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Community Water System · PWS NY4500186

Wilton Water & Sewer Authority

Gansevoort, New York 12831 - drinking water served from surface water sources to 9,490 people, tracked in EPA SDWIS and UCMR5.

9,490
People served
691
EPA violations
7
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 691 drinking-water violations at Wilton Water & Sewer Authority, 1% of them health-based - above the New York per-system average.

691
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
9,490
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wilton Water & Sewer Authority

Wilton Water & Sewer Authority is a public/private-owned community water system that delivers drinking water to 9,490 residents in Gansevoort, New York (Saratoga County) through 3,796 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 691 total violations for this system , of which 7 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 638 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Radium-228, recorded in 28 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Wilton Water & Sewer Authority's 691 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
9,490
Total Violations
691
Health-Based Violations
7
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Public/Private
Connections
3,796
County
Saratoga
School/Daycare
No
MCL Violations
0
Monitoring Violations
638
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Radium-228 MR 28 2008
Radium-226 MR 28 2008
Total Haloacetic Acids (HAA5) MR 23 2018
TTHM MR 23 2018
Nitrate MR 20 2022
Di(2-ethylhexyl) phthalate MR 16 2010
Endrin MR 12 2008
Methoxychlor MR 12 2008
Di(2-ethylhexyl) adipate MR 12 2008
OXAMYL MR 12 2008
Simazine MR 12 2008
Picloram MR 12 2008
Dinoseb MR 12 2008
Hexachlorocyclopentadiene MR 12 2008
Aldicarb sulfoxide MR 12 2008
Aldicarb sulfone MR 12 2008
Carbofuran MR 12 2008
Aldicarb MR 12 2008
Atrazine MR 12 2008
Heptachlor MR 12 2008
2,4-D MR 12 2008
2,4,5-TP MR 12 2008
Pentachlorophenol MR 12 2008
Dalapon MR 12 2008
Heptachlor epoxide MR 12 2008
ETHYLENE DIBROMIDE MR 12 2008
HEXACHLOROBENZENE MR 12 2008
Benzo(a)pyrene MR 12 2008
Chlordane MR 12 2008
BHC-GAMMA MR 12 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 290 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
8:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/18/2023 <20.00 ppt 20.00 ppt Not Detected
PFHpS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
PFTA 9/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/18/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 9/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFHpA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
PFBA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 9/18/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 9/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/18/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
6:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected

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 Wilton Water & Sewer Authority.

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 NY4500186 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 Wilton Water & Sewer Authority 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
2022 Nitrate MR 20 SDWIS / NY4500186 / 1040
2020 Consumer Confidence Rule Other 4 SDWIS / NY4500186 / 7000
2018 Total Haloacetic Acids (HAA5) MR 23 SDWIS / NY4500186 / 2456
2018 TTHM MR 23 SDWIS / NY4500186 / 2950
2017 Revised Total Coliform Rule MON 2 SDWIS / NY4500186 / 8000
2015 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 7 SDWIS / NY4500186 / 0400
2010 Di(2-ethylhexyl) phthalate MR 16 SDWIS / NY4500186 / 2039
2010 Coliform (TCR) MR 12 SDWIS / NY4500186 / 3100
2008 Radium-228 MR 28 SDWIS / NY4500186 / 4030
2008 Radium-226 MR 28 SDWIS / NY4500186 / 4020
2008 Endrin MR 12 SDWIS / NY4500186 / 2005
2008 Methoxychlor MR 12 SDWIS / NY4500186 / 2015
2008 Di(2-ethylhexyl) adipate MR 12 SDWIS / NY4500186 / 2035
2008 OXAMYL MR 12 SDWIS / NY4500186 / 2036
2008 Simazine MR 12 SDWIS / NY4500186 / 2037

How Wilton Water & Sewer Authority Compares

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

Metric Wilton Water & Sewer Authority New York avg Federal benchmark
Total violations 691 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 9,490 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 Wilton Water & Sewer Authority water safe to drink? ▼
Wilton Water & Sewer Authority (PWS ID: NY4500186) has 691 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 9,490 people using Surface Water sources.
How many people does Wilton Water & Sewer Authority serve? ▼
Wilton Water & Sewer Authority serves 9,490 people in Gansevoort, New York. It is a Public/Private-owned system using Surface Water water sources with 3,796 service connections.
What type of violations does Wilton Water & Sewer Authority have? ▼
Wilton Water & Sewer Authority has 691 total violations: 7 health-based violations (MCL exceedances or treatment failures), 638 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wilton Water & Sewer Authority water? ▼
No. Wilton Water & Sewer Authority was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Wilton Water & Sewer Authority use? ▼
Wilton Water & Sewer Authority 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.