The Manhasset-Lakeville Water District serves 10,000 residential
and 600 commercial customers in a 10.2 square mile area.
The estimated population within the District is 45,000
The District's average annual pumpage is 2.49 billion gallons.
Average daily winter usage is 5.0 million gallons.
Average daily summer usage is 13.0 million gallons.
Average daily usage is 7.4 million gallons.
Maximum daily usage has topped 18.3 million gallons.
In case of an emergency, the District has six interconnections with
our neighboring districts.... Port Washington, the Water
Authority of Great Neck North, Albertson, Garden City
Park and the Western Nassau Water Authority.
Every gallon of water consumed by District users is metered and
recorded by computer and billed accordingly.
The Manhasset-Lakeville Water District is one of the oldest
public water suppliers on Long Island, having been
established in 1911.
North Shore University Hospital is the largest water user in the
The Manhasset-Lakeville Water District is served by 18
wells, six treatment plants, two elevated storage tanks,
two underground storage tanks and 20 employees.
All of our water comes from underground wells. Unlike New York
City, Long Island does not use reservoir water nor have
a surface water system.
Manhasset Lakeville Water District
The Water and Fire District welcomes their newly elected
Commissioner Steve Flynn
BOARD OF WATER COMMISSIONERS
Mark S. Sauvigne, Chairman
Brian J. Morris, Treasurer
Steve Flynn, Secretary
Paul J. Schrader, P.E.
DEC ORDERS LOCKHEED MARTIN TO IMMEDIATELY CONDUCT EXPANDED
INVESTIGATION AND EXPEDITED CLEANUP OF UNISYS SITE FOLLOWING RADIUM
Recent Results from DEC Oversight Revealed
Detections of Radium in Soil on Company Property
DEC and DOH
Find Contamination Poses No Threat to Drinking Water or the Public
DEC Will Identify Long Island Industrial Facilities with
Potential for Past Radioactive Material Use and Waste
Information on the unregulated contaminant Dioxane can be found
L.I. Water Conference Assures High Water Quality
The Long Island Water Conference assures residents that
there has been no lead contamination in their water supply for
over 30 years. All Long Island water providers exhaustively test
and treat for lead content. To ensure the water supply is not
contaminated with lead, all Long Island water suppliers comply
with the United States Environmental Protection Agency’s (USEPA)
Lead and Copper Rule and treat the water by raising the pH to
help prevent the leaching of lead from household pipes and