Bathing sites with excellent water quality in Switzerland

Switzerland: Bathing sites with excellent water quality was 84.4% in 2025. β–² Rising

Latest (2025)
84.4%
Change on year
up 1.5%
World rank
11th
of 27 countries
All-time high
84.4%
in 2025
All-time low
10.1%
in 2012
Years of data
17
2009–2025

Bathing sites with excellent water quality in Switzerland, 2009–2025

204060802009201720252009: 84 %2010: 65.6 %2011: 37.2 %2012: 10.1 %2013: 73.1 %2014: 61 %2015: 50.5 %2016: 62.8 %2017: 61.1 %2018: 75 %2019: 82.1 %2020: 72 %2021: 82.5 %2022: 78.1 %2023: 74.5 %2024: 83.1 %2025: 84.4 %

Source: European Environment Agency (2026) – with major processing by Our World in Data. Measured in %.

Analysis

The most recent figure for bathing sites with excellent water quality in Switzerland is 84.4%, measured in 2025. That is the highest value across all 17 years on record.

The figure is up 1.5% on the previous year and up 67.2% over ten years.

Over the whole period, bathing sites with excellent water quality in Switzerland peaked at 84.4% in 2025 and was at its lowest, 10.1%, in 2012.

That places Switzerland 11th out of 27 countries with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently rising across the 17 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
2000s 84.0% 84.0% 84.0% 1
2010s 57.8% 10.1% 82.1% 10
2020s 79.1% 72.0% 84.4% 6

Countries ranked near Switzerland

  1. 8 Germany 91.5% compare
  2. 9 Italy 87.7% compare
  3. 10 Lithuania 84.6% compare
  4. 12 Sweden 82.1% compare
  5. 13 Latvia 80.8% compare
  6. 14 Ireland 80.0% compare

See the full ranking of 27 places β†’

More environment data for Switzerland

All data for Switzerland β†’

Frequently asked questions

What is bathing sites with excellent water quality in Switzerland?
Bathing sites with excellent water quality in Switzerland was 84.4% in 2025, according to European Environment Agency (2026) – with major processing by Our World in Data.
What is the highest bathing sites with excellent water quality recorded in Switzerland?
The highest recorded value was 84.4% in 2025.
What is the lowest bathing sites with excellent water quality recorded in Switzerland?
The lowest recorded value was 10.1% in 2012.
How does Switzerland rank for bathing sites with excellent water quality?
Switzerland ranks 11th out of 27 countries with data for 2025.
Is bathing sites with excellent water quality rising or falling in Switzerland?
Over the last ten years it is up 67.2%. The long-run trend across the full record is rising.
Where does this Switzerland data come from?
The figures come from European Environment Agency (2026) – with major processing by Our World in Data, published as part of Bathing sites with excellent water quality. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 17 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Bathing sites with excellent water quality
Unit
%
Source
European Environment Agency (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
27 places, 710 data points, 1992–2025
Last refreshed

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.