New York · population 31,321
Lead pipes in Harrison, NY
674 lead or galvanized lines to replace
Most of Harrison (population 31,321) gets its water from Westchester Joint Water Works. That system reported 635 lead and 39 galvanized-requiring-replacement service lines out of 15,001, with 9,379 more of unknown material.
4.5% of Westchester Joint Water Works's service lines are lead or galvanized requiring replacement, lower than the New York average (7.6%) and higher than the national average (3.1%).
- Lead 4.2%
- Galvanized (replace) 0.3%
- Unknown 63%
- Non-lead 33%
Latest lead test for Westchester Joint Water Works (Jan 2026–Dec 2028): 3 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Westchester Joint Water Works.
Water systems serving Harrison
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Westchester Joint Water WorksMain system | 635 | 39 | 9,379 | 4.5% |
| White Plains CityServes nearby areas | 0 | 1 | 3,000 | <0.1% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Harrison
The counts above cover the whole water system. To see whether your line is lead, look up your address on Westchester Joint Water Works's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- White Plains1 lead + galv. lines
- Rye Brook1,009 lead + galv. lines
- Port Chester1,009 lead + galv. lines
- Scarsdale78 lead + galv. lines
- Elmsford6 lead + galv. lines
- Rye1,009 lead + galv. lines
- Mamaroneck674 lead + galv. lines
- Ardsley8,082 lead + galv. lines
Check another water system
Questions
Does Harrison, NY have lead pipes?
Yes. Westchester Joint Water Works, which serves Harrison, reported 635 lead and 39 galvanized-requiring-replacement service lines, plus 9,379 of unknown material.
Who supplies water to Harrison?
EPA's service area maps place most of Harrison in Westchester Joint Water Works's service area (PWSID NY5903435). White Plains City also serves parts of the city or nearby areas.
How do I check whether my Harrison home has a lead service line?
Search your address on Westchester Joint Water Works's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Harrison be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Westchester Joint Water Works whether your street is scheduled and whether it covers the private side.