Public water system record
Mawc Sweeney Plant
Serves an area of Westmoreland County, PA that includes Murrysville, Greensburg, Level Green and 21 more places · 143,000 people served
Federal records show 2 health-based violations and 12 monitoring/reporting issues for Mawc Sweeney Plant in the last ten years. The most serious issue in this window was a resolved CARBON, TOTAL violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 12
Key facts
- Mawc Sweeney Plant draws water from 1 surface water intake.
- Record on file since 1979, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 2,408 lead and 1,911 unknown out of 64,985 service lines.
Check whether Mawc Sweeney Plant 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 |
|---|---|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jan 1, 2019 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2025 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Nov 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Feb 10, 2019 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1979
EPA's records for Mawc Sweeney Plant go back to 1979. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 1 | 0 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 15 |
| October 19, 2016 to 2019 | 2 | 5 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began January 1992, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
What the violations mean
CARBON, TOTAL
2 incidentsThe 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 each of these violations.
Where the water comes from
Mawc Sweeney Plant draws water from 1 surface water intake. 4 other community water systems and 5 smaller public systems such as schools, businesses or campgrounds buy water from Mawc Sweeney Plant.
Community systems that buy water from it
- Gilpin Twp Muni Auth Leechburg, PA
- Monroeville Municipal Auth Monroeville, PA
- Parks Twp Muni Auth Vandergrift, PA
- Plum Boro Muni Auth Pittsburgh, PA
Annual water quality report
Mawc Sweeney Plant 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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