Public water system record
Western Allegheny County Mun A
Serves an area of Allegheny County, PA that includes Imperial, Noblestown, Sturgeon and 1 more place · 19,031 people served
Federal records show 2 health-based violations and 4 monitoring/reporting issues for Western Allegheny County Mun A in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Western Allegheny County Mun A buys its water from PA Amer Water Co-Pittsburgh.
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2010.
- Record on file since 1990, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 5,631 service lines.
Check whether Western Allegheny County Mun A serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Sep 7, 2025 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 20, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 18, 2025 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 7, 2025 | Resolved |
|
Public Notice
OTHER
|
Sep 24, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 20, 2024 | Resolved |
Full record since 1990
EPA's records for Western Allegheny County Mun A go back to 1990. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 26 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 3 |
| 2000s | 4 | 6 |
| 2010 to October 18, 2016 | 1 | 17 |
| 2020s | 2 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2014, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085142 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086017 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088125 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jul 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2007 | Resolved |
Enforcement actions
Pennsylvania regulators and EPA took 2 formal enforcement actions against Western Allegheny County Mun A between 2004 and 2010. The most recent was a compliance order (no penalty) in March 2010.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 23, 2010 | EPA | Compliance order (no penalty) | 1 violation: Stage 2 Disinfection Byproducts Rule |
| Feb 20, 2004 | Pennsylvania | Consent decree or court judgment | 1 violation: Surface Water Treatment Rule |
What the violations mean
Revised Total Coliform Rule
2 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Western Allegheny County Mun A buys its water from PA Amer Water Co-Pittsburgh. It lists no wells or intakes of its own. 5 other community water systems and 2 smaller public systems such as schools, businesses or campgrounds buy water from Western Allegheny County Mun A.
Buys water from
- PA Amer Water Co-Pittsburgh McMurray, PA
Community systems that buy water from it
- Findlay Twp Municipal Auth Clinton, PA
- Moon Twp Muni Auth Moon Township, PA
- Oakdale Boro Water Dept Oakdale, PA
- Redwood Estates PA LLC Farmington Hills, MI
- Virginia Hills PA LLC Farmington Hills, MI
Annual water quality report
Western Allegheny County Mun A must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Pennsylvania.
Certified drinking water labs by state EPA guidance for private wells