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Community Water System · PWS PA3060067

Shillington Muni Auth

Reading, Pennsylvania 19607 - drinking water served from surface water sources to 13,300 people, tracked in EPA SDWIS and UCMR5.

13,300
People served
85
EPA violations
13
Health-based
3 PFAS
UCMR5 result

The verdict

EPA records 85 drinking-water violations at Shillington Muni Auth, 15% of them health-based - below the Pennsylvania per-system average, and UCMR5 testing detected 3 PFAS compounds.

85
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
13,300
People served by this system
3
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shillington Muni Auth

Shillington Muni Auth is a local-owned community water system that delivers drinking water to 13,300 residents in Reading, Pennsylvania (Berks County) through 5,697 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 85 total violations for this system , of which 13 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 53 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 Total Haloacetic Acids (HAA5), recorded in 12 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 3 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 6.6 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%).

Shillington Muni Auth's 85 violations sit below 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

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

Population Served
13,300
Total Violations
85
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,697
County
Berks
School/Daycare
No
MCL Violations
8
Monitoring Violations
53
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 12 2022
TTHM MR 12 2022
Coliform (TCR) MCL 8 2013
Surface Water Treatment Rule TT 5 2005
Consumer Confidence Rule Other 5 2017
Chlorine MR 4 2020
Public Notice Other 3 2005
Surface Water Treatment Rule MR 2 2020
Revised Total Coliform Rule RPT 2 2023
2,4,5-TP MR 2 1988
Methoxychlor MR 2 1988
BHC-GAMMA MR 2 1988
Toxaphene MR 2 1988
Endrin MR 2 1988
2,4-D MR 2 1988
Lead and Copper Rule MR 2 2016
Cadmium MR 1 1987
Fluoride MR 1 1991
Mercury MR 1 1991
Barium MR 1 1991
Chromium MR 1 1991
Arsenic MR 1 1991
Gross Alpha, Excl. Radon and U MR 1 1988
Nitrate MR 1 1991
Selenium MR 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 24 of 461 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFMBA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/1/2023 6.60 ppt 5.00 ppt Detected
6:2 FTS 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/1/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/1/2023 3.80 ppt 3.00 ppt Detected
PFMPA 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/1/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/1/2023 4.30 ppt 3.00 ppt Detected
PFHpA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/1/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFTA 7/27/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/27/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 7/27/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/12/2023 <6.00 ppt 6.00 ppt Not Detected
PFBA 7/12/2023 5.50 ppt 5.00 ppt Detected
11Cl-PF3OUdS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/12/2023 <8.00 ppt 8.00 ppt Not Detected
PFEESA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/12/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/12/2023 3.70 ppt 3.00 ppt 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 Shillington Muni 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 PA3060067 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 Shillington Muni 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 Revised Total Coliform Rule RPT 2 SDWIS / PA3060067 / 8000
2022 Total Haloacetic Acids (HAA5) MR 12 SDWIS / PA3060067 / 2456
2022 TTHM MR 12 SDWIS / PA3060067 / 2950
2020 Chlorine MR 4 SDWIS / PA3060067 / 0999
2020 Surface Water Treatment Rule MR 2 SDWIS / PA3060067 / 0200
2017 Consumer Confidence Rule Other 5 SDWIS / PA3060067 / 7000
2016 Lead and Copper Rule MR 2 SDWIS / PA3060067 / 5000
2013 Coliform (TCR) MCL 8 SDWIS / PA3060067 / 3100
2005 Surface Water Treatment Rule TT 5 SDWIS / PA3060067 / 0200
2005 Public Notice Other 3 SDWIS / PA3060067 / 7500
1991 Fluoride MR 1 SDWIS / PA3060067 / 1025
1991 Mercury MR 1 SDWIS / PA3060067 / 1035
1991 Barium MR 1 SDWIS / PA3060067 / 1010
1991 Chromium MR 1 SDWIS / PA3060067 / 1020
1991 Arsenic MR 1 SDWIS / PA3060067 / 1005

How Shillington Muni Auth Compares

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

Metric Shillington Muni Auth Pennsylvania avg Federal benchmark
Total violations 85 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 3 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 13,300 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 Shillington Muni Auth water safe to drink? ▼
Shillington Muni Auth (PWS ID: PA3060067) has 85 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 13,300 people using Surface Water sources.
How many people does Shillington Muni Auth serve? ▼
Shillington Muni Auth serves 13,300 people in Reading, Pennsylvania. It is a Local-owned system using Surface Water water sources with 5,697 service connections.
What type of violations does Shillington Muni Auth have? ▼
Shillington Muni Auth has 85 total violations: 13 health-based violations (MCL exceedances or treatment failures), 53 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shillington Muni Auth water? ▼
Yes. UCMR5 testing detected 3 PFAS compounds in Shillington Muni Auth's water supply: PFBA, PFPeA, PFBS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Shillington Muni Auth use? ▼
Shillington Muni 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.

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.