Public water system record
Hillsboro-Cherry Grove
Serves an area of Washington County, OR that includes Dilley and Cherry Grove · 1,628 people served
Federal records show no health-based violations and 7 monitoring/reporting issues for Hillsboro-Cherry Grove in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Hillsboro-Cherry Grove draws water from 1 surface water intake.
- Record on file since 1976, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 627 service lines.
Check whether Hillsboro-Cherry Grove 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
Full record since 1976
EPA's records for Hillsboro-Cherry Grove go back to 1976. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 36 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 3 | 2 |
| 2000s | 1 | 29 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 2002, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Jan 2, 2002 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jul 1, 1998 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1991 | Resolved |
Where the water comes from
Hillsboro-Cherry Grove draws water from 1 surface water intake. 1 other community water system buys water from Hillsboro-Cherry Grove.
Community systems that buy water from it
- City of Gaston Gaston, OR
Annual water quality report
Hillsboro-Cherry Grove 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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