Waukesha Water Utility

Waukesha, WI
WI2680238

Contaminants Exceeding Limits

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

  • CO

    Combined Radium (-226 & -228)

    Radium-226 and -228 are radioactive elements that enter water from eroding rock and soil. These naturally occurring contaminants increase the risk of cancer.

    5.846 pci/l
    EPA limit 5.000 pci/l
  • 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.

    9.656 mrem/yr
    EPA limit 4.000 mrem/yr
  • ST

    Strontium

    Strontium is a metal found in rocks and soil that can enter water through erosion or industrial discharge. It can replace calcium in bones, affecting bone health.

    19.576 ppm
    EPA limit 1.500 ppm

Other Contaminants Detected

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

Antimony

1 detection
Avg Result:0.035 ppb
Limit:6.000 ppb

Arsenic

3 detections
Avg Result:0.446 ppb
Limit:10.000 ppb

Barium

20 detections
Avg Result:0.084 ppm
Limit:2.000 ppm

Bromodichloromethane

22 detections
Avg Result:3.006 ppb
Limit:80.000 ppb

Bromoform

13 detections
Avg Result:0.715 ppb
Limit:80.000 ppb

Chlorate

12 detections
Avg Result:81.737 ppb
Limit:210.000 ppb
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Contaminants tested

Contaminants that have been tested but not detected

Summary

People Served
70.7K
Groundwater
Waukesha County
Data from 2014-2023
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