New York · population 3,651
Lead pipes in Islandia, NY
11 lead or galvanized lines to replace
Most of Islandia (population 3,651) gets its water from Suffolk County Water Authority. That system reported 11 lead and 0 galvanized-requiring-replacement service lines out of 396,459, with 54 more of unknown material.
<0.1% of Suffolk County Water Authority's service lines are lead or galvanized requiring replacement, lower than the New York average (7.6%) and lower than the national average (3.1%).
- Lead <0.1%
- Galvanized (replace) 0%
- Unknown <0.1%
- Non-lead 100%
Latest lead test for Suffolk County Water Authority (Jan 2025–Dec 2027): 1.3 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 Suffolk County Water Authority.
Water systems serving Islandia
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Suffolk County Water AuthorityMain system | 11 | 0 | 54 | <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 Islandia
The counts above cover the whole water system. To see whether your line is lead, look up your address on Suffolk County Water Authority'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
- Village of the Branch11 lead + galv. lines
- Lake Grove11 lead + galv. lines
- Head of the Harbor11 lead + galv. lines
- Nissequogue11 lead + galv. lines
- Brightwaters11 lead + galv. lines
- Patchogue11 lead + galv. lines
- Port Jefferson11 lead + galv. lines
- Babylon11 lead + galv. lines
Check another water system
Questions
Does Islandia, NY have lead pipes?
Yes. Suffolk County Water Authority, which serves Islandia, reported 11 lead and 0 galvanized-requiring-replacement service lines, plus 54 of unknown material.
Who supplies water to Islandia?
EPA's service area maps place most of Islandia in Suffolk County Water Authority's service area (PWSID NY5110526).
How do I check whether my Islandia home has a lead service line?
Search your address on Suffolk County Water Authority'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 Islandia 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 Suffolk County Water Authority whether your street is scheduled and whether it covers the private side.