Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

Potable Water Program

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  • GAC Filter System for Private Wells

    GAC filter systems are used to remove semi-volatile and volatile organic compounds (such as those found in gasoline, heating oil, and chlorinated solvents), as well as some pesticides, from polluted drinking water. Explanation of how these systems work, maintenance, and monitoring of GAC systems.

  • Potable Water Program

    The Potable Water Program assists individuals whose private or public drinking water supply wells may be at risk of becoming contaminated or have become contaminated as a result of human activity. Many resources are included on this page.