Public water system record
Mountain Water Assn
Serves an area of Fayette County, PA · 3,856 people served
Federal records show 2 health-based violations and 45 monitoring/reporting issues for Mountain Water Assn 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
- Yes
- Monitoring issues, last 10 years
- 45
Key facts
- Mountain Water Assn draws water from 1 well.
- Most recent formal enforcement: consent decree or court judgment by Pennsylvania, September 2005.
- Record on file since 1992, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 23 unknown out of 1,765 service lines.
Check whether Mountain Water Assn 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 | Jul 30, 2021 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jun 1, 2021 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
Monitoring and reporting
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Groundwater Rule
Monitoring and reporting
|
May 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Aug 1, 2023 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Asbestos
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Sep 9, 2021 | Active |
|
Revised Total Coliform Rule
RPT
|
Jul 30, 2021 | Resolved |
|
Public Notice
OTHER
|
Jan 11, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 1, 2016 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 1, 2016 | Resolved |
Full record since 1992
EPA's records for Mountain Water Assn go back to 1992. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 64 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 7 |
| 2000s | 1 | 46 |
| 2010 to October 18, 2016 | 0 | 11 |
| October 19, 2016 to 2019 | 0 | 25 |
| 2020s | 2 | 18 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2007, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2007 | Resolved |
Enforcement actions
Pennsylvania regulators took 1 formal enforcement action against Mountain Water Assn in 2005. The most recent was a consent decree or court judgment in September 2005.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 29, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Consumer Confidence 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
Mountain Water Assn draws water from 1 well. It also buys water from North Fayette Cnty Muni Auth.
Buys water from
- North Fayette Cnty Muni Auth Dunbar, PA
Annual water quality report
Mountain Water Assn 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