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
10 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025.
- ŠTĚRKOVNA HLUČÍN 11 seasons
- STŘÍBRNÉ JEZERO 11 seasons
- VN SLEZSKÁ HARTA - NOVÁ PLÁŇ 11 seasons
- VN TĚRLICKO - PACALŮVKA 11 seasons
- VN TĚRLICKO - POD MOTELEM 11 seasons
- VN TĚRLICKO - TĚRLICKO STŘED 11 seasons
- VN VĚTŘKOVICE 11 seasons
- VN ŽERMANICE - DOLNÍ DOMASLAVICE 11 seasons
- VN ŽERMANICE - LUČINA 11 seasons
- VN ŽERMANICE - SOBĚŠOVICE 11 seasons
- VN OLEŠNÁ - MÍSTEK 9 seasons
- VN OLEŠNÁ - PALKOVICE 9 seasons
- KALIŠOVO JEZERO - PÍSKOVNA 4 seasons
- VRBICKÉ JEZERO - PÍSKOVNA 4 seasons
- LOM - SVOBODNÉ HEŘMANICE 2 seasons
- VN BUDIŠOV NAD BUDIŠOVKOU 1 season
- VN SLEZSKÁ HARTA - LESKOVEC NAD MORAVICÍ 1 season
Rated Poor in 2025
None of the 26 official bathing waters in Moravian-Silesian Region was classified Poor in 2025.
Changes from 2024 to 2025
Improved (2)
- BÍLOVECKÝ RYBNÍK - ÚDOLÍ MLADÝCH Poor → Sufficient
- VN SLEZSKÁ HARTA - LESKOVEC NAD MORAVICÍ Good → Excellent
Declined (3)
- RYBNÍK POD HRADEM Excellent → Good
- RYBNÍK TVRDKOV Excellent → Good
- VN ČERŤÁK Good → Sufficient
How Moravian-Silesian Region 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 | 24 | 17 | 70.8% | 0 |
| 2024 | 23 | 17 | 73.9% | 1 |
| 2023 | 24 | 19 | 79.2% | 0 |
| 2022 | 24 | 18 | 75% | 0 |
| 2021 | 21 | 15 | 71.4% | 0 |
| 2020 | 21 | 17 | 81% | 0 |
| 2019 | 20 | 17 | 85% | 0 |
| 2018 | 20 | 18 | 90% | 0 |
| 2017 | 23 | 21 | 91.3% | 0 |
| 2016 | 20 | 17 | 85% | 0 |
| 2015 | 22 | 17 | 77.3% | 1 |
All 26 official bathing waters in Moravian-Silesian Region
Grouped by water type, alphabetical within each group. Open a site for its 2015–2025 history, nearby alternatives, weather forecast and the national profile link.
Download all 26 sites as CSV (classes 2015–2025, coordinates, nearest place; EEA data, CC BY 4.0)
Lake 11 sites · 90.9% Excellent
- VN OLEŠNÁ - MÍSTEK · Sviadnov Excellent Excellent 9 seasons in a row
- VN OLEŠNÁ - PALKOVICE Excellent Excellent 9 seasons in a row
- VN SLEZSKÁ HARTA - LESKOVEC NAD MORAVICÍ · Horní Benešov Excellent Good → Excellent since 2024
- VN SLEZSKÁ HARTA - NOVÁ PLÁŇ · Bruntál Excellent Excellent 11 seasons in a row
- VN SLEZSKÁ HARTA - ROUDNO · Dvorce Not classified
- VN TĚRLICKO - PACALŮVKA Excellent Excellent 11 seasons in a row
- VN TĚRLICKO - POD MOTELEM Excellent Excellent 11 seasons in a row
- VN TĚRLICKO - TĚRLICKO STŘED Excellent Excellent 11 seasons in a row
- VN ŽERMANICE - DOLNÍ DOMASLAVICE · Lučina Excellent Excellent 11 seasons in a row
- VN ŽERMANICE - LUČINA Excellent Excellent 11 seasons in a row
- VN ŽERMANICE - SOBĚŠOVICE · Lučina Excellent Excellent 11 seasons in a row
River 15 sites · 46.7% Excellent
- BÍLOVECKÝ RYBNÍK - ÚDOLÍ MLADÝCH · Bílovec Sufficient Poor → Sufficient since 2024
- KALIŠOVO JEZERO - PÍSKOVNA · Starý Bohumín Excellent Excellent 4 seasons in a row
- LOM - SVOBODNÉ HEŘMANICE · Jakartovice Excellent Excellent 2 seasons in a row
- RYBNÍK EDROVICE · Rýmařov Sufficient
- RYBNÍK POD HRADEM · Osoblaha Good Excellent → Good since 2024
- RYBNÍK TVRDKOV · Horní Město Good Excellent → Good since 2024
- ŠTĚRKOVNA HLUČÍN Excellent Excellent 11 seasons in a row
- STŘÍBRNÉ JEZERO · Opava Excellent Excellent 11 seasons in a row
- VN BAŠKA Not classified
- VN BRUŠPERK I Good
- VN BUDIŠOV NAD BUDIŠOVKOU Excellent
- VN ČERŤÁK · Starý Jičín Sufficient Good → Sufficient since 2024
- VN KACABAJA · Hodslavice Good
- VN VĚTŘKOVICE · Hukvaldy Excellent Excellent 11 seasons in a row
- VRBICKÉ JEZERO - PÍSKOVNA · Vrbice Excellent Excellent 4 seasons in a row
Compared with other regions in Czechia
| # | Region | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Central Bohemian Region | 16 | 100% | 0 |
| 2 | Moravian-Silesian Region | 26 | 65.4% | 0 |
| 3 | Vysočina Region | 16 | 62.5% | 0 |
Regions 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 Moravian-Silesian Region were rated Excellent in 2025?
- 17 of 26 (65.4%) in the official EEA 2025 classification; 4 were Good, 3 Sufficient and 0 Poor, and 2 had no class. That ranks Moravian-Silesian Region 2 of 3 Czechia regions by Excellent share.
- Which beaches in Moravian-Silesian Region have the best long-term record?
- 10 sites were Excellent in every season from 2015 to 2025, for example ŠTĚRKOVNA HLUČÍN, STŘÍBRNÉ JEZERO, VN SLEZSKÁ HARTA - NOVÁ PLÁŇ. See the ranking.
- Were any bathing waters in Moravian-Silesian Region rated Poor?
- No. None was classified Poor in 2025.
- Where do I check whether swimming is allowed today?
- On Koupání v přírodě (Ministry of Health) (Ministry of Health and the regional public-health stations (KHS)). Temporary bans, pollution alerts and closures are published there and on signs at the water, not in the annual EEA class.
Czechia overview · All regions of Czechia · Bathing season dates
Sources and method
Bathing-water records: European Environment Agency (EEA), data and coordinates reported by Czechia, licensed CC BY 4.0. Region and area 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 Czechia. Counts, shares and rankings are calculated by BathingWaterFinder from the official records.