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Community Water System · PWS PA5100099

Marion Twp WTP

Boyers, Pennsylvania 16020 - drinking water served from groundwater sources to 225 people, tracked in EPA SDWIS and UCMR5.

225
People served
345
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 345 drinking-water violations at Marion Twp WTP, 3% of them health-based - above the Pennsylvania per-system average.

345
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
225
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Marion Twp WTP

Marion Twp WTP is a local-owned community water system that delivers drinking water to 225 residents in Boyers, Pennsylvania (Butler County) through 75 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 345 total violations for this system , of which 9 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 231 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 Public Notice, recorded in 76 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Marion Twp WTP's 345 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.

Population Served
225
Total Violations
345
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
75
County
Butler
School/Daycare
No
MCL Violations
0
Monitoring Violations
231
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 76 2023
Chlorine MR 23 2014
Consumer Confidence Rule Other 18 2023
Groundwater Rule MR 14 2023
Groundwater Rule TT 7 2023
Xylenes, Total MR 6 2021
o-Dichlorobenzene MR 6 2021
p-Dichlorobenzene MR 6 2021
trans-1,2-Dichloroethylene MR 6 2021
Carbon tetrachloride MR 6 2021
Trichloroethylene MR 6 2021
CHLOROBENZENE MR 6 2021
Benzene MR 6 2021
Ethylbenzene MR 6 2021
1,2,4-Trichlorobenzene MR 6 2021
cis-1,2-Dichloroethylene MR 6 2021
1,2-Dichloroethane MR 6 2021
Tetrachloroethylene MR 6 2021
Styrene MR 6 2021
1,1-Dichloroethylene MR 6 2021
1,1,1-Trichloroethane MR 6 2021
1,2-Dichloropropane MR 6 2021
Toluene MR 6 2021
1,1,2-Trichloroethane MR 6 2021
DICHLOROMETHANE MR 6 2021
Arsenic MR 5 2021
Revised Total Coliform Rule MON 5 2025
Hexachlorocyclopentadiene MR 4 2015
HEXACHLOROBENZENE MR 4 2015
Combined Uranium MR 4 2022

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 Marion Twp WTP.

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 PA5100099 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 Marion Twp WTP 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 Revised Total Coliform Rule MON 5 SDWIS / PA5100099 / 8000
2023 Public Notice Other 76 SDWIS / PA5100099 / 7500
2023 Consumer Confidence Rule Other 18 SDWIS / PA5100099 / 7000
2023 Groundwater Rule MR 14 SDWIS / PA5100099 / 0700
2023 Groundwater Rule TT 7 SDWIS / PA5100099 / 0700
2022 Combined Uranium MR 4 SDWIS / PA5100099 / 4006
2021 Xylenes, Total MR 6 SDWIS / PA5100099 / 2955
2021 o-Dichlorobenzene MR 6 SDWIS / PA5100099 / 2968
2021 p-Dichlorobenzene MR 6 SDWIS / PA5100099 / 2969
2021 trans-1,2-Dichloroethylene MR 6 SDWIS / PA5100099 / 2979
2021 Carbon tetrachloride MR 6 SDWIS / PA5100099 / 2982
2021 Trichloroethylene MR 6 SDWIS / PA5100099 / 2984
2021 CHLOROBENZENE MR 6 SDWIS / PA5100099 / 2989
2021 Benzene MR 6 SDWIS / PA5100099 / 2990
2021 Ethylbenzene MR 6 SDWIS / PA5100099 / 2992

How Marion Twp WTP Compares

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

Metric Marion Twp WTP Pennsylvania avg Federal benchmark
Total violations 345 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 225 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 Marion Twp WTP water safe to drink? ▼
Marion Twp WTP (PWS ID: PA5100099) has 345 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 225 people using Groundwater sources.
How many people does Marion Twp WTP serve? ▼
Marion Twp WTP serves 225 people in Boyers, Pennsylvania. It is a Local-owned system using Groundwater water sources with 75 service connections.
What type of violations does Marion Twp WTP have? ▼
Marion Twp WTP has 345 total violations: 9 health-based violations (MCL exceedances or treatment failures), 231 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Marion Twp WTP water? ▼
No PFAS testing data is available for Marion Twp WTP under the EPA's UCMR5 monitoring program.
What water source does Marion Twp WTP use? ▼
Marion Twp WTP uses Groundwater 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. 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.