Public water system record
Western Hills MH Estates
Serves an area of Columbia County, OR · 375 people served
Federal records show 4 health-based violations and 15 monitoring/reporting issues for Western Hills MH Estates 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
- 4
- Resolved
- 4
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Western Hills MH Estates draws water from 1 well.
- Most recent formal enforcement: compliance order with a penalty by Oregon, March 2023.
- Record on file since 1991, with 6 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 92 service lines.
Check whether Western Hills MH 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 1, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 1, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 1, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 22, 2022 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2025 | Active |
|
Groundwater Rule
Monitoring and reporting
|
Sep 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
|
Jun 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Dec 6, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 5, 2023 | Resolved |
|
Public Notice
OTHER
|
Jul 2, 2022 | Resolved |
|
E. coli
Monitoring and reporting
|
Apr 18, 2022 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
COLIPHAGE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 1, 2010 | Active |
Full record since 1991
EPA's records for Western Hills MH Estates go back to 1991. Before October 20, 2016 they list 6 health-based violations (6 resolved) and 90 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 13 |
| 2000s | 1 | 64 |
| 2010 to October 19, 2016 | 1 | 13 |
| October 20, 2016 to 2019 | 0 | 2 |
| 2020s | 4 | 10 |
Most recent health-based violation before October 20, 2016: Total Coliform, began June 2010, Resolved.
Show all 6 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1992 | Resolved |
Enforcement actions
Oregon regulators took 1 formal enforcement action against Western Hills MH Estates in 2023. The most recent was a compliance order with a penalty in March 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 15, 2023 | Oregon | Compliance order with a penalty | 1 violation (1 health-based): Groundwater Rule |
What the violations mean
Groundwater Rule
4 incidentsThe 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 each of these violations.
Where the water comes from
Western Hills MH Estates draws water from 1 well.
Annual water quality report
Western Hills MH 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 Western Hills MH 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 Oregon.
Certified drinking water labs by state EPA guidance for private wells