County · Pennsylvania
Allegheny County, Pennsylvania: drinking water records
This overview covers 103 ZIP codes and 39 community water systems in Allegheny County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Pa Amer Water Co-Pittsburgh PA5020039 | 686,000 | 360 | 0 | 1 | 4 ppb |
| Pittsburgh Water & Sewer Auth PA5020038 | 520,000 | 120 | 0 | 2 | 2 ppb |
| West View Water Authority PA5020043 | 200,000 | 240 | 0 | 2 | 0 ppb |
| Wilkinsburg-Penn Jt Water Auth PA5020056 | 125,000 | 240 | 0 | 1 | 9.8 ppb |
| Monroeville Municipal Auth PA5020027 | 48,500 | 360 | 1 | 1 | 1.5 ppb |
| Moon TWP Muni Auth PA5020011 | 38,000 | 120 | 3 | 1 | 1.9 ppb |
| Plum Boro Muni Auth PA5020041 | 27,500 | 360 | 0 | 1 | 3.7 ppb |
| Western Allegheny County Mun a PA5020034 | 19,031 | 405 | 2 | 2 | 1.0 ppb |
| Findlay TWP Municipal Auth PA5020078 | 11,460 | 230 | 0 | 1 | 0 ppb |
| Edgeworth Boro Muni Auth PA5020015 | 7,781 | 240 | 0 | 2 | 0 ppb |
| Sewickley Boro Water Auth PA5020050 | 6,800 | 60 | 5 | 1 | 5.5 ppb |
| Duquesne Water Dept PA5020012 | 5,565 | 120 | 0 | 6 | 0 ppb |
| Tarentum Boro Water Dept PA5020055 | 4,927 | 120 | 0 | 4 | 1.8 ppb |
| Fawn Frazer Jt Water Auth PA5020076 | 4,650 | 240 | 1 | 4 | 1.2 ppb |
| Brackenridge Boro Water Dept PA5020006 | 3,700 | 120 | 0 | 2 | 1.7 ppb |
| Hampton Shaler Water Authority PA5020019 | 61,949 | 180 | 0 | 0 | 1.3 ppb |
| Oakmont Water Authority PA5020036 | 39,901 | 120 | 0 | 0 | 0.5 ppb |
| West Cnty Muni Auth-Mckeesport PA5020025 | 32,644 | 120 | 0 | 0 | 0 ppb |
| Fox Chapel Auth PA5020040 | 18,500 | 120 | 0 | 0 | 0 ppb |
| Robinson TWP Muni Auth PA5020045 | 16,354 | 120 | 0 | 0 | 2.2 ppb |
| Harrison TWP Water Auth PA5020108 | 13,411 | 120 | 0 | 0 | 1.7 ppb |
| Richland TWP Water Authority PA5020018 | 10,190 | 120 | 0 | 0 | 1.4 ppb |
| Neville TWP Water Dept PA5020029 | 6,750 | 120 | 0 | 0 | 1.7 ppb |
| Coraopolis Water & Sewer Auth PA5020010 | 5,804 | 180 | 7 | 0 | 4.3 ppb |
| Springdale Boro Water Dept PA5020053 | 3,405 | 60 | 1 | 0 | 1.7 ppb |
ZIP reports in Allegheny County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.