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Water Quality Testing and Compliance

Public water systems, typically defined as serving over 25 people, are required to maintain certain water quality standards. Testing and analysis are conducted at regular intervals to ensure that the water delivered to a system's customers is up to the appropriate standards. Below are links to compliance reports for water systems in Delaware and resources that provide information on the standards for these systems.

Fluoride in Your Drinking Water

The addition of fluoride to public water supplies is considered one of the 10 great public health achievements of the 20th century by the Centers for Disease Control and Prevention (CDC). The addition of fluoride significantly reduces the occurrence of tooth decay in the population served by public water systems. The information below can answer questions related to fluoride in drinking water and help determine if it’s added by your water supplier.

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