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PHOENIXVILLE WATER DEPT

PWS ID: PA1150077 · PHOENIXVILLE, Pennsylvania 19460

PHOENIXVILLE WATER DEPT serves 16,599 people in PHOENIXVILLE, Pennsylvania using Surface Water water sources. It has 502 recorded EPA violations, including 53 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (7 compounds found).

Water Quality Snapshot: PHOENIXVILLE WATER DEPT

PHOENIXVILLE WATER DEPT is a local-owned community water system that delivers drinking water to 16,599 residents in PHOENIXVILLE, Pennsylvania (Chester County) through 5,958 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 502 total violations for this system , of which 53 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 433 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 39 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 7 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0573 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. PHOENIXVILLE WATER DEPT's 502 violations sit above the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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

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

Population Served
16,599
Total Violations
502
Health-Based Violations
53
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,958
County
Chester
School/Daycare
No
MCL Violations
38
Monitoring Violations
433
Treatment Tech Violations
15

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 39 2023
CARBON, TOTAL MR 19 2020
Coliform (TCR) MCL 19 2014
TTHM MCL 19 1993
1,1-Dichloroethylene MR 18 2019
1,1,1-Trichloroethane MR 18 2019
Carbon tetrachloride MR 18 2019
Benzene MR 18 2019
p-Dichlorobenzene MR 18 2019
Trichloroethylene MR 18 2019
1,2-Dichloroethane MR 18 2019
Nitrate MR 16 2001
Arsenic MR 11 2019
Chromium MR 11 2019
Barium MR 11 2019
Fluoride MR 11 2019
Cadmium MR 11 2019
Mercury MR 11 2019
Surface Water Treatment Rule TT 11 2003
Selenium MR 11 2019
Interim Enhanced Surface Water Treatment Rule MR 10 2024
Consumer Confidence Rule Other 6 2011
Beryllium, Total MR 5 2019
cis-1,2-Dichloroethylene MR 5 2019
Xylenes, Total MR 5 2019
trans-1,2-Dichloroethylene MR 5 2019
1,1,2-Trichloroethane MR 5 2019
CHLOROBENZENE MR 5 2019
Ethylbenzene MR 5 2019
Styrene MR 5 2019

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 19 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/29/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/29/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 7/29/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 7/29/2024 <0.006 µg/L 0.006 µg/L Not Detected
6:2 FTS 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/29/2024 0.0051 µg/L 0.004 µg/L Detected
PFOA 7/29/2024 0.0059 µg/L 0.004 µg/L Detected
PFDA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/29/2024 0.0090 µg/L 0.003 µg/L Detected
PFUnA 7/29/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/29/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/29/2024 0.0031 µg/L 0.003 µg/L Detected
PFBA 7/29/2024 0.0339 µg/L 0.005 µg/L Detected
4:2 FTS 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/29/2024 0.0102 µg/L 0.003 µg/L Detected
PFMBA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/29/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/29/2024 0.0098 µg/L 0.003 µg/L Detected
HFPO-DA 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/5/2024 0.0069 µg/L 0.003 µg/L Detected
8:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/5/2024 0.0055 µg/L 0.003 µg/L Detected
PFUnA 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/5/2024 0.0045 µg/L 0.004 µg/L Detected
PFOA 6/5/2024 0.0051 µg/L 0.004 µg/L Detected
PFDA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/5/2024 0.0059 µg/L 0.003 µg/L 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 PHOENIXVILLE WATER DEPT.

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 PA1150077 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects PHOENIXVILLE WATER DEPT under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP — Bureau of Safe Drinking Water

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
2025 Public Notice Other 3 SDWIS / PA1150077 / 7500
2024 Interim Enhanced Surface Water Treatment Rule MR 10 SDWIS / PA1150077 / 0300
2024 TTHM MR 4 SDWIS / PA1150077 / 2950
2024 CARBON, TOTAL TT 4 SDWIS / PA1150077 / 2920
2023 Surface Water Treatment Rule MR 39 SDWIS / PA1150077 / 0200
2023 Chlorine MR 4 SDWIS / PA1150077 / 0999
2023 Endothall MR 4 SDWIS / PA1150077 / 2033
2023 Tritium MR 4 SDWIS / PA1150077 / 4102
2023 38-STRONTIUM-90 MR 4 SDWIS / PA1150077 / 4174
2023 Revised Total Coliform Rule MON 2 SDWIS / PA1150077 / 8000
2020 CARBON, TOTAL MR 19 SDWIS / PA1150077 / 2920
2020 Lead and Copper Rule MR 5 SDWIS / PA1150077 / 5000
2020 Gross Beta Particle Activity MR 3 SDWIS / PA1150077 / 4100
2019 1,1-Dichloroethylene MR 18 SDWIS / PA1150077 / 2977
2019 1,1,1-Trichloroethane MR 18 SDWIS / PA1150077 / 2981

How PHOENIXVILLE WATER DEPT Compares

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

Metric PHOENIXVILLE WATER DEPT Pennsylvania avg Federal benchmark
Total violations 502 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 53 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 7 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 16,599 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

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 PHOENIXVILLE WATER DEPT water safe to drink? ▼
PHOENIXVILLE WATER DEPT (PWS ID: PA1150077) has 502 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 7 PFAS compounds found. This system serves 16,599 people using Surface Water sources.
How many people does PHOENIXVILLE WATER DEPT serve? ▼
PHOENIXVILLE WATER DEPT serves 16,599 people in PHOENIXVILLE, Pennsylvania. It is a Local-owned system using Surface Water water sources with 5,958 service connections.
What type of violations does PHOENIXVILLE WATER DEPT have? ▼
PHOENIXVILLE WATER DEPT has 502 total violations: 53 health-based violations (MCL exceedances or treatment failures), 433 monitoring/reporting violations, and 15 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PHOENIXVILLE WATER DEPT water? ▼
Yes. UCMR5 testing detected 7 PFAS compounds in PHOENIXVILLE WATER DEPT's water supply: PFOS, PFOA, PFHxA, PFHpA, PFBA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does PHOENIXVILLE WATER DEPT use? ▼
PHOENIXVILLE WATER DEPT 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