Bathing sites with excellent water quality by country
Share of bathing water sites in lakes or rivers that are of excellent quality. This means contamination levels of certain bacteria are below a strict threshold.
What the numbers show
Bathing sites with excellent water quality is currently reported for 25 countries. The highest value is 100.0% in Romania; the lowest is 33.3% in Albania.
The median across all reporting countries is 79.7%, and the mean is 76.2%.
The gap between the highest and lowest reporting country is a factor of about 3.
Over the past decade 10 countries rose and 11 fell. The largest increase was in Croatia (up 269.6%), and the largest decrease in Estonia (down 16.1%).
Bathing sites with excellent water quality: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Romania | 100.0% | 2025 | unchanged | volatile |
| 1 | Bulgaria | 100.0% | 2025 | unchanged | rising |
| 1 | Greece | 100.0% | 2025 | unchanged | rising |
| 4 | Austria | 96.5% | 2025 | up 7.0% | rising |
| 5 | Finland | 94.7% | 2025 | up 5.0% | rising |
| 6 | Denmark | 94.3% | 2025 | down 1.2% | rising |
| 8 | Germany | 91.5% | 2025 | down 1.7% | rising |
| 9 | Italy | 87.7% | 2025 | down 4.0% | rising |
| 10 | Lithuania | 84.6% | 2025 | down 0.9% | rising |
| 11 | Switzerland | 84.4% | 2025 | up 67.2% | rising |
| 12 | Sweden | 82.1% | 2025 | up 18.4% | rising |
| 13 | Latvia | 80.8% | 2025 | up 26.9% | rising |
| 15 | Czechia | 79.7% | 2025 | up 0.8% | rising |
| 16 | Estonia | 71.4% | 2025 | down 16.1% | rising |
| 17 | France | 71.0% | 2025 | down 1.2% | rising |
| 18 | Netherlands | 70.4% | 2025 | down 4.9% | rising |
| 19 | Belgium | 70.0% | 2025 | down 14.3% | rising |
| 19 | Slovakia | 70.0% | 2025 | up 44.4% | rising |
| 21 | Hungary | 64.0% | 2025 | down 6.8% | rising |
| 22 | Slovenia | 57.1% | 2025 | up 23.8% | rising |
| 23 | Portugal | 56.9% | 2025 | down 10.1% | volatile |
| 24 | Poland | 56.7% | 2025 | down 12.6% | rising |
| 25 | Croatia | 54.8% | 2025 | up 269.6% | volatile |
| 26 | Spain | 53.1% | 2025 | up 2.4% | rising |
| 27 | Albania | 33.3% | 2025 | — | volatile |
About this data
Share of bathing water sites in lakes or rivers that are of excellent quality. This means contamination levels of certain bacteria are below a strict threshold.