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Community Water System · PWS PA3480032

Walnutport Authority

Walnutport, Pennsylvania 18088 - drinking water served from surface water sources to 3,000 people, tracked in EPA SDWIS and UCMR5.

3,000
People served
672
EPA violations
22
Health-based
Untested
UCMR5 result

The verdict

EPA records 672 drinking-water violations at Walnutport Authority, 3% of them health-based - above the Pennsylvania per-system average.

672
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
3,000
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Walnutport Authority

Walnutport Authority is a local-owned community water system that delivers drinking water to 3,000 residents in Walnutport, Pennsylvania (Northampton County) through 1,107 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 672 total violations for this system , of which 22 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 616 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 1,2,4-Trichlorobenzene, recorded in 13 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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Walnutport Authority's 672 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
3,000
Total Violations
672
Health-Based Violations
22
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,107
County
Northampton
School/Daycare
No
MCL Violations
12
Monitoring Violations
616
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 13 2023
Xylenes, Total MR 13 2023
DICHLOROMETHANE MR 13 2023
o-Dichlorobenzene MR 13 2023
p-Dichlorobenzene MR 13 2023
trans-1,2-Dichloroethylene MR 13 2023
1,2-Dichloroethane MR 13 2023
Carbon tetrachloride MR 13 2023
1,2-Dichloropropane MR 13 2023
Trichloroethylene MR 13 2023
1,1,2-Trichloroethane MR 13 2023
CHLOROBENZENE MR 13 2023
Toluene MR 13 2023
Styrene MR 13 2023
1,1-Dichloroethylene MR 13 2023
1,1,1-Trichloroethane MR 13 2023
Benzene MR 13 2023
Ethylbenzene MR 13 2023
cis-1,2-Dichloroethylene MR 13 2023
Tetrachloroethylene MR 13 2023
Total Haloacetic Acids (HAA5) MR 12 2014
TTHM MR 12 2014
Endrin MR 10 2015
Endothall MR 10 2023
Selenium MR 10 2021
Thallium, Total MR 10 2021
Methoxychlor MR 9 2015
Surface Water Treatment Rule MR 9 2019
Toxaphene MR 9 2015
2,4-D MR 9 2015

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 Walnutport Authority.

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 PA3480032 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 Walnutport Authority 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 Revised Total Coliform Rule TT 4 SDWIS / PA3480032 / 8000
2024 Revised Total Coliform Rule MCL 4 SDWIS / PA3480032 / 8000
2024 Public Notice Other 4 SDWIS / PA3480032 / 7500
2024 Revised Total Coliform Rule RPT 3 SDWIS / PA3480032 / 8000
2023 1,2,4-Trichlorobenzene MR 13 SDWIS / PA3480032 / 2378
2023 Xylenes, Total MR 13 SDWIS / PA3480032 / 2955
2023 DICHLOROMETHANE MR 13 SDWIS / PA3480032 / 2964
2023 o-Dichlorobenzene MR 13 SDWIS / PA3480032 / 2968
2023 p-Dichlorobenzene MR 13 SDWIS / PA3480032 / 2969
2023 trans-1,2-Dichloroethylene MR 13 SDWIS / PA3480032 / 2979
2023 1,2-Dichloroethane MR 13 SDWIS / PA3480032 / 2980
2023 Carbon tetrachloride MR 13 SDWIS / PA3480032 / 2982
2023 1,2-Dichloropropane MR 13 SDWIS / PA3480032 / 2983
2023 Trichloroethylene MR 13 SDWIS / PA3480032 / 2984
2023 1,1,2-Trichloroethane MR 13 SDWIS / PA3480032 / 2985

How Walnutport Authority Compares

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

Metric Walnutport Authority Pennsylvania avg Federal benchmark
Total violations 672 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 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 3,000 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 Walnutport Authority water safe to drink? ▼
Walnutport Authority (PWS ID: PA3480032) has 672 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,000 people using Surface Water sources.
How many people does Walnutport Authority serve? ▼
Walnutport Authority serves 3,000 people in Walnutport, Pennsylvania. It is a Local-owned system using Surface Water water sources with 1,107 service connections.
What type of violations does Walnutport Authority have? ▼
Walnutport Authority has 672 total violations: 22 health-based violations (MCL exceedances or treatment failures), 616 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Walnutport Authority water? ▼
No PFAS testing data is available for Walnutport Authority under the EPA's UCMR5 monitoring program.
What water source does Walnutport Authority use? ▼
Walnutport Authority uses Surface Water 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.