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Community Water System · PWS NY2000129

Long Lake WD

Long Lake, New York 12847 - drinking water served from surface water sources to 800 people, tracked in EPA SDWIS and UCMR5.

800
People served
122
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 122 drinking-water violations at Long Lake WD, 5% of them health-based - above the New York per-system average.

122
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
800
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Long Lake WD

Long Lake WD is a local-owned community water system that delivers drinking water to 800 residents in Long Lake, New York (Hamilton County) through 520 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 122 total violations for this system , of which 6 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 116 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Mercury, recorded in 6 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%).

Long Lake WD's 122 violations sit above 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
800
Total Violations
122
Health-Based Violations
6
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
520
County
Hamilton
School/Daycare
No
MCL Violations
0
Monitoring Violations
116
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Mercury MR 6 2017
Antimony, Total MR 6 2017
Beryllium, Total MR 6 2017
Barium MR 6 2017
Lead and Copper Rule MR 6 2017
Arsenic MR 6 2017
Cadmium MR 6 2017
Chromium MR 6 2017
CYANIDE MR 6 2017
Nickel MR 6 2017
Thallium, Total MR 6 2017
Selenium MR 6 2017
Fluoride MR 6 2017
Nitrate MR 5 2019
CARBON, TOTAL MR 4 2004
Coliform (TCR) MR 4 2015
Surface Water Treatment Rule TT 3 2003
TTHM MR 3 2016
Total Haloacetic Acids (HAA5) MR 3 2016
COPPER, FREE TT 3 2015
Toxaphene MR 1 1994
Endrin MR 1 1994
2,4-D MR 1 1994
Atrazine MR 1 1994
LASSO MR 1 1994
Pentachlorophenol MR 1 1994
ETHYLENE DIBROMIDE MR 1 1994
Methoxychlor MR 1 1994
1,2-DIBROMO-3-CHLOROPROPANE MR 1 1994
Total Polychlorinated Biphenyls (PCB) 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 Long Lake WD.

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 NY2000129 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 Long Lake WD 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
2019 Nitrate MR 5 SDWIS / NY2000129 / 1040
2017 Mercury MR 6 SDWIS / NY2000129 / 1035
2017 Antimony, Total MR 6 SDWIS / NY2000129 / 1074
2017 Beryllium, Total MR 6 SDWIS / NY2000129 / 1075
2017 Barium MR 6 SDWIS / NY2000129 / 1010
2017 Lead and Copper Rule MR 6 SDWIS / NY2000129 / 5000
2017 Arsenic MR 6 SDWIS / NY2000129 / 1005
2017 Cadmium MR 6 SDWIS / NY2000129 / 1015
2017 Chromium MR 6 SDWIS / NY2000129 / 1020
2017 CYANIDE MR 6 SDWIS / NY2000129 / 1024
2017 Nickel MR 6 SDWIS / NY2000129 / 1036
2017 Thallium, Total MR 6 SDWIS / NY2000129 / 1085
2017 Selenium MR 6 SDWIS / NY2000129 / 1045
2017 Fluoride MR 6 SDWIS / NY2000129 / 1025
2016 TTHM MR 3 SDWIS / NY2000129 / 2950

How Long Lake WD Compares

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

Metric Long Lake WD New York avg Federal benchmark
Total violations 122 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 800 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 Long Lake WD water safe to drink? ▼
Long Lake WD (PWS ID: NY2000129) has 122 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 800 people using Surface Water sources.
How many people does Long Lake WD serve? ▼
Long Lake WD serves 800 people in Long Lake, New York. It is a Local-owned system using Surface Water water sources with 520 service connections.
What type of violations does Long Lake WD have? ▼
Long Lake WD has 122 total violations: 6 health-based violations (MCL exceedances or treatment failures), 116 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Long Lake WD water? ▼
No PFAS testing data is available for Long Lake WD under the EPA's UCMR5 monitoring program.
What water source does Long Lake WD use? ▼
Long Lake WD 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.

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.