Helping to Protect and Preserve Long Island’s Water Supply

The Long Island Commission for Aquifer Protection advocates for and provides a coordinated, regional approach to the management of Long Island’s groundwater.

Access all LICAP State of the Aquifer reports.

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Read the Groundwater Resources Management Plan.

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Keep updated with past meeting notes and summaries.

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Take simple steps every day to protect and preserve our water.

What we’re doing

LICAP has developed a blueprint for the effective management of Long Island’s sole source aquifer, identifying mechanisms for improving groundwater quality and preserving its quantity.


Access vital information about your drinking water

WaterTraq, a GIS-based database developed by LICAP, allows Long Islanders to easily and quickly check the quality of both raw groundwater and treated drinking water.

Help save Long Island’s only drinking water source.

Join us in taking easy steps to help conserve our precious drinking water supply.