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Community Water System · PWS PA1150191

Elverson Water Company

Elverson, Pennsylvania 19520 - drinking water served from groundwater sources to 1,641 people, tracked in EPA SDWIS and UCMR5.

1,641
People served
322
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 322 drinking-water violations at Elverson Water Company, 1% of them health-based - above the Pennsylvania per-system average.

322
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
1,641
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Elverson Water Company

Elverson Water Company is a private-owned community water system that delivers drinking water to 1,641 residents in Elverson, Pennsylvania (Chester County) through 597 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 322 total violations for this system , of which 4 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 302 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 Public Notice, recorded in 16 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%).

Elverson Water Company's 322 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
1,641
Total Violations
322
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
597
County
Chester
School/Daycare
No
MCL Violations
4
Monitoring Violations
302
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 16 2014
TTHM MR 16 2022
Nitrate MR 12 2013
Nitrite MR 12 2013
Total Haloacetic Acids (HAA5) MR 12 2016
Chlorine MR 11 2015
Endrin MR 8 2023
Methoxychlor MR 8 2023
Simazine MR 8 2023
LASSO MR 8 2023
HEXACHLOROBENZENE MR 8 2023
Benzo(a)pyrene MR 8 2023
Di(2-ethylhexyl) phthalate MR 8 2023
Heptachlor epoxide MR 8 2023
Chlordane MR 8 2023
Di(2-ethylhexyl) adipate MR 8 2023
Atrazine MR 8 2023
Heptachlor MR 8 2023
Hexachlorocyclopentadiene MR 8 2023
BHC-GAMMA MR 8 2023
Radium-228 MR 6 2012
Dalapon MR 6 2014
Diquat MR 6 2014
Endothall MR 6 2014
Glyphosate MR 6 2014
OXAMYL MR 6 2014
Dinoseb MR 6 2014
Carbofuran MR 6 2014
2,3,7,8-TCDD MR 6 2014
2,4,5-TP MR 6 2014

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 Elverson Water Company.

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 PA1150191 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 Elverson Water Company 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 Endrin MR 8 SDWIS / PA1150191 / 2005
2023 Methoxychlor MR 8 SDWIS / PA1150191 / 2015
2023 Simazine MR 8 SDWIS / PA1150191 / 2037
2023 LASSO MR 8 SDWIS / PA1150191 / 2051
2023 HEXACHLOROBENZENE MR 8 SDWIS / PA1150191 / 2274
2023 Benzo(a)pyrene MR 8 SDWIS / PA1150191 / 2306
2023 Di(2-ethylhexyl) phthalate MR 8 SDWIS / PA1150191 / 2039
2023 Heptachlor epoxide MR 8 SDWIS / PA1150191 / 2067
2023 Chlordane MR 8 SDWIS / PA1150191 / 2959
2023 Di(2-ethylhexyl) adipate MR 8 SDWIS / PA1150191 / 2035
2023 Atrazine MR 8 SDWIS / PA1150191 / 2050
2023 Heptachlor MR 8 SDWIS / PA1150191 / 2065
2023 Hexachlorocyclopentadiene MR 8 SDWIS / PA1150191 / 2042
2023 BHC-GAMMA MR 8 SDWIS / PA1150191 / 2010
2022 TTHM MR 16 SDWIS / PA1150191 / 2950

How Elverson Water Company Compares

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

Metric Elverson Water Company Pennsylvania avg Federal benchmark
Total violations 322 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 1,641 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 Elverson Water Company water safe to drink? ▼
Elverson Water Company (PWS ID: PA1150191) has 322 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,641 people using Groundwater sources.
How many people does Elverson Water Company serve? ▼
Elverson Water Company serves 1,641 people in Elverson, Pennsylvania. It is a Private-owned system using Groundwater water sources with 597 service connections.
What type of violations does Elverson Water Company have? ▼
Elverson Water Company has 322 total violations: 4 health-based violations (MCL exceedances or treatment failures), 302 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Elverson Water Company water? ▼
No PFAS testing data is available for Elverson Water Company under the EPA's UCMR5 monitoring program.
What water source does Elverson Water Company use? ▼
Elverson Water Company 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.