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Community Water System · PWS PA7220036

PA American Water Steelton

Hummelstown, Pennsylvania 17036 - drinking water served from surface water sources to 6,428 people, tracked in EPA SDWIS and UCMR5.

6,428
People served
226
EPA violations
131
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 226 drinking-water violations at PA American Water Steelton, 58% of them health-based - above the Pennsylvania per-system average.

226
Total EPA violations on record
58%
Health-based (MCL / treatment failure)
6,428
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: PA American Water Steelton

PA American Water Steelton is a local-owned community water system that delivers drinking water to 6,428 residents in Hummelstown, Pennsylvania (Dauphin County) through 2,455 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 226 total violations for this system , of which 131 (58%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is TTHM, recorded in 67 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

PA American Water Steelton's 226 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
6,428
Total Violations
226
Health-Based Violations
131
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,455
County
Dauphin
School/Daycare
No
MCL Violations
123
Monitoring Violations
41
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 67 2017
Total Haloacetic Acids (HAA5) MCL 56 2018
Public Notice Other 39 2017
Consumer Confidence Rule Other 12 2008
Coliform (TCR) MR 10 2013
CARBON, TOTAL MR 6 2007
Interim Enhanced Surface Water Treatment Rule MR 6 2013
Total Haloacetic Acids (HAA5) MR 6 2016
TTHM MR 4 2013
Revised Total Coliform Rule TT 4 2017
Hexachlorocyclopentadiene MR 4 2018
Surface Water Treatment Rule MR 2 2007
Revised Total Coliform Rule RPT 2 2017
Surface Water Treatment Rule TT 2 1991
Arsenic MR 2 1993
Interim Enhanced Surface Water Treatment Rule TT 2 2014
Gross Alpha, Excl. Radon and U MR 1 1976

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/23/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/23/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFOS 9/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 9/23/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/23/2024 <2.00 ppt 2.00 ppt Not Detected
PFEESA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/23/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 9/23/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/23/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/23/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/23/2024 <6.00 ppt 6.00 ppt Not Detected
PFMBA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/23/2024 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/23/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/1/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
PFOA 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/1/2024 <20.00 ppt 20.00 ppt Not Detected
PFMBA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/1/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/1/2024 <7.00 ppt 7.00 ppt Not Detected
PFEESA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
PFBS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/1/2024 <3.00 ppt 3.00 ppt 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 PA American Water Steelton.

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 PA7220036 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 PA American Water Steelton 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
2018 Total Haloacetic Acids (HAA5) MCL 56 SDWIS / PA7220036 / 2456
2018 Hexachlorocyclopentadiene MR 4 SDWIS / PA7220036 / 2042
2017 TTHM MCL 67 SDWIS / PA7220036 / 2950
2017 Public Notice Other 39 SDWIS / PA7220036 / 7500
2017 Revised Total Coliform Rule TT 4 SDWIS / PA7220036 / 8000
2017 Revised Total Coliform Rule RPT 2 SDWIS / PA7220036 / 8000
2016 Total Haloacetic Acids (HAA5) MR 6 SDWIS / PA7220036 / 2456
2014 Interim Enhanced Surface Water Treatment Rule TT 2 SDWIS / PA7220036 / 0300
2013 Coliform (TCR) MR 10 SDWIS / PA7220036 / 3100
2013 Interim Enhanced Surface Water Treatment Rule MR 6 SDWIS / PA7220036 / 0300
2013 TTHM MR 4 SDWIS / PA7220036 / 2950
2008 Consumer Confidence Rule Other 12 SDWIS / PA7220036 / 7000
2007 CARBON, TOTAL MR 6 SDWIS / PA7220036 / 2920
2007 Surface Water Treatment Rule MR 2 SDWIS / PA7220036 / 0200
1993 Arsenic MR 2 SDWIS / PA7220036 / 1005

How PA American Water Steelton Compares

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

Metric PA American Water Steelton Pennsylvania avg Federal benchmark
Total violations 226 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 131 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 6,428 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 PA American Water Steelton water safe to drink?
PA American Water Steelton (PWS ID: PA7220036) has 226 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 6,428 people using Surface Water sources.
How many people does PA American Water Steelton serve?
PA American Water Steelton serves 6,428 people in Hummelstown, Pennsylvania. It is a Local-owned system using Surface Water water sources with 2,455 service connections.
What type of violations does PA American Water Steelton have?
PA American Water Steelton has 226 total violations: 131 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PA American Water Steelton water?
No. PA American Water Steelton was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does PA American Water Steelton use?
PA American Water Steelton 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.