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Transient Non-Community Water System · PWS PA7380388

Twin Grove Park

Pine Grove, Pennsylvania 17963 - drinking water served from groundwater sources to 500 people, tracked in EPA SDWIS and UCMR5.

500
People served
43
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 43 drinking-water violations at Twin Grove Park, 7% of them health-based - below the Pennsylvania per-system average.

43
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Twin Grove Park

Twin Grove Park is a private-owned transient non-community water system that delivers drinking water to 500 residents in Pine Grove, Pennsylvania (Lebanon County) through 240 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 43 total violations for this system , of which 3 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 25 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 9 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%).

Twin Grove Park's 43 violations sit below 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
500
Total Violations
43
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
240
County
Lebanon
School/Daycare
No
MCL Violations
3
Monitoring Violations
25
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 9 2020
Nitrate MR 7 2008
Coliform (TCR) MR 7 2010
Coliform (TCR) MCL 3 1993
Revised Total Coliform Rule Other 3 2016
Nitrite MR 2 1999
Public Notice Other 2 2010

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 Twin Grove Park.

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 PA7380388 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 Twin Grove Park 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
2020 Revised Total Coliform Rule MON 9 SDWIS / PA7380388 / 8000
2016 Revised Total Coliform Rule Other 3 SDWIS / PA7380388 / 8000
2010 Coliform (TCR) MR 7 SDWIS / PA7380388 / 3100
2010 Public Notice Other 2 SDWIS / PA7380388 / 7500
2008 Nitrate MR 7 SDWIS / PA7380388 / 1040
1999 Nitrite MR 2 SDWIS / PA7380388 / 1041
1993 Coliform (TCR) MCL 3 SDWIS / PA7380388 / 3100

How Twin Grove Park Compares

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

Metric Twin Grove Park Pennsylvania avg Federal benchmark
Total violations 43 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 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 500 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 Twin Grove Park water safe to drink? ▼
Twin Grove Park (PWS ID: PA7380388) has 43 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does Twin Grove Park serve? ▼
Twin Grove Park serves 500 people in Pine Grove, Pennsylvania. It is a Private-owned system using Groundwater water sources with 240 service connections.
What type of violations does Twin Grove Park have? ▼
Twin Grove Park has 43 total violations: 3 health-based violations (MCL exceedances or treatment failures), 25 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Twin Grove Park water? ▼
No PFAS testing data is available for Twin Grove Park under the EPA's UCMR5 monitoring program.
What water source does Twin Grove Park use? ▼
Twin Grove Park 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.