Public water system record
Highridge Water Auth
Serves an area of Westmoreland County and Indiana County, PA that includes Black Lick, Robinson, New Florence and 3 more places · 16,000 people served
Federal records show 3 health-based violations and 24 monitoring/reporting issues for Highridge Water Auth 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
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 24
Key facts
- Highridge Water Auth draws water from 6 surface water intakes.
- 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, March 2006.
- Record on file since 1982, with 14 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 281 unknown out of 6,092 service lines.
Check whether Highridge 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 |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jul 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 | Jan 1, 2020 | 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 | Oct 1, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Radium-226
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Radium-226
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Feb 10, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Feb 10, 2015 | Resolved |
Full record since 1982
EPA's records for Highridge Water Auth go back to 1982. Before October 19, 2016 they list 14 health-based violations (13 resolved, 1 archived by EPA without a recorded fix) and 67 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 10 | 37 |
| 2000s | 2 | 20 |
| 2010 to October 18, 2016 | 2 | 9 |
| October 19, 2016 to 2019 | 1 | 7 |
| 2020s | 2 | 15 |
Most recent health-based violation before October 19, 2016: CARBON, TOTAL, began October 2014, Resolved.
Show all 14 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2014 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Jul 1, 2014 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1999 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1996 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jun 15, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1993 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1993 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1992 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
Enforcement actions
Pennsylvania regulators took 6 formal enforcement actions against Highridge Water Auth and issued 1 boil water order between 1987 and 2006. The most recent was a consent decree or court judgment in March 2006.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 2, 2006 | Pennsylvania | Consent decree or court judgment | 3 violations: Total Coliform, Chlorine, Surface Water Treatment Rule |
| Nov 10, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Interim Enhanced Surface Water Treatment Rule |
| Sep 6, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Total Coliform |
| Aug 10, 2005 | Pennsylvania | Consent decree or court judgment | 3 violations: Surface Water Treatment Rule, Chlorine, Total Coliform |
| Feb 11, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Consumer Confidence Rule |
| Oct 28, 2003 | Pennsylvania | Consent decree or court judgment | 1 violation (1 health-based): Total Coliform |
| Jul 13, 1987 | Pennsylvania | Boil water order | 1 violation |
What the violations mean
Haloacetic Acids (HAA5)
3 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
Highridge Water Auth draws water from 6 surface water intakes. 1 smaller public system such as schools, businesses or campgrounds buys water from Highridge Water Auth. 1 other public water system has an emergency connection to Highridge Water Auth.
Annual water quality report
Highridge 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