Sioux Falls

Sioux Falls, SD
SD4600294

Contaminants Exceeding Limits

The following contaminants have exceeded the guideline limits at least once in the past ten years.

  • GR

    Gross Beta Particle Activity

    Gross Beta Particle Activity measures radioactivity from beta-emitting particles in water. Sources include nuclear facilities and certain minerals. It increases cancer risk.

    4.600 mrem/yr
    EPA limit 4.000 mrem/yr

Other Contaminants Detected

The following contaminants have been detected, but not exceeded the guideline limits in the past ten years.

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Contaminants tested

Contaminants that have been tested but not detected

Summary

People Served
198.5K
Surface Water
Minnehaha County
Data from 2014-2024

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