Public water system record
Mahoning Twp Muni Auth
Serves an area of Armstrong County, PA that includes Distant · 900 people served
Federal records show 6 health-based violations and 21 monitoring/reporting issues for Mahoning Twp Muni Auth in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 6
- Resolved
- 6
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 21
Key facts
- Mahoning Twp Muni Auth buys its water from Redbank Valley Mun Auth.
- Most recent formal enforcement: compliance order (no penalty) by EPA, May 2008.
- Record on file since 1992, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 324 unknown out of 360 service lines.
Check whether Mahoning Twp Muni Auth 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Jan 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Oct 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Apr 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Jan 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Apr 11, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Public Notice
OTHER
|
May 11, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 10, 2018 | Resolved |
|
Public Notice
OTHER
|
Aug 10, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
May 11, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Feb 11, 2017 | Active |
|
Public Notice
OTHER
|
Feb 11, 2017 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2015 | Resolved |
Full record since 1992
EPA's records for Mahoning Twp Muni Auth go back to 1992. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 47 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 3 |
| 2000s | 3 | 23 |
| 2010 to October 18, 2016 | 2 | 21 |
| October 19, 2016 to 2019 | 5 | 11 |
| 2020s | 0 | 9 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2015 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 2005 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 2005 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 2003 | Resolved |
Enforcement actions
Pennsylvania regulators and EPA took 3 formal enforcement actions against Mahoning Twp Muni Auth between 2004 and 2008. The most recent was a compliance order (no penalty) in May 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 8, 2008 | EPA | Compliance order (no penalty) | 1 violation: Stage 2 Disinfection Byproducts Rule |
| Sep 16, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Chlorine |
| Nov 1, 2004 | Pennsylvania | Consent decree or court judgment | 1 violation: Consumer Confidence Rule |
What the violations mean
Total Trihalomethanes (TTHMs)
6 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Mahoning Twp Muni Auth buys its water from Redbank Valley Mun Auth. It lists no wells or intakes of its own.
Buys water from
- Redbank Valley Mun Auth New Bethlehem, PA
Annual water quality report
Mahoning Twp Muni Auth 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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