MAHOPAC, New York Tap Water Quality

10,190 people served · 18 water systems

Excellent

MAHOPAC, New York is a small city with 10,190 residents served by a network of 18 public water systems. Water service covers ZIP code 10541.

MAHOPAC's drinking water utilities have maintained full EPA compliance over the most recent five-year reporting window — no health-based MCL exceedances have been recorded.

Last updated: 2026-05-18 · Source: EPA SDWIS

Location

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Centered on ZIP-code centroids of water systems serving this city.

ZIP Codes Served

10541

Health-Based Violations (Last 5 Years)

EPA Maximum Contaminant Level exceedances reported by water systems serving MAHOPAC. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.

✅

No health-based violations in the last 5 years.

MAHOPAC's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.

Water Systems Serving MAHOPAC

CARMEL WD 3

PWSID: NY3903642

1,350 served

CARMEL WD 2

PWSID: NY3903641

5,000 served

CARMEL WD 5

PWSID: NY3905698

150 served

CARMEL WD 4

PWSID: NY3905675

450 served

CARMEL WD 6-SHELL VALLEY

PWSID: NY3905709

200 served

CARMEL WD 14

PWSID: NY3905700

400 served

CARMEL WD 12

PWSID: NY3921719

300 served

CARMEL WD 8

PWSID: NY3903644

1,000 served

CARMEL WD 9

PWSID: NY3903648

400 served

CARMEL WD 6-TOMAHAWK CREEK

PWSID: NY3909761

50 served

CARMEL WD 7

PWSID: NY3905697

300 served

WHITE SAIL CONDOMINIUM W.S.

PWSID: NY3922189

85 served

CARPENTER TRAILER PARK

PWSID: NY3915411

100 served

WATER CLUB CONDOMINIUMS W.S.

PWSID: NY3903718

75 served

SHORE ESTATES OWNERS ASSOC INC

PWSID: NY3903649

60 served

LAKE PROPERTIES

PWSID: NY3902003

20 served

YORKVIEW ESTATES W S INC

PWSID: NY3903651

200 served

MIDDLEBRANCH APTS

PWSID: NY3903715

50 served

What Can You Do?

✅ Request your utility's annual Consumer Confidence Report (CCR) — required by law.
✅ Use an NSF-certified water filter if violations involve lead, arsenic, or PFAS.
✅ Run cold water for 30 seconds before drinking if you have older plumbing (reduces lead).
✅ Check back monthly — we update data from the EPA every 30 days.

About this data

This overview reflects EPA SDWIS data published as of 2026-05-18. It covers active Community Water Systems (CWS) that remained within federal Maximum Contaminant Levels during the past five-year EPA reporting window. For up-to-the-minute information, request a current Consumer Confidence Report from your utility, or review the EPA's public dashboard.

Frequently Asked Questions

Is MAHOPAC, New York tap water safe to drink?▼

This city's water had no EPA health-based violations in the last 5 years.

How many EPA violations does MAHOPAC have?▼

MAHOPAC has 0 EPA health-based water violations in the last 5 years across 18 water systems serving 10,190 people.

Should I use a water filter in MAHOPAC?▼

Using an NSF-certified water filter is recommended if your area has violations involving lead, arsenic, or PFAS. For other contaminants, consult your local water utility. Check the annual Consumer Confidence Report (CCR) for detailed guidance.

What should I do if there are violations in MAHOPAC?▼

Request your water utility's annual Consumer Confidence Report (CCR), which is required by the EPA. Follow the utility's guidance on boil water advisories. Run cold water for 30 seconds before drinking if you have older plumbing. Use an NSF-certified filter if needed based on your water system's violations.