Public water system record
Masontown Muni Water Works
Serves Masontown, Fayette County, PA · 3,841 people served
Federal records show 5 health-based violations and 13 monitoring/reporting issues for Masontown Muni Water Works in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 13
Key facts
- Masontown Muni Water Works buys its water from Southwestern PA Water Auth.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit), 2019.
- Most recent formal enforcement: consent decree or court judgment by Pennsylvania, February 2006.
- Record on file since 1982, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,803 unknown out of 1,803 service lines.
Check whether Masontown Muni Water Works 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 |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Apr 1, 2020 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Oct 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jul 1, 2019 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | 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 |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Aug 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Apr 11, 2018 | Resolved |
|
Public Notice
OTHER
|
Apr 11, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 10, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1982
EPA's records for Masontown Muni Water Works go back to 1982. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 181 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 7 |
| 1990s | 0 | 23 |
| 2000s | 5 | 119 |
| 2010 to October 18, 2016 | 1 | 32 |
| October 19, 2016 to 2019 | 2 | 7 |
| 2020s | 2 | 5 |
Most recent health-based violation before October 19, 2016: CARBON, TOTAL, began October 2016, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2016 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 2003 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2001 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 2001 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 2001 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 2001 | Resolved |
Enforcement actions
Pennsylvania regulators took 10 formal enforcement actions against Masontown Muni Water Works between 2003 and 2006. The most recent was a consent decree or court judgment in February 2006.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 8, 2006 | Pennsylvania | Consent decree or court judgment | 3 violations: Chlorine, Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule |
| Jan 13, 2006 | Pennsylvania | Consent decree or court judgment | 2 violations: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule |
| Oct 17, 2005 | Pennsylvania | Consent decree or court judgment | 3 violations: Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule, Chlorine |
| Sep 13, 2005 | Pennsylvania | Consent decree or court judgment | 3 violations: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule, Chlorine |
| Jun 23, 2005 | Pennsylvania | Consent decree or court judgment | 2 violations: Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule |
| Jan 4, 2005 | Pennsylvania | Consent decree or court judgment | 3 violations: Chlorine, Surface Water Treatment Rule, Total Coliform |
| Feb 20, 2004 | Pennsylvania | Consent decree or court judgment | 1 violation: Surface Water Treatment Rule |
| Feb 3, 2004 | Pennsylvania | Consent decree or court judgment | 1 violation (1 health-based): Surface Water Treatment Rule |
| Jan 27, 2004 | Pennsylvania | Consent decree or court judgment | 1 violation: Total Coliform |
| Dec 5, 2003 | Pennsylvania | Consent decree or court judgment | 2 violations: Total Coliform |
What the violations mean
Haloacetic Acids (HAA5)
4 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
CARBON, TOTAL
1 incidentThe system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Masontown Muni Water Works buys its water from Southwestern PA Water Auth. It lists no wells or intakes of its own.
Buys water from
- Southwestern PA Water Auth Jefferson, PA
Annual water quality report
Masontown Muni Water Works 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