Public water system · PA5020039
ActivePa Amer Water Co-Pittsburgh
At a glance
Pa Amer Water Co-Pittsburgh (PWSID PA5020039) is an active community water system in Allegheny County, Pennsylvania. It reports serving 686,000 people through 215,173 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in December 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
686,000
Service connections
215,173
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Pa Amer Water Co-Pittsburgh compare with other water systems in Allegheny County?
By EPA's size categories, Pa Amer Water Co-Pittsburgh is a very large system (more than 100,000 people). Allegheny County has 65 active public water systems, and Pa Amer Water Co-Pittsburgh is the largest of them by population served. Its population served is about 22 times the county average of 31,017 people per system, and accounts for 34% of the 2,016,109 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-Pittsburgh is about 102 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-Pittsburgh?
EPA lists Pa Amer Water Co-Pittsburgh 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. 18 of the 65 active systems in Allegheny County (28%) are also privately owned.
Does Pa Amer Water Co-Pittsburgh have drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in December 2017. The violations listed here began between October 1991 and December 2017. By type: 5 monitoring and reporting, 2 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (2 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2017-12-12 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-11-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2017-11-01 | Monitoring and reportingFailure Submit Filter Profile/CPE Report · code 29 | Interim Enhanced Surface Water Treatment Rulecode 0300 | 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 |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross Beta Particle Activitycode 4100 | No | Resolved |
| 2000-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1994-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1992-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Archived |
| 1991-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
All 9 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-Pittsburgh: frequently asked questions
Who runs Pa Amer Water Co-Pittsburgh?
Pa Amer Water Co-Pittsburgh (PWSID PA5020039) 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-Pittsburgh serve?
Pa Amer Water Co-Pittsburgh reports serving 686,000 people through 215,173 service connections in Allegheny County, Pennsylvania.
Where does Pa Amer Water Co-Pittsburgh 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-Pittsburgh have any drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in December 2017. 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-Pittsburgh'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 9 violations for this system; 2 are health-based, and the most recent began in December 2017. 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-Pittsburgh's water quality report?
As a community water system, Pa Amer Water Co-Pittsburgh 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 Allegheny County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pittsburgh Water & Sewer Auth | Allegheny | 520,000 | Community | Surface water |
| West View Water Authority | Allegheny | 200,000 | Community | Surface water |
| Wilkinsburg-Penn Jt Water Auth | Allegheny | 125,000 | Community | Surface water |
| Hampton Shaler Water Authority | Allegheny | 61,949 | Community | Purchased surface water |
| Monroeville Municipal Auth | Allegheny | 48,500 | Community | Purchased surface water |
| Oakmont Water Authority | Allegheny | 39,901 | 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-Pittsburgh, PWSID PA5020039, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/pa-amer-water-co-pittsburgh-pa5020039 (data as of October 1, 2026).