Annual Water Quality Report Distributed This Week

The City of Sioux Falls will mail the annual Water Quality Report to all postal customers this week. The report’s brochure format was developed to comply with the federal Safe Drinking Water Act reporting requirements.

Sioux Falls drinking water is in compliance with all state and federal drinking water standards.

The 2017 Water Quality Report includes information on the City’s water supply system including:
• The sources of Sioux Falls drinking water that includes both the City Water Purification Plant and the Lewis and Clark Regional Water System.
• The current substances regulated by the Environmental Protection Agency that were detected in the drinking water provided to Sioux Falls water customers in 2017.
• The maximum allowable level of those regulated substances.
• The detected amount of those regulated substances used to determine compliance in Sioux Falls drinking water.

Additional information regarding the City’s water treatment process and water quality can be found at If you have questions about the content of the report or any other concerns about drinking water, contact the Water Purification Plant at 605-373-6950.

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