Lake water quality turbidity in Portugal

Portugal: Lake water quality turbidity was 19.1% in 2021. β–² Rising

Latest (2021)
19.1%
Change on year
up 118.4%
World rank
49th
of 132 countries
All-time high
19.1%
in 2021
All-time low
7.5%
in 2018
Years of data
5
2017–2021

Lake water quality turbidity in Portugal, 2017–2021

051015202017201920212017: 9.1 %2018: 7.5 %2019: 14.6 %2020: 8.7 %2021: 19.1 %

Source: United Nations Statistics Division, SDG Global Database. Measured in %.

Analysis

Portugal recorded 19.1% for lake water quality turbidity in 2021. That is the highest value across all 5 years on record.

Compared with earlier readings it is up 118.4% on the previous year and up 109.4% over five years.

That places Portugal 49th out of 132 countries with data for 2021, putting it in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2010s 10.4% 7.5% 14.6% 3
2020s 13.9% 8.7% 19.1% 2

Countries ranked near Portugal

  1. 46 Estonia 19.8% compare
  2. 47 Panama 19.7% compare
  3. 48 Myanmar 19.5% compare
  4. 50 Croatia 18.6% compare
  5. 51 Poland 18.1% compare
  6. 52 Australia 17.9% compare

See the full ranking of 170 places β†’

More environment data for Portugal

All data for Portugal β†’

Frequently asked questions

What is lake water quality turbidity in Portugal?
Lake water quality turbidity in Portugal was 19.1% in 2021, according to United Nations Statistics Division, SDG Global Database.
What is the highest lake water quality turbidity recorded in Portugal?
The highest recorded value was 19.1% in 2021.
What is the lowest lake water quality turbidity recorded in Portugal?
The lowest recorded value was 7.5% in 2018.
How does Portugal rank for lake water quality turbidity?
Portugal ranks 49th out of 132 countries with data for 2021.
Where does this Portugal data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Lake water quality turbidity (%). Statizoid updates them automatically from the source API.

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CSV Β· JSON β€” 5 observations, free to reuse under UN SDG Global Database (open, attribution requested).

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Lake water quality turbidity in Portugal. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 16 August 2026, from https://environment.statizoid.com/stat/lake-water-quality-turbidity-percent/portugal/

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About this data

Indicator
Lake water quality turbidity (%)
Unit
%
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
170 places, 850 data points, 2017–2021
Last refreshed