Water Quality

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Water lab testingOlathe drinking water consistently meets or exceeds all state and federal standards for safe drinking water.

  • Hundreds of tests are run throughout Olathe’s water system, from the water supply source to the tap.
  • The following reports publish the sampling results of Olathe water on an annual basis:

2017 Annual Water Quality Report

2016 Annual Water Quality Report

2015 Annual Water Quality Report

The City of Olathe is committed to delivering clean and safe drinking water. Part of that commitment includes meeting the safe drinking water regulations of the Untied States Environmental Protection Agency (USEPA) and the Kansas Department of Heath and Environment (KDHE). Under the Lead and Copper Rule, the City of Olathe is required to test for lead and copper concentrations across the water system every three years. Please fill out the Water Sampling Survey if you'd like to participate in the test.

Contact Water Quality at OlatheConnect for additional information.






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