Is Seaford, NY tap water safe?
The short answer
1 of the 2 utilities serving Seaford has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and New York’s records: Liberty Utilities New York - Merrick.
Liberty Utilities New York - Merrick, which serves the most people here, has 1 result above EPA’s health benchmark. The worst: Lithium at 139 ppb, above EPA’s health benchmark. A health benchmark is a level EPA screens with, not a legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Seaford’s ZIP codes, from EPA’s estimates.
- Open report
Liberty Utilities New York - Merrick
New York · serves 135,000 people · about 14,400 in Seaford
1 result above EPA’s health benchmark. The worst: Lithium at 139 ppb, above EPA’s health benchmark.
3 health-based violations since 2016
- Open report
South Farmingdale WD
New York · serves 44,700 people · about 880 in Seaford
2 results above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
Water testing near Seaford
The 3 labs New York certifies closest to Seaford, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Nassau County Dept of Health
Hempstead, NY · about 7 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
EMSL Analytical, Inc.
Carle Place, NY · about 8 miles
Certified for bacteria, lead and copper, asbestos
Certified Laboratories LLC
Melville, NY · about 8 miles
Certified for bacteria
ZIP codes in Seaford
Which ZIP codes are in Seaford: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: NYS Environmental Laboratory Approval Program (ELAP), drinking water labs, as listed in TNI LAMS; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Seaford
Other towns in Nassau County with a page of their own.
What to do next
- Read Liberty Utilities New York - Merrick’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water