Public water system · PA7220017
ActivePa Amer Water Co
At a glance
Pa Amer Water Co (PWSID PA7220017) is an active community water system in Dauphin County, Pennsylvania. It reports serving 50,200 people through 20,279 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in September 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50,200
Service connections
20,279
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Pa Amer Water Co compare with other water systems in Dauphin County?
By EPA's size categories, Pa Amer Water Co is a large system (10,001 to 100,000 people). Dauphin County has 134 active public water systems, and Pa Amer Water Co is the 3rd-largest of them by population served. Its population served is about 23 times the county average of 2,176 people per system, and accounts for 17% of the 291,539 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active community water system reports serving 6,703 people, so Pa Amer Water Co is about 7.5 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Pennsylvania has 1,762 active community water systems, 24% of the state's 7,217 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 246 Pennsylvania systems (3.4%) list surface water as their primary source.
Who owns and regulates Pa Amer Water Co?
EPA lists Pa Amer Water Co as privately owned. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 89 of the 134 active systems in Dauphin County (66%) are also privately owned.
Does Pa Amer Water Co have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in September 2018. The violations listed here began between August 1976 and September 2018. By type: 5 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Surface Water Treatment Rule, Total trihalomethanes (TTHM), Haloacetic acids (HAA5) and Stage 2 Disinfectants and Disinfection Byproducts Rule. EPA lists 5 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-01-01 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 1994-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1976-08-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 6 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Pa Amer Water Co: frequently asked questions
Who runs Pa Amer Water Co?
Pa Amer Water Co (PWSID PA7220017) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Pa Amer Water Co serve?
Pa Amer Water Co reports serving 50,200 people through 20,279 service connections in Dauphin County, Pennsylvania.
Where does Pa Amer Water Co get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Pa Amer Water Co have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in September 2018. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Pa Amer Water Co's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in September 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Pa Amer Water Co's water quality report?
As a community water system, Pa Amer Water Co must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Dauphin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Veolia Water | Dauphin | 110,000 | Community | Surface water |
| Capital Region Water | Dauphin | 66,540 | Community | Surface water |
| Veolia Middletown | Dauphin | 9,600 | Community | Groundwater |
| Pa American Water Steelton | Dauphin | 6,428 | Community | Surface water |
| Penn National Gaming | Dauphin | 6,000 | Non-transient non-community | Groundwater |
| Millersburg Water Auth | Dauphin | 4,600 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Pa Amer Water Co, PWSID PA7220017, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/pa-amer-water-co-pa7220017 (data as of October 1, 2026).