PlainWater
States → New York

Community Water System · PWS NY1200256

Hamden Water Dist 2 - Delancey

Hamden, New York 13782 - drinking water served from groundwater sources to 136 people, tracked in EPA SDWIS and UCMR5.

136
People served
66
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 66 drinking-water violations at Hamden Water Dist 2 - Delancey, 9% of them health-based - below the New York per-system average.

66
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
136
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hamden Water Dist 2 - Delancey

Hamden Water Dist 2 - Delancey is a local-owned community water system that delivers drinking water to 136 residents in Hamden, New York (Delaware County) through 62 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 66 total violations for this system , of which 6 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 24 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 21 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. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

Hamden Water Dist 2 - Delancey's 66 violations sit below the New York average.

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
136
Total Violations
66
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
62
County
Delaware
School/Daycare
No
MCL Violations
0
Monitoring Violations
24
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 21 2013
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2014
Consumer Confidence Rule Other 2 1999
Surface Water Treatment Rule TT 2 1992
Nitrate MR 2 2024
Lead and Copper Rule MR 1 2005

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 Hamden Water Dist 2 - Delancey.

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 NY1200256 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 Hamden Water Dist 2 - Delancey 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
2024 Nitrate MR 2 SDWIS / NY1200256 / 1040
2014 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / NY1200256 / 0400
2013 Coliform (TCR) MR 21 SDWIS / NY1200256 / 3100
2005 Lead and Copper Rule MR 1 SDWIS / NY1200256 / 5000
1999 Consumer Confidence Rule Other 2 SDWIS / NY1200256 / 7000
1992 Surface Water Treatment Rule TT 2 SDWIS / NY1200256 / 0200

How Hamden Water Dist 2 - Delancey Compares

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

Metric Hamden Water Dist 2 - Delancey New York avg Federal benchmark
Total violations 66 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 136 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Hamden Water Dist 2 - Delancey water safe to drink? ▼
Hamden Water Dist 2 - Delancey (PWS ID: NY1200256) has 66 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 136 people using Groundwater sources.
How many people does Hamden Water Dist 2 - Delancey serve? ▼
Hamden Water Dist 2 - Delancey serves 136 people in Hamden, New York. It is a Local-owned system using Groundwater water sources with 62 service connections.
What type of violations does Hamden Water Dist 2 - Delancey have? ▼
Hamden Water Dist 2 - Delancey has 66 total violations: 6 health-based violations (MCL exceedances or treatment failures), 24 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hamden Water Dist 2 - Delancey water? ▼
No PFAS testing data is available for Hamden Water Dist 2 - Delancey under the EPA's UCMR5 monitoring program.
What water source does Hamden Water Dist 2 - Delancey use? ▼
Hamden Water Dist 2 - Delancey 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.