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Community Water System · PWS PA1460037

Pottstown Borough Water Auth

Pottstown, Pennsylvania 19464 - drinking water served from surface water sources to 36,000 people, tracked in EPA SDWIS and UCMR5.

36,000
People served
172
EPA violations
24
Health-based
4 PFAS
UCMR5 result

The verdict

EPA records 172 drinking-water violations at Pottstown Borough Water Auth, 14% of them health-based - above the Pennsylvania per-system average, and UCMR5 testing detected 4 PFAS compounds.

172
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
36,000
People served by this system
4
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pottstown Borough Water Auth

Pottstown Borough Water Auth is a local-owned community water system that delivers drinking water to 36,000 residents in Pottstown, Pennsylvania (Montgomery County) through 12,000 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 172 total violations for this system , of which 24 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 135 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 Nitrate, recorded in 10 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 4 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 12.6 ppt (parts per trillion). 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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Pottstown Borough Water Auth's 172 violations sit above the Pennsylvania average.

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

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

Population Served
36,000
Total Violations
172
Health-Based Violations
24
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
12,000
County
Montgomery
School/Daycare
No
MCL Violations
12
Monitoring Violations
135
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 10 2008
Public Notice Other 8 2023
TTHM MCL 8 1993
Long Term 2 Enhanced Surface Water Treatment Rule TT 8 2023
Coliform (TCR) MR 6 2004
Coliform (TCR) MCL 4 2000
Surface Water Treatment Rule MR 4 2004
Total Haloacetic Acids (HAA5) MR 4 2020
TTHM MR 4 2020
1,2,4-Trichlorobenzene MR 4 2008
Xylenes, Total MR 4 2008
p-Dichlorobenzene MR 4 2008
1,1-Dichloroethylene MR 4 2008
trans-1,2-Dichloroethylene MR 4 2008
Carbon tetrachloride MR 4 2008
Trichloroethylene MR 4 2008
1,1,2-Trichloroethane MR 4 2008
Tetrachloroethylene MR 4 2008
CHLOROBENZENE MR 4 2008
Toluene MR 4 2008
Ethylbenzene MR 4 2008
Styrene MR 4 2008
Combined Uranium MR 4 2011
Arsenic MR 4 2008
Interim Enhanced Surface Water Treatment Rule MR 4 2021
1,2-Dichloropropane MR 4 2008
cis-1,2-Dichloroethylene MR 4 2008
o-Dichlorobenzene MR 4 2008
DICHLOROMETHANE MR 4 2008
OXAMYL MR 4 1995

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 9 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 9/5/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/5/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/5/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/5/2024 7.40 ppt 3.00 ppt Detected
PFMBA 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/5/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/5/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 9/5/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 9/5/2024 <6.00 ppt 6.00 ppt Not Detected
HFPO-DA 9/5/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 9/5/2024 <8.00 ppt 8.00 ppt Not Detected
PFHpA 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/5/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/5/2024 12.60 ppt 5.00 ppt Detected
PFBS 9/5/2024 5.00 ppt 3.00 ppt Detected
PFHxS 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/5/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/5/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/5/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/5/2024 5.90 ppt 3.00 ppt Detected
PFUnA 9/5/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/5/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/5/2024 <2.00 ppt 2.00 ppt Not Detected
PFDA 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/5/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/18/2025 <2.00 ppt 2.00 ppt Not Detected
PFDA 6/18/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 6/18/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 6/18/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 6/18/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/18/2025 <6.00 ppt 6.00 ppt Not Detected
ADONA 6/18/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 6/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 6/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxS 6/18/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 6/18/2025 <2.00 ppt 2.00 ppt Not Detected
PFHpS 6/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 6/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 6/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeS 6/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFDoA 6/18/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 6/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/18/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 6/18/2025 <8.00 ppt 8.00 ppt Not Detected
PFHpA 6/18/2025 <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 Pottstown Borough Water Auth.

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 PA1460037 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 Pottstown Borough Water Auth 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
2023 Public Notice Other 8 SDWIS / PA1460037 / 7500
2023 Long Term 2 Enhanced Surface Water Treatment Rule TT 8 SDWIS / PA1460037 / 0800
2023 Revised Total Coliform Rule MON 2 SDWIS / PA1460037 / 8000
2021 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / PA1460037 / 0300
2020 Total Haloacetic Acids (HAA5) MR 4 SDWIS / PA1460037 / 2456
2020 TTHM MR 4 SDWIS / PA1460037 / 2950
2020 Lead and Copper Rule MR 2 SDWIS / PA1460037 / 5000
2013 CARBON, TOTAL MR 3 SDWIS / PA1460037 / 2920
2011 Combined Uranium MR 4 SDWIS / PA1460037 / 4006
2008 Nitrate MR 10 SDWIS / PA1460037 / 1040
2008 1,2,4-Trichlorobenzene MR 4 SDWIS / PA1460037 / 2378
2008 Xylenes, Total MR 4 SDWIS / PA1460037 / 2955
2008 p-Dichlorobenzene MR 4 SDWIS / PA1460037 / 2969
2008 1,1-Dichloroethylene MR 4 SDWIS / PA1460037 / 2977
2008 trans-1,2-Dichloroethylene MR 4 SDWIS / PA1460037 / 2979

How Pottstown Borough Water Auth Compares

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

Metric Pottstown Borough Water Auth Pennsylvania avg Federal benchmark
Total violations 172 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 4 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 36,000 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 (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 Pottstown Borough Water Auth water safe to drink?
Pottstown Borough Water Auth (PWS ID: PA1460037) has 172 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 36,000 people using Surface Water sources.
How many people does Pottstown Borough Water Auth serve?
Pottstown Borough Water Auth serves 36,000 people in Pottstown, Pennsylvania. It is a Local-owned system using Surface Water water sources with 12,000 service connections.
What type of violations does Pottstown Borough Water Auth have?
Pottstown Borough Water Auth has 172 total violations: 24 health-based violations (MCL exceedances or treatment failures), 135 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pottstown Borough Water Auth water?
Yes. UCMR5 testing detected 4 PFAS compounds in Pottstown Borough Water Auth's water supply: PFPeA, PFBA, PFBS, PFHxA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Pottstown Borough Water Auth use?
Pottstown Borough Water Auth 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.
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.