PlainWater
States → Pennsylvania

MILLERSBURG WATER AUTH

PWS ID: PA7220034 · MILLERSBURG, Pennsylvania 17061

MILLERSBURG WATER AUTH serves 4,600 people in MILLERSBURG, Pennsylvania using Surface Water water sources. It has 221 recorded EPA violations, including 2 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (5 compounds found).

Water Quality Snapshot: MILLERSBURG WATER AUTH

MILLERSBURG WATER AUTH is a local-owned community water system that delivers drinking water to 4,600 residents in MILLERSBURG, Pennsylvania (Dauphin County) through 1,978 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 221 total violations for this system , of which 2 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 210 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 5 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 42.4 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. MILLERSBURG WATER AUTH's 221 violations sit above 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.

PFAS Detected

5 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
4,600
Total Violations
221
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,978
County
Dauphin
School/Daycare
No
MCL Violations
1
Monitoring Violations
210
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2010
Surface Water Treatment Rule MR 7 2011
BHC-GAMMA MR 7 2023
Endrin MR 7 2023
Methoxychlor MR 7 2023
Hexachlorocyclopentadiene MR 6 2023
LASSO MR 6 2023
HEXACHLOROBENZENE MR 6 2023
Heptachlor epoxide MR 6 2023
Heptachlor MR 6 2023
1,2,4-Trichlorobenzene MR 5 1995
DICHLOROMETHANE MR 5 1995
p-Dichlorobenzene MR 5 1995
1,2-Dichloropropane MR 5 1995
Trichloroethylene MR 5 1995
1,1,2-Trichloroethane MR 5 1995
Tetrachloroethylene MR 5 1995
CHLOROBENZENE MR 5 1995
Benzene MR 5 1995
Ethylbenzene MR 5 1995
1,1,1-Trichloroethane MR 5 1995
Toluene MR 5 1995
1,1-Dichloroethylene MR 5 1995
1,2-Dichloroethane MR 5 1995
cis-1,2-Dichloroethylene MR 5 1995
Carbon tetrachloride MR 5 1995
Xylenes, Total MR 5 1995
trans-1,2-Dichloroethylene MR 5 1995
Styrene MR 5 1995
o-Dichlorobenzene MR 5 1995

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 14 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 8/22/2023 0.0035 µg/L 0.003 µg/L Detected
6:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/22/2023 25.8000 µg/L 9 µg/L Detected
NMeFOSAA 8/22/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/22/2023 <0.008 µg/L 0.008 µg/L Not Detected
NFDHA 8/22/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/22/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFOA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/22/2023 0.0056 µg/L 0.004 µg/L Detected
PFNA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/22/2023 0.0032 µg/L 0.003 µg/L Detected
PFTrDA 8/22/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHxA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/22/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/22/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFBA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/22/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected

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 MILLERSBURG WATER AUTH.

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 PA7220034 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 MILLERSBURG WATER AUTH 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
2023 BHC-GAMMA MR 7 SDWIS / PA7220034 / 2010
2023 Endrin MR 7 SDWIS / PA7220034 / 2005
2023 Methoxychlor MR 7 SDWIS / PA7220034 / 2015
2023 Hexachlorocyclopentadiene MR 6 SDWIS / PA7220034 / 2042
2023 LASSO MR 6 SDWIS / PA7220034 / 2051
2023 HEXACHLOROBENZENE MR 6 SDWIS / PA7220034 / 2274
2023 Heptachlor epoxide MR 6 SDWIS / PA7220034 / 2067
2023 Heptachlor MR 6 SDWIS / PA7220034 / 2065
2023 Toxaphene MR 3 SDWIS / PA7220034 / 2020
2023 Chlordane MR 2 SDWIS / PA7220034 / 2959
2023 Total Polychlorinated Biphenyls (PCB) MR 2 SDWIS / PA7220034 / 2383
2021 CARBON, TOTAL MR 2 SDWIS / PA7220034 / 2920
2019 Total Haloacetic Acids (HAA5) MR 4 SDWIS / PA7220034 / 2456
2019 TTHM MR 4 SDWIS / PA7220034 / 2950
2017 Atrazine MR 4 SDWIS / PA7220034 / 2050

How MILLERSBURG WATER AUTH Compares

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

Metric MILLERSBURG WATER AUTH Pennsylvania avg Federal benchmark
Total violations 221 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 5 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,600 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 MILLERSBURG WATER AUTH water safe to drink? ▼
MILLERSBURG WATER AUTH (PWS ID: PA7220034) has 221 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 5 PFAS compounds found. This system serves 4,600 people using Surface Water sources.
How many people does MILLERSBURG WATER AUTH serve? ▼
MILLERSBURG WATER AUTH serves 4,600 people in MILLERSBURG, Pennsylvania. It is a Local-owned system using Surface Water water sources with 1,978 service connections.
What type of violations does MILLERSBURG WATER AUTH have? ▼
MILLERSBURG WATER AUTH has 221 total violations: 2 health-based violations (MCL exceedances or treatment failures), 210 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MILLERSBURG WATER AUTH water? ▼
Yes. UCMR5 testing detected 5 PFAS compounds in MILLERSBURG WATER AUTH's water supply: PFHxS, lithium, PFOS, PFBS, PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does MILLERSBURG WATER AUTH use? ▼
MILLERSBURG WATER AUTH 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.

Explore PlainWater

Water in Pennsylvania

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Pennsylvania

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

Related

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