Public water system record
Mercersburg Muni Water Auth
Serves Mercersburg, Franklin County, PA · 2,350 people served
Federal records show 5 health-based violations and 46 monitoring/reporting issues for Mercersburg Muni Water Auth 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
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 46
Key facts
- Mercersburg Muni Water Auth draws water from 2 wells and 1 surface water intake.
- Most recent formal enforcement: consent decree or court judgment by Pennsylvania, November 2005.
- Record on file since 1982, with 29 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 3 unknown out of 993 service lines.
Check whether Mercersburg Muni Water 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Sep 1, 2023 | Resolved | Yes |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2021 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2020 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2020 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2019 | 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
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Jul 11, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Jul 11, 2024 | Resolved |
|
Public Notice
OTHER
|
Jul 11, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Oct 12, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Apr 11, 2021 | Active |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Mar 11, 2021 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Sep 13, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Groundwater Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
Full record since 1982
EPA's records for Mercersburg Muni Water Auth go back to 1982. Before October 19, 2016 they list 29 health-based violations (6 resolved, 23 archived by EPA without a recorded fix) and 127 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 21 | 27 |
| 1990s | 2 | 57 |
| 2000s | 3 | 38 |
| 2010 to October 18, 2016 | 3 | 5 |
| October 19, 2016 to 2019 | 1 | 10 |
| 2020s | 4 | 36 |
Most recent health-based violation before October 19, 2016: CARBON, TOTAL, began July 2011, Resolved.
Show all 29 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2011 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2009 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 2002 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 2002 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1991 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1991 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Nov 27, 1989 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1989 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1989 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Aug 2, 1988 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 6, 1988 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 31, 1988 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 14, 1988 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Feb 2, 1988 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 29, 1987 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 15, 1987 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 10, 1987 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Aug 24, 1987 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Aug 6, 1987 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 21, 1987 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 9, 1987 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 8, 1986 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Sep 8, 1986 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 6, 1986 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 19, 1986 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 16, 1985 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 2, 1985 | Archived |
Enforcement actions
Pennsylvania regulators took 1 formal enforcement action against Mercersburg Muni Water Auth and issued 2 boil water orders between 1989 and 2005. The most recent was a consent decree or court judgment in November 2005.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 28, 2005 | Pennsylvania | Consent decree or court judgment | 3 violations: Surface Water Treatment Rule, CARBON, TOTAL, Interim Enhanced Surface Water Treatment Rule |
| Jul 13, 1989 | Pennsylvania | Boil water order | 1 violation |
| Jul 12, 1989 | Pennsylvania | Boil water order | 2 violations (1 health-based): Nitrate |
What the violations mean
Surface Water Treatment Rule
3 incidentsThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Mercersburg Muni Water Auth draws water from 2 wells and 1 surface water intake. 1 smaller public system such as schools, businesses or campgrounds buys water from Mercersburg Muni Water Auth.
Annual water quality report
Mercersburg Muni Water 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