Is Melville, NY tap water safe?
The short answer
Neither of the 2 utilities serving Melville 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.
South Huntington Water District, which serves the most people here, has 2 results above the health goal. The worst: Lead at 1.3 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 Melville’s ZIP codes, from EPA’s estimates.
- Open report
South Huntington Water District
New York · serves 81,760 people · about 15,400 in Melville
2 results above the health goal. The worst: Lead at 1.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
Dix Hills Water District
New York · serves 34,522 people · about 2,600 in Melville
2 results above the health goal. The worst: Arsenic at 0.91 ppb, above the health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in South Huntington Water District’s water, which serves the most people here. Another utility’s report names what handles its own results.
Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Water testing near Melville
The 3 labs New York certifies closest to Melville, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Certified Laboratories LLC
Melville, NY · under a mile
Certified for bacteria
Pace Analytical Services, LLC - Melville, NY
Melville, NY · under a mile
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Suffolk Co Public Env Health Lab
Hauppauge, NY · about 11 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, PFAS, radioactivity
ZIP codes in Melville
Which ZIP codes are in Melville: 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 Melville
Other towns in Suffolk County with a page of their own.
What to do next
- Read South Huntington Water District’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water