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MIDDLEBRANCH APTS

PWS ID: NY3903715 · MAHOPAC, New York 10541

MIDDLEBRANCH APTS serves 50 people in MAHOPAC, New York using Groundwater water sources. It has 71 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MIDDLEBRANCH APTS

MIDDLEBRANCH APTS is a private-owned community water system that delivers drinking water to 50 residents in MAHOPAC, New York (Putnam County) through 24 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 71 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 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 10 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. MIDDLEBRANCH APTS's 71 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
71
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
24
County
Putnam
School/Daycare
No
MCL Violations
0
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2013
Revised Total Coliform Rule MON 2 2020
Beryllium, Total MR 1 1994
CYANIDE MR 1 1994
Antimony, Total MR 1 1994
Nickel MR 1 1994
Thallium, Total 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 MIDDLEBRANCH APTS.

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 NY3903715 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 MIDDLEBRANCH APTS 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
2020 Revised Total Coliform Rule MON 2 SDWIS / NY3903715 / 8000
2013 Coliform (TCR) MR 10 SDWIS / NY3903715 / 3100
1994 Beryllium, Total MR 1 SDWIS / NY3903715 / 1075
1994 CYANIDE MR 1 SDWIS / NY3903715 / 1024
1994 Antimony, Total MR 1 SDWIS / NY3903715 / 1074
1994 Nickel MR 1 SDWIS / NY3903715 / 1036
1994 Thallium, Total MR 1 SDWIS / NY3903715 / 1085

How MIDDLEBRANCH APTS Compares

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

Metric MIDDLEBRANCH APTS New York avg Federal benchmark
Total violations 71 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 MIDDLEBRANCH APTS water safe to drink?
MIDDLEBRANCH APTS (PWS ID: NY3903715) has 71 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 MIDDLEBRANCH APTS serve?
MIDDLEBRANCH APTS serves 50 people in MAHOPAC, New York. It is a Private-owned system using Groundwater water sources with 24 service connections.
What type of violations does MIDDLEBRANCH APTS have?
MIDDLEBRANCH APTS has 71 total violations: 0 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MIDDLEBRANCH APTS water?
No PFAS testing data is available for MIDDLEBRANCH APTS under the EPA's UCMR5 monitoring program.
What water source does MIDDLEBRANCH APTS use?
MIDDLEBRANCH APTS uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.

Related

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