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UPPER HALFMOON WATER

PWS ID: PA4140109 · PORT MATILDA, Pennsylvania 16870

UPPER HALFMOON WATER serves 1,500 people in PORT MATILDA, Pennsylvania using Groundwater water sources. It has 124 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: UPPER HALFMOON WATER

UPPER HALFMOON WATER is a private-owned community water system that delivers drinking water to 1,500 residents in PORT MATILDA, Pennsylvania (Centre County) through 618 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 124 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 118 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Atrazine, recorded in 12 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. UPPER HALFMOON WATER's 124 violations sit below the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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
1,500
Total Violations
124
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
618
County
Centre
School/Daycare
No
MCL Violations
0
Monitoring Violations
118
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 12 2017
Endrin MR 6 2017
BHC-GAMMA MR 6 2017
Di(2-ethylhexyl) adipate MR 6 2017
Simazine MR 6 2017
Di(2-ethylhexyl) phthalate MR 6 2017
Heptachlor epoxide MR 6 2017
Benzo(a)pyrene MR 6 2017
Chlordane MR 6 2017
Hexachlorocyclopentadiene MR 6 2017
HEXACHLOROBENZENE MR 6 2017
Methoxychlor MR 6 2017
Heptachlor MR 6 2017
LASSO MR 6 2017
Glyphosate MR 5 2011
2,4-D MR 5 2011
Coliform (TCR) MR 4 2003
Chlorine MR 3 2017
Consumer Confidence Rule Other 3 2002
Lead and Copper Rule MR 2 1999
Combined Uranium MR 2 2016
Radium-228 MR 2 2016
Revised Total Coliform Rule RPT 2 2017
Radium-226 MR 2 2016
Gross Alpha, Excl. Radon and U MR 2 2016
Groundwater Rule MR 1 2017

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 UPPER HALFMOON WATER.

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 PA4140109 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 UPPER HALFMOON WATER 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
2017 Atrazine MR 12 SDWIS / PA4140109 / 2050
2017 Endrin MR 6 SDWIS / PA4140109 / 2005
2017 BHC-GAMMA MR 6 SDWIS / PA4140109 / 2010
2017 Di(2-ethylhexyl) adipate MR 6 SDWIS / PA4140109 / 2035
2017 Simazine MR 6 SDWIS / PA4140109 / 2037
2017 Di(2-ethylhexyl) phthalate MR 6 SDWIS / PA4140109 / 2039
2017 Heptachlor epoxide MR 6 SDWIS / PA4140109 / 2067
2017 Benzo(a)pyrene MR 6 SDWIS / PA4140109 / 2306
2017 Chlordane MR 6 SDWIS / PA4140109 / 2959
2017 Hexachlorocyclopentadiene MR 6 SDWIS / PA4140109 / 2042
2017 HEXACHLOROBENZENE MR 6 SDWIS / PA4140109 / 2274
2017 Methoxychlor MR 6 SDWIS / PA4140109 / 2015
2017 Heptachlor MR 6 SDWIS / PA4140109 / 2065
2017 LASSO MR 6 SDWIS / PA4140109 / 2051
2017 Chlorine MR 3 SDWIS / PA4140109 / 0999

How UPPER HALFMOON WATER Compares

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

Metric UPPER HALFMOON WATER Pennsylvania avg Federal benchmark
Total violations 124 150.6 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 1,500 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is UPPER HALFMOON WATER water safe to drink? ▼
UPPER HALFMOON WATER (PWS ID: PA4140109) has 124 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,500 people using Groundwater sources.
How many people does UPPER HALFMOON WATER serve? ▼
UPPER HALFMOON WATER serves 1,500 people in PORT MATILDA, Pennsylvania. It is a Private-owned system using Groundwater water sources with 618 service connections.
What type of violations does UPPER HALFMOON WATER have? ▼
UPPER HALFMOON WATER has 124 total violations: 0 health-based violations (MCL exceedances or treatment failures), 118 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in UPPER HALFMOON WATER water? ▼
No PFAS testing data is available for UPPER HALFMOON WATER under the EPA's UCMR5 monitoring program.
What water source does UPPER HALFMOON WATER use? ▼
UPPER HALFMOON WATER 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial