PlainWater

HILLENDALE-ON-THE-DELAWARE

PWS ID: PA3480026 · MARTINS CREEK, Pennsylvania 18063

HILLENDALE-ON-THE-DELAWARE serves 150 people in MARTINS CREEK, Pennsylvania using Groundwater water sources. It has 147 recorded EPA violations, including 13 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HILLENDALE-ON-THE-DELAWARE

HILLENDALE-ON-THE-DELAWARE is a private-owned community water system that delivers drinking water to 150 residents in MARTINS CREEK, Pennsylvania (Northampton County) through 54 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 147 total violations for this system , of which 13 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 109 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 Consumer Confidence Rule, recorded in 22 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. HILLENDALE-ON-THE-DELAWARE's 147 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
150
Total Violations
147
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
54
County
Northampton
School/Daycare
No
MCL Violations
3
Monitoring Violations
109
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 22 2025
Groundwater Rule TT 10 2014
Groundwater Rule MR 9 2023
1,2,4-Trichlorobenzene MR 4 1998
DICHLOROMETHANE MR 4 1998
trans-1,2-Dichloroethylene MR 4 1998
1,2-Dichloroethane MR 4 1998
1,1,1-Trichloroethane MR 4 1998
Carbon tetrachloride MR 4 1998
CHLOROBENZENE MR 4 1998
Benzene MR 4 1998
Toluene MR 4 1998
Coliform (TCR) MR 4 1999
Tetrachloroethylene MR 4 1998
1,1-Dichloroethylene MR 4 1998
Xylenes, Total MR 4 1998
Trichloroethylene MR 4 1998
Styrene MR 4 1998
cis-1,2-Dichloroethylene MR 4 1998
1,2-Dichloropropane MR 4 1998
p-Dichlorobenzene MR 4 1998
Ethylbenzene MR 4 1998
o-Dichlorobenzene MR 4 1998
1,1,2-Trichloroethane MR 4 1998
Radium-226 MR 3 2022
Radium-228 MR 3 2022
Nitrate MCL 3 1998
Chlorine MR 2 2004
Methoxychlor MR 1 1982
Toxaphene MR 1 1982

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 HILLENDALE-ON-THE-DELAWARE.

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 PA3480026 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 HILLENDALE-ON-THE-DELAWARE 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 Consumer Confidence Rule Other 22 SDWIS / PA3480026 / 7000
2023 Groundwater Rule MR 9 SDWIS / PA3480026 / 0700
2022 Radium-226 MR 3 SDWIS / PA3480026 / 4020
2022 Radium-228 MR 3 SDWIS / PA3480026 / 4030
2014 Groundwater Rule TT 10 SDWIS / PA3480026 / 0700
2004 Chlorine MR 2 SDWIS / PA3480026 / 0999
1999 Coliform (TCR) MR 4 SDWIS / PA3480026 / 3100
1998 1,2,4-Trichlorobenzene MR 4 SDWIS / PA3480026 / 2378
1998 DICHLOROMETHANE MR 4 SDWIS / PA3480026 / 2964
1998 trans-1,2-Dichloroethylene MR 4 SDWIS / PA3480026 / 2979
1998 1,2-Dichloroethane MR 4 SDWIS / PA3480026 / 2980
1998 1,1,1-Trichloroethane MR 4 SDWIS / PA3480026 / 2981
1998 Carbon tetrachloride MR 4 SDWIS / PA3480026 / 2982
1998 CHLOROBENZENE MR 4 SDWIS / PA3480026 / 2989
1998 Benzene MR 4 SDWIS / PA3480026 / 2990

How HILLENDALE-ON-THE-DELAWARE Compares

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

Metric HILLENDALE-ON-THE-DELAWARE Pennsylvania avg Federal benchmark
Total violations 147 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 13 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 150 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 HILLENDALE-ON-THE-DELAWARE water safe to drink?
HILLENDALE-ON-THE-DELAWARE (PWS ID: PA3480026) has 147 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does HILLENDALE-ON-THE-DELAWARE serve?
HILLENDALE-ON-THE-DELAWARE serves 150 people in MARTINS CREEK, Pennsylvania. It is a Private-owned system using Groundwater water sources with 54 service connections.
What type of violations does HILLENDALE-ON-THE-DELAWARE have?
HILLENDALE-ON-THE-DELAWARE has 147 total violations: 13 health-based violations (MCL exceedances or treatment failures), 109 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HILLENDALE-ON-THE-DELAWARE water?
No PFAS testing data is available for HILLENDALE-ON-THE-DELAWARE under the EPA's UCMR5 monitoring program.
What water source does HILLENDALE-ON-THE-DELAWARE use?
HILLENDALE-ON-THE-DELAWARE 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.

Related

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