Public water system record
Mars Borough Water Works
Serves Mars, Butler County, PA · 1,956 people served
Federal records show no health-based violations and 28 monitoring/reporting issues for Mars Borough Water Works in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 28
Key facts
- Mars Borough Water Works draws water from 3 wells.
- Most recent formal enforcement: consent decree or court judgment by Pennsylvania, September 2005.
- Record on file since 1982, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 595 unknown out of 595 service lines.
Check whether Mars Borough 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Jul 11, 2025 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Radium-226
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2018 | Resolved |
Full record since 1982
EPA's records for Mars Borough Water Works go back to 1982. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 144 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 6 |
| 1990s | 0 | 40 |
| 2000s | 0 | 59 |
| 2010 to October 18, 2016 | 1 | 39 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 27 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began May 2012, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
May 1, 2012 | Resolved |
Enforcement actions
Pennsylvania regulators took 1 formal enforcement action against Mars Borough Water Works 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 |
Where the water comes from
Mars Borough Water Works draws water from 3 wells.
Annual water quality report
Mars Borough 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