WESTERN ALLEGHENY COUNTY MUN A
Pennsylvania - Community Water System - PWSID: PA5020034
System Information
| PWSID | PA5020034 |
| System Name | WESTERN ALLEGHENY COUNTY MUN A |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 12, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Pennsylvania |
| City | OAKDALE |
| ZIP Code | 15071 |
| Address | 403 VIRGINIA DR |
| Organization | WESTERN ALLEGHENY COUNTY MUN A |
| Phone | 412-788-4337 |
Population & Service
| Population Served | 19,031 |
| Service Connections | 7,521 |
Drinking Water Violations (101)
This water system has 101 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 18, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Oct 18, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Oct 18, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Oct 18, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 7, 2025 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 7, 2025 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 7, 2025 | - | TT | Yes | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 7, 2025 | - | TT | Yes | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 7, 2025 | - | TT | Yes | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 24, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Sep 24, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Aug 20, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 25, 2024 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 1, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Oct 11, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2014 | - | |
| Oct 11, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2014 | - | |
| Oct 11, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2014 | - | |
| Oct 11, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 31, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2013 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2013 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2013 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | No | - | - | - | Resolved | Feb 28, 2013 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | No | - | - | - | Resolved | Feb 28, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 25, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 25, 2013 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | - | - | Resolved | Sep 30, 2012 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.