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Non-Transient Non-Community Water System · PWS NY1030219

Kinderhook Commons

Tarrytown, New York 10591 - drinking water served from groundwater sources to 230 people, tracked in EPA SDWIS and UCMR5.

230
People served
153
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 153 drinking-water violations at Kinderhook Commons, 1% of them health-based - above the New York per-system average.

153
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
230
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Kinderhook Commons

Kinderhook Commons is a private-owned non-transient non-community water system that delivers drinking water to 230 residents in Tarrytown, New York (Columbia County) through 8 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 153 total violations for this system , of which 2 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 117 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 Arsenic, recorded in 12 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%).

Kinderhook Commons's 153 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
230
Total Violations
153
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
8
County
Columbia
School/Daycare
No
MCL Violations
2
Monitoring Violations
117
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 12 2022
Lead and Copper Rule MR 9 2022
Revised Total Coliform Rule MON 8 2023
Coliform (TCR) MR 6 2008
Barium MR 2 2017
Mercury MR 2 2017
Antimony, Total MR 2 2017
Beryllium, Total MR 2 2017
Thallium, Total MR 2 2017
BHC-GAMMA MR 2 2015
Dalapon MR 2 2015
OXAMYL MR 2 2015
Simazine MR 2 2015
Dinoseb MR 2 2015
Aldicarb sulfoxide MR 2 2015
Carbofuran MR 2 2015
Aldicarb MR 2 2015
Atrazine MR 2 2015
Heptachlor MR 2 2015
2,4,5-TP MR 2 2015
HEXACHLOROBENZENE MR 2 2015
ETHYLENE DIBROMIDE MR 2 2015
Fluoride MR 2 2017
Aldicarb sulfone MR 2 2015
Cadmium MR 2 2017
Di(2-ethylhexyl) adipate MR 2 2015
Total Polychlorinated Biphenyls (PCB) MR 2 2015
CYANIDE MR 2 2017
Benzo(a)pyrene MR 2 2015
Arsenic MCL 2 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 Kinderhook Commons.

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 NY1030219 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 Kinderhook Commons 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 Revised Total Coliform Rule MON 8 SDWIS / NY1030219 / 8000
2023 Arsenic MCL 2 SDWIS / NY1030219 / 1005
2022 Arsenic MR 12 SDWIS / NY1030219 / 1005
2022 Lead and Copper Rule MR 9 SDWIS / NY1030219 / 5000
2020 Total Haloacetic Acids (HAA5) MR 2 SDWIS / NY1030219 / 2456
2020 TTHM MR 2 SDWIS / NY1030219 / 2950
2017 Barium MR 2 SDWIS / NY1030219 / 1010
2017 Mercury MR 2 SDWIS / NY1030219 / 1035
2017 Antimony, Total MR 2 SDWIS / NY1030219 / 1074
2017 Beryllium, Total MR 2 SDWIS / NY1030219 / 1075
2017 Thallium, Total MR 2 SDWIS / NY1030219 / 1085
2017 Fluoride MR 2 SDWIS / NY1030219 / 1025
2017 Cadmium MR 2 SDWIS / NY1030219 / 1015
2017 CYANIDE MR 2 SDWIS / NY1030219 / 1024
2017 Nickel MR 2 SDWIS / NY1030219 / 1036

How Kinderhook Commons Compares

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

Metric Kinderhook Commons New York avg Federal benchmark
Total violations 153 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 230 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 Kinderhook Commons water safe to drink? ▼
Kinderhook Commons (PWS ID: NY1030219) has 153 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 230 people using Groundwater sources.
How many people does Kinderhook Commons serve? ▼
Kinderhook Commons serves 230 people in Tarrytown, New York. It is a Private-owned system using Groundwater water sources with 8 service connections.
What type of violations does Kinderhook Commons have? ▼
Kinderhook Commons has 153 total violations: 2 health-based violations (MCL exceedances or treatment failures), 117 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Kinderhook Commons water? ▼
No PFAS testing data is available for Kinderhook Commons under the EPA's UCMR5 monitoring program.
What water source does Kinderhook Commons use? ▼
Kinderhook Commons uses Groundwater 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.