Is Lake Mohegan, NY tap water safe?
The short answer
1 of the 2 utilities serving Lake Mohegan 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: Yorktown Consold. Water Dist.#1.
Yorktown Consold. Water Dist.#1, which serves the most people here, has 1 result above the legal limit, 1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: Haloacetic acids (HAA5) at 37 ppb, above the 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 Lake Mohegan’s ZIP codes, from EPA’s estimates.
- Open report
Yorktown Consold. Water Dist.#1
New York · serves 36,000 people · about 3,600 in Lake Mohegan
1 result above the legal limit, 1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: Haloacetic acids (HAA5) at 37 ppb, above the legal limit.
4 health-based violations since 2016
- Open report
Cortlandt Consolidated WD
New York · serves 28,369 people · about 730 in Lake Mohegan
2 results above the health goal. The worst: Lead at 1.4 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 Yorktown Consold. Water Dist.#1’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOA, Lead
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Water testing near Lake Mohegan
The 3 labs New York certifies closest to Lake Mohegan, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Yorktown Medical Laboratory Inc.
Yorktown Heights, NY · about 3 miles
Certified for bacteria, nitrate, lead and copper
Westchester Co Labs and Research
Valhalla, NY · about 17 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS
EAS Inc. - Eastern Analytical Services Inc.
Elmsford, NY · about 18 miles
Certified for lead and copper, asbestos
Which ZIP codes are in Lake Mohegan: 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 Lake Mohegan
Other towns in Westchester County with a page of their own.
What to do next
- Read Yorktown Consold. Water Dist.#1’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Haloacetic acids (HAA5)What it does to health, where it comes from, and the certification claim that addresses it.About Haloacetic acids (HAA5)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water