How Long Island gets its drinking water?

Most of Long Island's drinking water comes from aquifers, or underground layers of rock and soil that hold water. These aquifers are recharged by rainwater and melted snow that seeps into the ground, and they provide a steady supply of fresh water for the island's residents.

In addition to groundwater, some communities on Long Island also use surface water from reservoirs, rivers, and lakes for drinking water. Surface water is more vulnerable to contamination from pollution, so it must be treated before it can be used for drinking.

The amount of water available from aquifers and surface water sources can vary depending on the amount of rainfall and snowmelt each year. During dry spells, the water levels in aquifers can drop and surface water sources can become depleted, leading to water shortages.

To manage the water supply on Long Island, a number of water conservation and management measures are in place, including:

- Water restrictions: During periods of water shortages, water restrictions may be imposed to limit outdoor watering, washing cars, and other non-essential water use.

- Water conservation: Residents and businesses are encouraged to conserve water by using water-efficient appliances and fixtures, and by making changes to their landscaping and daily routines.

- Water treatment: Surface water must be treated before it can be used for drinking. Treatment processes can include filtration, disinfection, and reverse osmosis.

- Water infrastructure: The water supply system on Long Island includes reservoirs, pumping stations, and water mains that transport water from its sources to homes and businesses.

By managing the water supply carefully, Long Island communities are able to ensure a reliable and safe water supply for residents.