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Community Water System · PWS NY0600393

Hanover WD #1 5&20 Slvr Crk to Catt Crk

Silver Creek, New York 14136 - drinking water served from surface water sources to 2,173 people, tracked in EPA SDWIS and UCMR5.

2,173
People served
26
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 26 drinking-water violations at Hanover WD #1 5&20 Slvr Crk to Catt Crk - below the New York per-system average.

26
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
2,173
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hanover WD #1 5&20 Slvr Crk to Catt Crk

Hanover WD #1 5&20 Slvr Crk to Catt Crk is a local-owned community water system that delivers drinking water to 2,173 residents in Silver Creek, New York (Chautauqua County) through 908 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 26 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 16 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is TTHM, recorded in 8 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%).

Hanover WD #1 5&20 Slvr Crk to Catt Crk's 26 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
2,173
Total Violations
26
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
908
County
Chautauqua
School/Daycare
No
MCL Violations
0
Monitoring Violations
16
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 8 2014
Total Haloacetic Acids (HAA5) MR 8 2014
Consumer Confidence Rule Other 2 1999

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 Hanover WD #1 5&20 Slvr Crk to Catt Crk.

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 NY0600393 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 Hanover WD #1 5&20 Slvr Crk to Catt Crk 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
2014 TTHM MR 8 SDWIS / NY0600393 / 2950
2014 Total Haloacetic Acids (HAA5) MR 8 SDWIS / NY0600393 / 2456
1999 Consumer Confidence Rule Other 2 SDWIS / NY0600393 / 7000

How Hanover WD #1 5&20 Slvr Crk to Catt Crk Compares

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

Metric Hanover WD #1 5&20 Slvr Crk to Catt Crk New York avg Federal benchmark
Total violations 26 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 2,173 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 Hanover WD #1 5&20 Slvr Crk to Catt Crk water safe to drink?
Hanover WD #1 5&20 Slvr Crk to Catt Crk (PWS ID: NY0600393) has 26 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,173 people using Surface Water sources.
How many people does Hanover WD #1 5&20 Slvr Crk to Catt Crk serve?
Hanover WD #1 5&20 Slvr Crk to Catt Crk serves 2,173 people in Silver Creek, New York. It is a Local-owned system using Surface Water water sources with 908 service connections.
What type of violations does Hanover WD #1 5&20 Slvr Crk to Catt Crk have?
Hanover WD #1 5&20 Slvr Crk to Catt Crk has 26 total violations: 0 health-based violations (MCL exceedances or treatment failures), 16 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hanover WD #1 5&20 Slvr Crk to Catt Crk water?
No PFAS testing data is available for Hanover WD #1 5&20 Slvr Crk to Catt Crk under the EPA's UCMR5 monitoring program.
What water source does Hanover WD #1 5&20 Slvr Crk to Catt Crk use?
Hanover WD #1 5&20 Slvr Crk to Catt Crk uses Surface Water 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.
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.