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Transient Non-Community Water System · PWS PA7671350

Penn Grove Retreat

Hanover, Pennsylvania 17331 - drinking water served from groundwater sources to 326 people, tracked in EPA SDWIS and UCMR5.

326
People served
287
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 287 drinking-water violations at Penn Grove Retreat, 4% of them health-based - above the Pennsylvania per-system average.

287
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
326
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Penn Grove Retreat

Penn Grove Retreat is a public/private-owned transient non-community water system that delivers drinking water to 326 residents in Hanover, Pennsylvania (York County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 287 total violations for this system , of which 11 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 244 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 Revised Total Coliform Rule, recorded in 140 violations (MON). 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%).

Penn Grove Retreat's 287 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
326
Total Violations
287
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Public/Private
Connections
10
County
York
School/Daycare
No
MCL Violations
1
Monitoring Violations
244
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 140 2025
Nitrite MR 42 2024
Coliform (TCR) MR 32 2016
Nitrate MR 28 2024
Revised Total Coliform Rule RPT 17 2024
Public Notice Other 10 2020
Revised Total Coliform Rule TT 10 2024
E. COLI MR 2 2013
Revised Total Coliform Rule MCL 1 2016

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 Penn Grove Retreat.

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 PA7671350 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 Penn Grove Retreat 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 140 SDWIS / PA7671350 / 8000
2024 Nitrite MR 42 SDWIS / PA7671350 / 1041
2024 Nitrate MR 28 SDWIS / PA7671350 / 1040
2024 Revised Total Coliform Rule RPT 17 SDWIS / PA7671350 / 8000
2024 Revised Total Coliform Rule TT 10 SDWIS / PA7671350 / 8000
2020 Public Notice Other 10 SDWIS / PA7671350 / 7500
2016 Coliform (TCR) MR 32 SDWIS / PA7671350 / 3100
2016 Revised Total Coliform Rule MCL 1 SDWIS / PA7671350 / 8000
2013 E. COLI MR 2 SDWIS / PA7671350 / 3014

How Penn Grove Retreat Compares

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

Metric Penn Grove Retreat Pennsylvania avg Federal benchmark
Total violations 287 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 326 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 Penn Grove Retreat water safe to drink? ▼
Penn Grove Retreat (PWS ID: PA7671350) has 287 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 326 people using Groundwater sources.
How many people does Penn Grove Retreat serve? ▼
Penn Grove Retreat serves 326 people in Hanover, Pennsylvania. It is a Public/Private-owned system using Groundwater water sources with 10 service connections.
What type of violations does Penn Grove Retreat have? ▼
Penn Grove Retreat has 287 total violations: 11 health-based violations (MCL exceedances or treatment failures), 244 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Penn Grove Retreat water? ▼
No PFAS testing data is available for Penn Grove Retreat under the EPA's UCMR5 monitoring program.
What water source does Penn Grove Retreat use? ▼
Penn Grove Retreat uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.