PlainWater
States → Pennsylvania

Community Water System · PWS PA5100033

Evans City Borough

Evans City, Pennsylvania 16033 - drinking water served from surface water sources to 1,990 people, tracked in EPA SDWIS and UCMR5.

1,990
People served
702
EPA violations
21
Health-based
Untested
UCMR5 result

The verdict

EPA records 702 drinking-water violations at Evans City Borough, 3% of them health-based - above the Pennsylvania per-system average.

702
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
1,990
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Evans City Borough

Evans City Borough is a local-owned community water system that delivers drinking water to 1,990 residents in Evans City, Pennsylvania (Butler County) through 874 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 702 total violations for this system , of which 21 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 644 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 100 violations (MR). 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%).

Evans City Borough's 702 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
1,990
Total Violations
702
Health-Based Violations
21
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
874
County
Butler
School/Daycare
No
MCL Violations
19
Monitoring Violations
644
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 100 2018
Interim Enhanced Surface Water Treatment Rule MR 30 2005
Chlorine MR 28 2018
CARBON, TOTAL MR 27 2008
Consumer Confidence Rule Other 15 2004
Di(2-ethylhexyl) phthalate MR 14 2006
1,2-DIBROMO-3-CHLOROPROPANE MR 14 1995
ETHYLENE DIBROMIDE MR 14 1995
Total Haloacetic Acids (HAA5) MCL 13 2012
Total Haloacetic Acids (HAA5) MR 12 2021
Public Notice Other 10 2012
Coliform (TCR) MR 10 2006
TTHM MR 10 2021
DICHLOROMETHANE MR 9 2004
p-Dichlorobenzene MR 9 2004
1,2-Dichloroethane MR 9 2004
Carbon tetrachloride MR 9 2004
1,1,2-Trichloroethane MR 9 2004
Tetrachloroethylene MR 9 2004
CHLOROBENZENE MR 9 2004
1,1-Dichloroethylene MR 9 2004
1,1,1-Trichloroethane MR 9 2004
Trichloroethylene MR 9 2004
Benzene MR 9 2004
cis-1,2-Dichloroethylene MR 9 2004
o-Dichlorobenzene MR 9 2004
1,2-Dichloropropane MR 9 2004
Ethylbenzene MR 9 2004
Styrene MR 9 2004
Toluene MR 9 2004

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 Evans City Borough.

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 PA5100033 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 Evans City Borough 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
2022 Revised Total Coliform Rule MON 8 SDWIS / PA5100033 / 8000
2021 Total Haloacetic Acids (HAA5) MR 12 SDWIS / PA5100033 / 2456
2021 TTHM MR 10 SDWIS / PA5100033 / 2950
2018 Surface Water Treatment Rule MR 100 SDWIS / PA5100033 / 0200
2018 Chlorine MR 28 SDWIS / PA5100033 / 0999
2017 Revised Total Coliform Rule RPT 2 SDWIS / PA5100033 / 8000
2016 Revised Total Coliform Rule Other 2 SDWIS / PA5100033 / 8000
2012 Total Haloacetic Acids (HAA5) MCL 13 SDWIS / PA5100033 / 2456
2012 Public Notice Other 10 SDWIS / PA5100033 / 7500
2011 Fluoride MR 5 SDWIS / PA5100033 / 1025
2011 Barium MR 4 SDWIS / PA5100033 / 1010
2011 Cadmium MR 4 SDWIS / PA5100033 / 1015
2011 Mercury MR 4 SDWIS / PA5100033 / 1035
2011 Selenium MR 4 SDWIS / PA5100033 / 1045
2011 Chromium MR 4 SDWIS / PA5100033 / 1020

How Evans City Borough Compares

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

Metric Evans City Borough Pennsylvania avg Federal benchmark
Total violations 702 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 21 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 1,990 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 Evans City Borough water safe to drink? ▼
Evans City Borough (PWS ID: PA5100033) has 702 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,990 people using Surface Water sources.
How many people does Evans City Borough serve? ▼
Evans City Borough serves 1,990 people in Evans City, Pennsylvania. It is a Local-owned system using Surface Water water sources with 874 service connections.
What type of violations does Evans City Borough have? ▼
Evans City Borough has 702 total violations: 21 health-based violations (MCL exceedances or treatment failures), 644 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Evans City Borough water? ▼
No PFAS testing data is available for Evans City Borough under the EPA's UCMR5 monitoring program.
What water source does Evans City Borough use? ▼
Evans City Borough 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. 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.