About Us

The Water Authority of Western Nassau County is a self-supporting, public benefit corporation operating by virtue of the Public Authorities Law of the State of New York. It is without taxing power and operates as a business enterprise.

The Water Authority is nonprofit and the only revenue that it receives is obtained from the sale of water to its customers and related fees. All revenue received must be used for operating expenses, construction costs and for paying outstanding debts.

The Water Authority has more than 28,000 customers, serving a population of approximately 120,000 in the towns of Hempstead and North Hempstead on Long Island in New York. 

Click Here for a map of our territory...  

Areas Served

The Incorporated Villages of:

  • Bellerose
  • Floral Park
  • New Hyde Park
  • Stewart Manor
  • South Floral Park

Portions of the Incorporated Villages of: 

  • Garden City
  • Valley Stream

The Unincorporated Areas of:

  • Elmont
  • New Hyde Park
  • Floral Park Centre

Portions of the Unincorporated Areas of:

  • Franklin Square
  • North Valley Stream


The Water Authority is subject to the jurisdiction of the following organizations.

Nassau County Department of Health
New York State Department of Health
New York State Department of Environmental Conservation