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Uranium Testing Results in Public Water

Uranium is a naturally and commonly occurring radioactive element. Because uranium is found everywhere in small amounts, people always take it into the body from the air, water, food, and soil. In most areas of the United States, low levels of uranium are found in the drinking water. Higher levels may be found in areas with elevated levels of naturally occurring uranium in rocks and soil. The maximum contaminant level (MCL) for uranium in drinking water is 30 mcg/L.

Read more about Uranium in Public Water and Health

Measure Description:

  • Public Water Systems - Avg is the number of community water systems that have an annual average concentration of a contaminant in the listed concentration range.
  • Population Served - Avg is the population served by community water systems that have an annual average concentration of a contaminant in the listed concentration range.
  • Public Water Systems - Max is the number of community water systems that have an annual maximum concentration of a contaminant in the listed concentration range.
  • Population Served - Max is the population served by community water systems that have an annual maximum concentration of a contaminant in the listed concentration range.
  • Average Concentration by Public Water System is the average concentration of a contaminant.

Use the tabs to see the different data visualizations.

Measures are defined above the visualization. Additional help can be found in the Help Section.

To download a data table click on the Title Text of the data table, click "Download" on the right below the data visualization, click "Crosstab" from the listed file formats, and click "Download". A '.csv' file will then download and can be opened in a text or spreadsheet application.