Lake water quality trophic state in United States of America

United States of America: Lake water quality trophic state was 2.6% in 2021. ▼ Falling

Latest (2021)
2.6%
Change on year
up 105.0%
Rank
9th
of 36 groups
All-time high
3.8%
in 2017
All-time low
1.3%
in 2020
Years of data
5
2017–2021

Lake water quality trophic state in United States of America, 2017–2021

12342017201920212017: 3.8 %2018: 2.9 %2019: 1.5 %2020: 1.3 %2021: 2.6 %

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

Analysis

The most recent figure for lake water quality trophic state in United States of America is 2.6%, measured in 2021.

The figure is up 105.0% on the previous year and down 31.5% over five years.

That places United States of America 9th out of 36 groups with data for 2021, putting it in the top quarter.

Lake water quality trophic state in United States of America, year by year

Annual values for Lake water quality trophic state (%) in United States of America, 2017 to 2021.
Year % Change
2017 3.8%
2018 2.9% -24.7%
2019 1.5% -49.3%
2020 1.3% -12.4%
2021 2.6% +105.0%

Averages by decade

DecadeAverage LowestHighest Years
2010s 2.7% 1.5% 3.8% 3
2020s 2.0% 1.3% 2.6% 2

Countries ranked near United States of America

  1. 6 Togo 7.8% compare
  2. 7 South Sudan 7.1% compare
  3. 8 Kyrgyzstan 7.0% compare
  4. 9 Chile 6.0% compare
  5. 10 Peru 5.8% compare
  6. 11 Mozambique 4.8% compare
  7. 12 Canada 4.3% compare

See the full ranking of 179 places →

More environment data for United States of America

All data for United States of America →

Frequently asked questions

What is lake water quality trophic state in United States of America?
Lake water quality trophic state in United States of America was 2.6% in 2021, according to United Nations Statistics Division, SDG Global Database.
What is the highest lake water quality trophic state recorded in United States of America?
The highest recorded value was 3.8% in 2017.
What is the lowest lake water quality trophic state recorded in United States of America?
The lowest recorded value was 1.3% in 2020.
How does United States of America rank for lake water quality trophic state?
United States of America ranks 9th out of 36 groups with data for 2021.
Where does this United States of America data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Lake water quality trophic state (%). Statizoid updates them automatically from the source API.

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Lake water quality trophic state in United States of America. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 08 September 2026, from https://environment.statizoid.com/stat/lake-water-quality-trophic-state-percent/united-states-of-america/

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About this data

Indicator
Lake water quality trophic state (%)
Unit
%
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
179 places, 895 data points, 2017–2021
Last refreshed