PlainWater
States → Pennsylvania

Community Water System · PWS PA1150105

West Grove Borough

West Grove, Pennsylvania 19390 - drinking water served from groundwater sources to 2,873 people, tracked in EPA SDWIS and UCMR5.

2,873
People served
429
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 429 drinking-water violations at West Grove Borough, 3% of them health-based - above the Pennsylvania per-system average.

429
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
2,873
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: West Grove Borough

West Grove Borough is a local-owned community water system that delivers drinking water to 2,873 residents in West Grove, Pennsylvania (Chester County) through 938 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 429 total violations for this system , of which 12 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 378 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 Chlorine, recorded in 22 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%).

West Grove Borough's 429 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
2,873
Total Violations
429
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
938
County
Chester
School/Daycare
No
MCL Violations
0
Monitoring Violations
378
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 22 2024
Coliform (TCR) MR 16 2005
Nitrate MR 14 2004
1,2,4-Trichlorobenzene MR 12 2018
Xylenes, Total MR 12 2018
DICHLOROMETHANE MR 12 2018
o-Dichlorobenzene MR 12 2018
p-Dichlorobenzene MR 12 2018
trans-1,2-Dichloroethylene MR 12 2018
1,2-Dichloroethane MR 12 2018
1,1,1-Trichloroethane MR 12 2018
1,2-Dichloropropane MR 12 2018
Tetrachloroethylene MR 12 2018
Benzene MR 12 2018
Toluene MR 12 2018
Groundwater Rule TT 12 2019
cis-1,2-Dichloroethylene MR 12 2018
Carbon tetrachloride MR 12 2018
Trichloroethylene MR 12 2018
1,1,2-Trichloroethane MR 12 2018
Styrene MR 12 2018
Public Notice Other 12 2019
1,1-Dichloroethylene MR 12 2018
Ethylbenzene MR 12 2018
CHLOROBENZENE MR 12 2018
Consumer Confidence Rule Other 11 2025
Endothall MR 6 2023
Groundwater Rule MR 6 2024
Fluoride MR 4 2003
Gross Alpha, Excl. Radon and U MR 4 2000

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 West Grove 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 PA1150105 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 West Grove 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
2025 Consumer Confidence Rule Other 11 SDWIS / PA1150105 / 7000
2024 Chlorine MR 22 SDWIS / PA1150105 / 0999
2024 Groundwater Rule MR 6 SDWIS / PA1150105 / 0700
2023 Endothall MR 6 SDWIS / PA1150105 / 2033
2019 Groundwater Rule TT 12 SDWIS / PA1150105 / 0700
2019 Public Notice Other 12 SDWIS / PA1150105 / 7500
2018 1,2,4-Trichlorobenzene MR 12 SDWIS / PA1150105 / 2378
2018 Xylenes, Total MR 12 SDWIS / PA1150105 / 2955
2018 DICHLOROMETHANE MR 12 SDWIS / PA1150105 / 2964
2018 o-Dichlorobenzene MR 12 SDWIS / PA1150105 / 2968
2018 p-Dichlorobenzene MR 12 SDWIS / PA1150105 / 2969
2018 trans-1,2-Dichloroethylene MR 12 SDWIS / PA1150105 / 2979
2018 1,2-Dichloroethane MR 12 SDWIS / PA1150105 / 2980
2018 1,1,1-Trichloroethane MR 12 SDWIS / PA1150105 / 2981
2018 1,2-Dichloropropane MR 12 SDWIS / PA1150105 / 2983

How West Grove Borough Compares

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

Metric West Grove Borough Pennsylvania avg Federal benchmark
Total violations 429 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 2,873 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 West Grove Borough water safe to drink? ▼
West Grove Borough (PWS ID: PA1150105) has 429 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,873 people using Groundwater sources.
How many people does West Grove Borough serve? ▼
West Grove Borough serves 2,873 people in West Grove, Pennsylvania. It is a Local-owned system using Groundwater water sources with 938 service connections.
What type of violations does West Grove Borough have? ▼
West Grove Borough has 429 total violations: 12 health-based violations (MCL exceedances or treatment failures), 378 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in West Grove Borough water? ▼
No PFAS testing data is available for West Grove Borough under the EPA's UCMR5 monitoring program.
What water source does West Grove Borough use? ▼
West Grove Borough 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.