Public water system record
Ambridge Water Auth
Serves Economy, Ambridge and Ambridge Heights, Beaver County, PA · 19,500 people served
Federal records show 1 health-based violation and 17 monitoring/reporting issues for Ambridge Water Auth in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 17
Key facts
- Ambridge Water Auth draws water from 1 surface water intake.
- Most recent formal enforcement: consent decree or court judgment by Pennsylvania, November 2005.
- Record on file since 1980, with 10 health-based violations before October 19, 2016.
- Lead pipe inventory: 1,138 lead and 6,300 unknown out of 8,163 service lines.
Check whether Ambridge 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 1, 2023 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Jan 1, 2026 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2026 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Dec 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Oct 11, 2025 | Resolved |
|
Public Notice
OTHER
|
Oct 11, 2025 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 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 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Feb 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Nov 10, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1980
EPA's records for Ambridge Water Auth go back to 1980. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 85 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 13 |
| 1990s | 3 | 10 |
| 2000s | 4 | 46 |
| 2010 to October 18, 2016 | 3 | 16 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 1 | 12 |
Most recent health-based violation before October 19, 2016: CARBON, TOTAL, began July 2016, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2016 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2010 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2006 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2004 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2004 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2004 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1991 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1991 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1990 | Resolved |
Enforcement actions
Pennsylvania regulators took 2 formal enforcement actions against Ambridge Water Auth in 2005. The most recent was a consent decree or court judgment in November 2005.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 10, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Interim Enhanced Surface Water Treatment Rule |
| Mar 17, 2005 | Pennsylvania | Consent decree or court judgment | 12 violations (3 health-based): Chlorine, Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule, CARBON, TOTAL |
What the violations mean
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
Ambridge Water Auth draws water from 1 surface water intake. 3 other community water systems and 2 smaller public systems such as schools, businesses or campgrounds buy water from Ambridge Water Auth. 1 other public water system has an emergency connection to Ambridge Water Auth.
Community systems that buy water from it
- Baden Boro Water Dept Baden, PA
- Edgeworth Boro Muni Auth Leetsdale, PA
- New Sewickley Twp Muni Auth Rochester, PA
Annual water quality report
Ambridge 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.
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