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MAHOPAC VILLAGE CENTER

PWS ID: NY3906107 · TARRYTOWN, New York 10591

MAHOPAC VILLAGE CENTER serves 50 people in TARRYTOWN, New York using Groundwater water sources. It has 562 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MAHOPAC VILLAGE CENTER

MAHOPAC VILLAGE CENTER is a private-owned non-transient non-community water system that delivers drinking water to 50 residents in TARRYTOWN, New York (Putnam County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 562 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 462 monitoring and reporting violations are on file. The most recent violation on record dates to 2001.

The most frequently cited contaminant at this system is Carbon tetrachloride, recorded in 23 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. MAHOPAC VILLAGE CENTER's 562 violations sit above the New York average. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
50
Total Violations
562
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
10
County
Putnam
School/Daycare
No
MCL Violations
0
Monitoring Violations
462
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Carbon tetrachloride MR 23 2001
1,1,1-Trichloroethane MR 23 2001
1,2-Dichloroethane MR 23 2001
trans-1,2-Dichloroethylene MR 23 2001
Vinyl chloride MR 23 2001
Styrene MR 23 2001
1,1,2-Trichloroethane MR 23 2001
Trichloroethylene MR 23 2001
1,1-Dichloroethylene MR 23 2001
p-Dichlorobenzene MR 23 2001
DICHLOROMETHANE MR 23 2001
1,2,4-Trichlorobenzene MR 23 2001
Ethylbenzene MR 23 2001
o-Dichlorobenzene MR 23 2001
Toluene MR 23 2001
Benzene MR 23 2001
CHLOROBENZENE MR 23 2001
Tetrachloroethylene MR 23 2001
1,2-Dichloropropane MR 23 2001
cis-1,2-Dichloroethylene MR 23 2001
Nitrate MR 1 1995
Lead and Copper Rule MR 1 1994

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for MAHOPAC VILLAGE CENTER.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NY3906107 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New York Drinking Water Authority

New York State Department of Health — Public Water Systems is the primacy agency that licenses and inspects MAHOPAC VILLAGE CENTER under EPA-delegated authority.

Open NY regulator portal

Source: New York State Department of Health — Public Water Systems

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2001 Carbon tetrachloride MR 23 SDWIS / NY3906107 / 2982
2001 1,1,1-Trichloroethane MR 23 SDWIS / NY3906107 / 2981
2001 1,2-Dichloroethane MR 23 SDWIS / NY3906107 / 2980
2001 trans-1,2-Dichloroethylene MR 23 SDWIS / NY3906107 / 2979
2001 Vinyl chloride MR 23 SDWIS / NY3906107 / 2976
2001 Styrene MR 23 SDWIS / NY3906107 / 2996
2001 1,1,2-Trichloroethane MR 23 SDWIS / NY3906107 / 2985
2001 Trichloroethylene MR 23 SDWIS / NY3906107 / 2984
2001 1,1-Dichloroethylene MR 23 SDWIS / NY3906107 / 2977
2001 p-Dichlorobenzene MR 23 SDWIS / NY3906107 / 2969
2001 DICHLOROMETHANE MR 23 SDWIS / NY3906107 / 2964
2001 1,2,4-Trichlorobenzene MR 23 SDWIS / NY3906107 / 2378
2001 Ethylbenzene MR 23 SDWIS / NY3906107 / 2992
2001 o-Dichlorobenzene MR 23 SDWIS / NY3906107 / 2968
2001 Toluene MR 23 SDWIS / NY3906107 / 2991

How MAHOPAC VILLAGE CENTER Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric MAHOPAC VILLAGE CENTER New York avg Federal benchmark
Total violations 562 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 50 2,383 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 8,098 regulated public water systems in New York.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is MAHOPAC VILLAGE CENTER water safe to drink? ▼
MAHOPAC VILLAGE CENTER (PWS ID: NY3906107) has 562 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does MAHOPAC VILLAGE CENTER serve? ▼
MAHOPAC VILLAGE CENTER serves 50 people in TARRYTOWN, New York. It is a Private-owned system using Groundwater water sources with 10 service connections.
What type of violations does MAHOPAC VILLAGE CENTER have? ▼
MAHOPAC VILLAGE CENTER has 562 total violations: 0 health-based violations (MCL exceedances or treatment failures), 462 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MAHOPAC VILLAGE CENTER water? ▼
No PFAS testing data is available for MAHOPAC VILLAGE CENTER under the EPA's UCMR5 monitoring program.
What water source does MAHOPAC VILLAGE CENTER use? ▼
MAHOPAC VILLAGE CENTER uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial