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UNITED WAPPINGER WATER IMPROVEMENT DIST.

PWS ID: NY1330660 · WAPPINGERS FALLS, New York 12590

UNITED WAPPINGER WATER IMPROVEMENT DIST. serves 14,000 people in WAPPINGERS FALLS, New York using Surface Water water sources. It has 10 recorded EPA violations, including 2 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (3 compounds found).

Water Quality Snapshot: UNITED WAPPINGER WATER IMPROVEMENT DIST.

UNITED WAPPINGER WATER IMPROVEMENT DIST. is a local-owned community water system that delivers drinking water to 14,000 residents in WAPPINGERS FALLS, New York (Dutchess County) through 3,808 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 10 total violations for this system , of which 2 (20%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 4 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 2 violations (Other). Under EPA's UCMR5 PFAS monitoring program, 3 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 114 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. UNITED WAPPINGER WATER IMPROVEMENT DIST.'s 10 violations sit below 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.

PFAS Detected

3 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
14,000
Total Violations
10
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,808
County
Dutchess
School/Daycare
No
MCL Violations
0
Monitoring Violations
4
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 2 1999
Coliform (TCR) MR 2 2014
Lead and Copper Rule MR 2 2007
Surface Water Treatment Rule TT 2 2012

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 7/18/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/18/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 7/18/2023 93.7000 µg/L 9 µg/L Detected
PFTrDA 7/18/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/18/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 7/18/2023 114.0000 µg/L 9 µg/L Detected
11Cl-PF3OUdS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/18/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/18/2023 0.0053 µg/L 0.005 µg/L Detected
HFPO-DA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/18/2023 <0.004 µg/L 0.004 µg/L 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 UNITED WAPPINGER WATER IMPROVEMENT DIST..

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 NY1330660 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 UNITED WAPPINGER WATER IMPROVEMENT DIST. 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
2014 Coliform (TCR) MR 2 SDWIS / NY1330660 / 3100
2012 Surface Water Treatment Rule TT 2 SDWIS / NY1330660 / 0200
2007 Lead and Copper Rule MR 2 SDWIS / NY1330660 / 5000
1999 Consumer Confidence Rule Other 2 SDWIS / NY1330660 / 7000

How UNITED WAPPINGER WATER IMPROVEMENT DIST. Compares

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

Metric UNITED WAPPINGER WATER IMPROVEMENT DIST. New York avg Federal benchmark
Total violations 10 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 3 compounds 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 14,000 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 UNITED WAPPINGER WATER IMPROVEMENT DIST. water safe to drink? ▼
UNITED WAPPINGER WATER IMPROVEMENT DIST. (PWS ID: NY1330660) has 10 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 14,000 people using Surface Water sources.
How many people does UNITED WAPPINGER WATER IMPROVEMENT DIST. serve? ▼
UNITED WAPPINGER WATER IMPROVEMENT DIST. serves 14,000 people in WAPPINGERS FALLS, New York. It is a Local-owned system using Surface Water water sources with 3,808 service connections.
What type of violations does UNITED WAPPINGER WATER IMPROVEMENT DIST. have? ▼
UNITED WAPPINGER WATER IMPROVEMENT DIST. has 10 total violations: 2 health-based violations (MCL exceedances or treatment failures), 4 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in UNITED WAPPINGER WATER IMPROVEMENT DIST. water? ▼
Yes. UCMR5 testing detected 3 PFAS compounds in UNITED WAPPINGER WATER IMPROVEMENT DIST.'s water supply: lithium, PFBA, PFBS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does UNITED WAPPINGER WATER IMPROVEMENT DIST. use? ▼
UNITED WAPPINGER WATER IMPROVEMENT DIST. 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial