PlainWater

MILLERSTOWN BORO WATER

PWS ID: PA7500021 · MILLERSTOWN, Pennsylvania 17062

MILLERSTOWN BORO WATER serves 700 people in MILLERSTOWN, Pennsylvania using Groundwater water sources. It has 87 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MILLERSTOWN BORO WATER

MILLERSTOWN BORO WATER is a local-owned community water system that delivers drinking water to 700 residents in MILLERSTOWN, Pennsylvania (Perry County) through 299 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 87 total violations for this system , of which 4 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 57 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 Consumer Confidence Rule, recorded in 20 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. MILLERSTOWN BORO WATER's 87 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
700
Total Violations
87
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
299
County
Perry
School/Daycare
No
MCL Violations
4
Monitoring Violations
57
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 20 2018
Chlorine MR 9 2004
Total Haloacetic Acids (HAA5) MR 8 2024
TTHM MR 7 2024
Toxaphene MR 6 2012
Coliform (TCR) MR 4 2015
Groundwater Rule MR 4 2018
Public Notice Other 4 2015
Coliform (TCR) MCL 4 2015
Chlordane MR 4 2012
Revised Total Coliform Rule MON 2 2024
Endrin MR 1 1982
Arsenic MR 1 1982
Methoxychlor MR 1 1982
Fluoride MR 1 1982
Cadmium MR 1 1982
2,4-D MR 1 1982
Barium MR 1 1982
Selenium MR 1 1982
Nitrate MR 1 1982
Mercury MR 1 1982
Chromium MR 1 1982
2,4,5-TP MR 1 1982
BHC-GAMMA 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 MILLERSTOWN BORO 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 PA7500021 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 MILLERSTOWN BORO 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
2024 Total Haloacetic Acids (HAA5) MR 8 SDWIS / PA7500021 / 2456
2024 TTHM MR 7 SDWIS / PA7500021 / 2950
2024 Revised Total Coliform Rule MON 2 SDWIS / PA7500021 / 8000
2018 Consumer Confidence Rule Other 20 SDWIS / PA7500021 / 7000
2018 Groundwater Rule MR 4 SDWIS / PA7500021 / 0700
2015 Coliform (TCR) MR 4 SDWIS / PA7500021 / 3100
2015 Public Notice Other 4 SDWIS / PA7500021 / 7500
2015 Coliform (TCR) MCL 4 SDWIS / PA7500021 / 3100
2012 Toxaphene MR 6 SDWIS / PA7500021 / 2020
2012 Chlordane MR 4 SDWIS / PA7500021 / 2959
2004 Chlorine MR 9 SDWIS / PA7500021 / 0999
1982 Endrin MR 1 SDWIS / PA7500021 / 2005
1982 Arsenic MR 1 SDWIS / PA7500021 / 1005
1982 Methoxychlor MR 1 SDWIS / PA7500021 / 2015
1982 Fluoride MR 1 SDWIS / PA7500021 / 1025

How MILLERSTOWN BORO WATER Compares

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

Metric MILLERSTOWN BORO WATER Pennsylvania avg Federal benchmark
Total violations 87 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 700 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 MILLERSTOWN BORO WATER water safe to drink?
MILLERSTOWN BORO WATER (PWS ID: PA7500021) has 87 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 700 people using Groundwater sources.
How many people does MILLERSTOWN BORO WATER serve?
MILLERSTOWN BORO WATER serves 700 people in MILLERSTOWN, Pennsylvania. It is a Local-owned system using Groundwater water sources with 299 service connections.
What type of violations does MILLERSTOWN BORO WATER have?
MILLERSTOWN BORO WATER has 87 total violations: 4 health-based violations (MCL exceedances or treatment failures), 57 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MILLERSTOWN BORO WATER water?
No PFAS testing data is available for MILLERSTOWN BORO WATER under the EPA's UCMR5 monitoring program.
What water source does MILLERSTOWN BORO WATER use?
MILLERSTOWN BORO 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.

Explore PlainWater

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