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Non-Transient Non-Community Water System · PWS NY0902616

Northern Adirondack Cen. Sch.

Ellenburg Depot, New York 12935 - drinking water served from surface water sources to 1,154 people, tracked in EPA SDWIS and UCMR5.

1,154
People served
379
EPA violations
28
Health-based
Untested
UCMR5 result

The verdict

EPA records 379 drinking-water violations at Northern Adirondack Cen. Sch., 7% of them health-based - above the New York per-system average.

379
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
1,154
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Northern Adirondack Cen. Sch.

Northern Adirondack Cen. Sch. is a local-owned non-transient non-community water system that delivers drinking water to 1,154 residents in Ellenburg Depot, New York (Clinton County) through 3 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 379 total violations for this system , of which 28 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 321 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is COPPER, FREE, recorded in 14 violations (TT, health-based). 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%).

Northern Adirondack Cen. Sch.'s 379 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
1,154
Total Violations
379
Health-Based Violations
28
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
3
County
Clinton
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
321
Treatment Tech Violations
28

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
COPPER, FREE TT 14 2009
Lead and Copper Rule MR 14 2016
Arsenic MR 10 2023
Barium MR 10 2023
Cadmium MR 10 2023
Chromium MR 10 2023
CYANIDE MR 10 2023
Fluoride MR 10 2023
Mercury MR 10 2023
Antimony, Total MR 10 2023
Beryllium, Total MR 10 2023
Thallium, Total MR 10 2023
Nickel MR 10 2023
Coliform (TCR) MR 10 2011
Selenium MR 10 2023
1,2,4-Trichlorobenzene MR 8 2023
cis-1,2-Dichloroethylene MR 8 2023
DICHLOROMETHANE MR 8 2023
o-Dichlorobenzene MR 8 2023
p-Dichlorobenzene MR 8 2023
Vinyl chloride MR 8 2023
trans-1,2-Dichloroethylene MR 8 2023
1,2-Dichloroethane MR 8 2023
1,2-Dichloropropane MR 8 2023
Trichloroethylene MR 8 2023
1,1,2-Trichloroethane MR 8 2023
Tetrachloroethylene MR 8 2023
CHLOROBENZENE MR 8 2023
Benzene MR 8 2023
Toluene MR 8 2023

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 Northern Adirondack Cen. Sch..

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 NY0902616 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 Northern Adirondack Cen. Sch. 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
2023 Arsenic MR 10 SDWIS / NY0902616 / 1005
2023 Barium MR 10 SDWIS / NY0902616 / 1010
2023 Cadmium MR 10 SDWIS / NY0902616 / 1015
2023 Chromium MR 10 SDWIS / NY0902616 / 1020
2023 CYANIDE MR 10 SDWIS / NY0902616 / 1024
2023 Fluoride MR 10 SDWIS / NY0902616 / 1025
2023 Mercury MR 10 SDWIS / NY0902616 / 1035
2023 Antimony, Total MR 10 SDWIS / NY0902616 / 1074
2023 Beryllium, Total MR 10 SDWIS / NY0902616 / 1075
2023 Thallium, Total MR 10 SDWIS / NY0902616 / 1085
2023 Nickel MR 10 SDWIS / NY0902616 / 1036
2023 Selenium MR 10 SDWIS / NY0902616 / 1045
2023 1,2,4-Trichlorobenzene MR 8 SDWIS / NY0902616 / 2378
2023 cis-1,2-Dichloroethylene MR 8 SDWIS / NY0902616 / 2380
2023 DICHLOROMETHANE MR 8 SDWIS / NY0902616 / 2964

How Northern Adirondack Cen. Sch. Compares

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

Metric Northern Adirondack Cen. Sch. New York avg Federal benchmark
Total violations 379 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 28 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 1,154 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 Northern Adirondack Cen. Sch. water safe to drink? ▼
Northern Adirondack Cen. Sch. (PWS ID: NY0902616) has 379 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,154 people using Surface Water sources.
How many people does Northern Adirondack Cen. Sch. serve? ▼
Northern Adirondack Cen. Sch. serves 1,154 people in Ellenburg Depot, New York. It is a Local-owned system using Surface Water water sources with 3 service connections.
What type of violations does Northern Adirondack Cen. Sch. have? ▼
Northern Adirondack Cen. Sch. has 379 total violations: 28 health-based violations (MCL exceedances or treatment failures), 321 monitoring/reporting violations, and 28 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Northern Adirondack Cen. Sch. water? ▼
No PFAS testing data is available for Northern Adirondack Cen. Sch. under the EPA's UCMR5 monitoring program.
What water source does Northern Adirondack Cen. Sch. use? ▼
Northern Adirondack Cen. Sch. uses Surface Water 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.
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.