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TILLSON ESTATES COMM. ASSOC.

PWS ID: NY5503385 · TILLSON, New York 12486-0263

TILLSON ESTATES COMM. ASSOC. serves 382 people in TILLSON, New York using Groundwater water sources. It has 211 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TILLSON ESTATES COMM. ASSOC.

TILLSON ESTATES COMM. ASSOC. is a private-owned community water system that delivers drinking water to 382 residents in TILLSON, New York (Ulster County) through 166 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 211 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 202 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 Revised Total Coliform Rule, recorded in 6 violations (MON). 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. TILLSON ESTATES COMM. ASSOC.'s 211 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
382
Total Violations
211
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
166
County
Ulster
School/Daycare
No
MCL Violations
0
Monitoring Violations
202
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 6 2023
Lead and Copper Rule MR 6 2010
2,4,5-TP MR 3 2001
ETHYLENE DIBROMIDE MR 3 2001
Pentachlorophenol MR 3 2001
Chlordane MR 3 2001
LEAD AND COPPER RULE REVISIONS RPT 3 2024
trans-1,2-Dichloroethylene MR 3 1998
1,2-Dichloropropane MR 3 1998
Trichloroethylene MR 3 1998
Tetrachloroethylene MR 3 1998
Toluene MR 3 1998
Ethylbenzene MR 3 1998
Styrene MR 3 1998
Cadmium MR 3 2001
Chromium MR 3 2001
Mercury MR 3 2001
Nickel MR 3 2001
Antimony, Total MR 3 2001
Beryllium, Total MR 3 2001
Thallium, Total MR 3 2001
Selenium MR 3 2001
Endrin MR 3 2001
Dalapon MR 3 2001
Di(2-ethylhexyl) adipate MR 3 2001
OXAMYL MR 3 2001
Di(2-ethylhexyl) phthalate MR 3 2001
Picloram MR 3 2001
Dinoseb MR 3 2001
Hexachlorocyclopentadiene MR 3 2001

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 TILLSON ESTATES COMM. ASSOC..

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 NY5503385 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 TILLSON ESTATES COMM. ASSOC. 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 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / NY5503385 / 5200
2023 Revised Total Coliform Rule MON 6 SDWIS / NY5503385 / 8000
2010 Lead and Copper Rule MR 6 SDWIS / NY5503385 / 5000
2004 Total Haloacetic Acids (HAA5) MR 3 SDWIS / NY5503385 / 2456
2004 TTHM MR 3 SDWIS / NY5503385 / 2950
2001 2,4,5-TP MR 3 SDWIS / NY5503385 / 2110
2001 ETHYLENE DIBROMIDE MR 3 SDWIS / NY5503385 / 2946
2001 Pentachlorophenol MR 3 SDWIS / NY5503385 / 2326
2001 Chlordane MR 3 SDWIS / NY5503385 / 2959
2001 Cadmium MR 3 SDWIS / NY5503385 / 1015
2001 Chromium MR 3 SDWIS / NY5503385 / 1020
2001 Mercury MR 3 SDWIS / NY5503385 / 1035
2001 Nickel MR 3 SDWIS / NY5503385 / 1036
2001 Antimony, Total MR 3 SDWIS / NY5503385 / 1074
2001 Beryllium, Total MR 3 SDWIS / NY5503385 / 1075

How TILLSON ESTATES COMM. ASSOC. Compares

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

Metric TILLSON ESTATES COMM. ASSOC. New York avg Federal benchmark
Total violations 211 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 382 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 TILLSON ESTATES COMM. ASSOC. water safe to drink?
TILLSON ESTATES COMM. ASSOC. (PWS ID: NY5503385) has 211 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 382 people using Groundwater sources.
How many people does TILLSON ESTATES COMM. ASSOC. serve?
TILLSON ESTATES COMM. ASSOC. serves 382 people in TILLSON, New York. It is a Private-owned system using Groundwater water sources with 166 service connections.
What type of violations does TILLSON ESTATES COMM. ASSOC. have?
TILLSON ESTATES COMM. ASSOC. has 211 total violations: 0 health-based violations (MCL exceedances or treatment failures), 202 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TILLSON ESTATES COMM. ASSOC. water?
No PFAS testing data is available for TILLSON ESTATES COMM. ASSOC. under the EPA's UCMR5 monitoring program.
What water source does TILLSON ESTATES COMM. ASSOC. use?
TILLSON ESTATES COMM. ASSOC. 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