Public water system record
Lake Arthur Estates
Serves Lake Arthur Estates, Butler County, PA · 460 people served
Federal records show 1 health-based violation and 13 monitoring/reporting issues for Lake Arthur Estates in the last ten years, including an unresolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 13
Key facts
- Lake Arthur Estates draws water from 2 wells.
- Most recent formal enforcement: consent decree or court judgment by Pennsylvania, October 2005.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 240 service lines.
Check whether Lake Arthur Estates 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 | Sep 11, 2025 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Jan 11, 2026 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jan 1, 2026 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Radium-226
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Aug 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
Full record since 1980
EPA's records for Lake Arthur Estates go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 64 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 16 |
| 1990s | 0 | 13 |
| 2000s | 0 | 17 |
| 2010 to October 18, 2016 | 3 | 18 |
| 2020s | 1 | 13 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2013, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2013 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Jun 1, 2012 | Resolved |
Enforcement actions
Pennsylvania regulators took 3 formal enforcement actions against Lake Arthur Estates between 2004 and 2005. The most recent was a consent decree or court judgment in October 2005.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 20, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Consumer Confidence Rule |
| Jan 31, 2005 | Pennsylvania | Consent decree or court judgment | 1 violation: Consumer Confidence Rule |
| Dec 27, 2004 | Pennsylvania | Consent decree or court judgment | 1 violation: Consumer Confidence Rule |
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
Lake Arthur Estates draws water from 2 wells.
Annual water quality report
Lake Arthur Estates 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Lake Arthur Estates for a copy.
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