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Community Water System · PWS PA7220057

Grantville MHP

Farmington Hills, Pennsylvania 48334 - drinking water served from groundwater sources to 1,040 people, tracked in EPA SDWIS and UCMR5.

1,040
People served
745
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 745 drinking-water violations at Grantville MHP - above the Pennsylvania per-system average.

745
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
1,040
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Grantville MHP

Grantville MHP is a private-owned community water system that delivers drinking water to 1,040 residents in Farmington Hills, Pennsylvania (Dauphin County) through 350 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 745 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 521 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Public Notice, recorded in 210 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%).

Grantville MHP's 745 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
1,040
Total Violations
745
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
350
County
Dauphin
School/Daycare
No
MCL Violations
0
Monitoring Violations
521
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 210 2013
Chlorine MR 39 2020
Coliform (TCR) MR 22 2012
Groundwater Rule MR 17 2024
BHC-GAMMA MR 14 2012
Glyphosate MR 14 2012
OXAMYL MR 14 2012
Simazine MR 14 2012
Di(2-ethylhexyl) phthalate MR 14 2012
2,3,7,8-TCDD MR 14 2012
Heptachlor epoxide MR 14 2012
2,4,5-TP MR 14 2012
Toxaphene MR 14 2012
Diquat MR 14 2012
Picloram MR 14 2012
LASSO MR 14 2012
Total Polychlorinated Biphenyls (PCB) MR 14 2012
Chlordane MR 14 2012
Consumer Confidence Rule Other 12 2008
Dalapon MR 12 2012
Endothall MR 12 2012
Di(2-ethylhexyl) adipate MR 12 2012
Hexachlorocyclopentadiene MR 12 2012
Atrazine MR 12 2012
Benzo(a)pyrene MR 12 2012
1,2-DIBROMO-3-CHLOROPROPANE MR 12 2012
ETHYLENE DIBROMIDE MR 12 2012
Endrin MR 12 2012
Methoxychlor MR 12 2012
Dinoseb MR 12 2012

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 Grantville MHP.

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 PA7220057 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 Grantville MHP 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
2024 Groundwater Rule MR 17 SDWIS / PA7220057 / 0700
2022 Lead and Copper Rule MR 9 SDWIS / PA7220057 / 5000
2021 Revised Total Coliform Rule MON 1 SDWIS / PA7220057 / 8000
2020 Chlorine MR 39 SDWIS / PA7220057 / 0999
2013 Public Notice Other 210 SDWIS / PA7220057 / 7500
2012 Coliform (TCR) MR 22 SDWIS / PA7220057 / 3100
2012 BHC-GAMMA MR 14 SDWIS / PA7220057 / 2010
2012 Glyphosate MR 14 SDWIS / PA7220057 / 2034
2012 OXAMYL MR 14 SDWIS / PA7220057 / 2036
2012 Simazine MR 14 SDWIS / PA7220057 / 2037
2012 Di(2-ethylhexyl) phthalate MR 14 SDWIS / PA7220057 / 2039
2012 2,3,7,8-TCDD MR 14 SDWIS / PA7220057 / 2063
2012 Heptachlor epoxide MR 14 SDWIS / PA7220057 / 2067
2012 2,4,5-TP MR 14 SDWIS / PA7220057 / 2110
2012 Toxaphene MR 14 SDWIS / PA7220057 / 2020

How Grantville MHP Compares

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

Metric Grantville MHP Pennsylvania avg Federal benchmark
Total violations 745 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 1,040 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 Grantville MHP water safe to drink? ▼
Grantville MHP (PWS ID: PA7220057) has 745 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,040 people using Groundwater sources.
How many people does Grantville MHP serve? ▼
Grantville MHP serves 1,040 people in Farmington Hills, Pennsylvania. It is a Private-owned system using Groundwater water sources with 350 service connections.
What type of violations does Grantville MHP have? ▼
Grantville MHP has 745 total violations: 0 health-based violations (MCL exceedances or treatment failures), 521 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Grantville MHP water? ▼
No PFAS testing data is available for Grantville MHP under the EPA's UCMR5 monitoring program.
What water source does Grantville MHP use? ▼
Grantville MHP 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.