Lead Pipe Map

New York · 39 community water systems

Lead pipes in Nassau County, NY

39 community water systems serving Nassau County reported 11,392 lead and 1,858 galvanized-requiring-replacement service lines, plus 107,447 of unknown material. The most are in WA of Western Nassau.

3.3% of these systems' lines are lead or galvanized requiring replacement, lower than the New York average (7.6%) and about the same as the national average (3.1%).

11,392Lead
1,858Galvanized, replace
107,447Unknown
285,159Non-lead

Water systems serving Nassau County

Water systemLeadGalv.Unknown% leadPeople
WA of Western NassauHempstead4,459448316%120,000
Liberty Utilities New York - LynbrookHempstead4,07819322,6085.5%220,000
Garden City (V)Garden City1,237393,82418%23,272
Hempstead (V)Hempstead1196145,4637.8%56,000
Rockville Centre (V)Rockville Center1864554,3918.9%24,700
Williston Park (V)Williston Park5471723%7,287
Mineola (V)Mineola407704,5238.5%20,600
Glen Cove CityGlen Cove71304652.0%28,000
Roslyn WDRoslyn11142,5041.9%17,000
East Williston (V)East Williston112059713%2,556
Port Washington WDNorth Hempstead9502,2071.0%34,000
Freeport (V)Freeport19489,5050.7%45,000
Manhasset Lakeville WDNorth Hempstead10413200.5%43,000
Liberty Utilities New York - MerrickHempstead32162530.1%135,000
Bethpage WDOyster Bay2710610.4%33,000
Town of Hempstead Water DepartmentHempstead201430,533<0.1%110,000
Old Westbury (V)Old Westbury030432.2%4,700
Garden City Park WDNew Hyde Park1592290.3%18,000
Oyster Bay WDOyster Bay0221,3060.8%8,700
Carle Place WDNorth Hempstead0161,7590.5%9,005
Liberty Utilities New York - Sea CliffSea Cliff2135560.3%13,400
South Farmingdale WDOyster Bay24325<0.1%44,700
Massapequa WDMassapequa Park141,600<0.1%43,000
Jericho WDOyster Bay2373<0.1%58,000
Hicksville WDOyster Bay1471<0.1%48,000
Albertson WDNorth Hempstead32320.1%13,500
West Hempstead WDHempstead4058<0.1%32,031
Westbury WDNorth Hempstead300<0.1%20,500
Lido-Point Lookout WDHempstead201,208<0.1%2,000
Franklin Square WDHempstead103,742<0.1%20,000
Plandome (V)Plandome01180.2%1,600
Glenwood WDOyster Bay0100.5%1,000
Long Beach CityLong Beach008,4200%35,000
Farmingdale (V)Farmingdale002320%8,744
Cathedral Gardens WDHempstead00310%1,500
Plainview WDOyster Bay0000%34,000
Locust Valley WDMill Neck0000%7,500
Bayville (V)Bayville0000%6,700
Sands Point (V)North Hempstead0000%2,900

Systems that also serve other counties are counted in full. Your water bill names your utility.

What to do if your line is lead or unknown

  1. Check the pipe where water enters your home.
  2. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
  3. Test your water, often free through the utility.
  4. Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.

Check another water system

Questions

Does Nassau County have lead pipes?

Yes. Water systems serving Nassau County reported 11,392 lead and 1,858 galvanized-requiring-replacement service lines, plus 107,447 of unknown material.

Which Nassau County water systems have the most lead lines?

WA of Western Nassau (4,463), Liberty Utilities New York - Lynbrook (4,271), Garden City (V) (1,276).

How do I check my home in Nassau County?

Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.