Lake swimming in Croatia: 2025 water quality
Croatia reported 34 lake bathing waters for the 2025 season. 67.6% were classified Excellent — 18.6 points below the 86.2% for all 1,039 bathing waters in the country — and 0 were Poor. Among the 19 countries with at least 30 lake bathing waters, Croatia ranks 18 by Excellent share.
lake bathing waters
Excellent in 2025
Poor in 2025
Find the nearest Excellent lake to you →
Map of lake bathing waters
How lake bathing waters in Croatia 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 | 33 | 23 | 69.7% | 0 |
| 2024 | 33 | 21 | 63.6% | 0 |
| 2023 | 33 | 19 | 57.6% | 0 |
| 2022 | 27 | 9 | 33.3% | 1 |
| 2021 | 26 | 6 | 23.1% | 0 |
| 2020 | 23 | 4 | 17.4% | 0 |
| 2019 | 22 | 6 | 27.3% | 0 |
| 2018 | 22 | 11 | 50% | 0 |
| 2017 | 3 | 3 | 100% | 0 |
| 2016 | 3 | 3 | 100% | 0 |
| 2015 | 3 | 3 | 100% | 0 |
Most consistent Excellent lakes
Ordered by the length of the unbroken Excellent run ending in 2025.
- Bajer Đakovo 5 seasons
- Jarun, Otok Veslača 5 seasons
- jezero Bajer - Poluotok 5 seasons
- Jarun, Malo jezero 5 4 seasons
- Modro jezero, Plaža A 4 seasons
- Modro jezero, Plaža B 4 seasons
- Modro jezero, Skakala 4 seasons
- Modro jezero, Uvala 4 seasons
- Bundek, Veliko jezero istok 3 seasons
- Bundek, Veliko jezero jug 3 seasons
- Bundek, Veliko jezero zapad 3 seasons
- Jarun, Malo jezero 3 3 seasons
- jezero Bajer - Stara plaža 3 seasons
- Motičnjak Laguna A 3 seasons
- Motičnjak Laguna B 3 seasons
- TK Jezero - Ružica grad 1 3 seasons
- TK Jezero - Ružica grad 2 3 seasons
- TK Jezero - Ružica grad 3 3 seasons
- Jarun, Malo jezero 2 2 seasons
- Jarun, Veliko jezero 3 2 seasons
- Jarun, Malo jezero 4 1 season
- jezero Bajer - Čoka 1 season
- jezero Lepenica 1 season
Lakes rated Poor in 2025
None of the 34 lake bathing waters in Croatia was classified Poor in 2025.
Changes from 2024 to 2025
Improved (3)
- Jarun, Malo jezero 4 Good → Excellent
- jezero Bajer - Čoka Good → Excellent
- jezero Lepenica Good → Excellent
Declined (3)
- Jarun, Otok Univerzijade 1 Good → Sufficient
- Jarun, Otok Univerzijade 2 Good → Sufficient
- Jarun, Veliko jezero 2 Excellent → Good
Lake bathing waters by county
| County | Sites | Excellent | Poor |
|---|---|---|---|
| City of Zagreb | 19 | 47.4% | 0 |
| Primorje-Gorski Kotar | 4 | 100% | 0 |
| Split-Dalmatia | 4 | 100% | 0 |
Counties 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:
- Zagreb 19 lake bathing waters within 60 km
Lakes compared across Europe
| # | Country | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Austria | 254 | 96.9% | 1 |
| 2 | Finland | 211 | 95.7% | 0 |
| 3 | Denmark | 123 | 94.3% | 0 |
| 4 | Germany | 1,893 | 91.8% | 3 |
| 5 | Lithuania | 80 | 91.3% | 0 |
| 6 | Czechia | 62 | 90.3% | 0 |
| 7 | Portugal | 49 | 89.8% | 1 |
| 8 | Italy | 673 | 88.4% | 5 |
| 9 | France | 845 | 86.7% | 15 |
| 10 | Switzerland | 135 | 86.7% | 4 |
| 11 | Sweden | 210 | 82.4% | 6 |
| 12 | Estonia | 30 | 80% | 0 |
| 13 | Spain | 109 | 79.8% | 4 |
| 14 | Belgium | 77 | 79.2% | 1 |
| 15 | Netherlands | 587 | 70.5% | 26 |
| 16 | Slovakia | 40 | 70% | 0 |
| 17 | Hungary | 247 | 69.6% | 3 |
| 18 | Croatia | 34 | 67.6% | 0 |
| 19 | Poland | 489 | 60.1% | 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 Croatia are rated Excellent?
- 23 of 34 (67.6%) in the 2025 EEA classification.
- Which lakes in Croatia have the best long-term record?
- The longest current Excellent run is 5 seasons (Bajer Đakovo).
- Can I check current conditions?
- The annual class is not a live status. Current results and bans are published on Sea bathing-water quality (gov.hr → IZOR results). Each site page on BathingWaterFinder also shows a weather forecast, including heavy-rain warnings.
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