Public water system record
Cswa Oliver Spring
Serves an area of Yamhill County, OR · 40 people served
Federal records show 2 health-based violations and 10 monitoring/reporting issues for Cswa Oliver Spring 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
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 10
Key facts
- Cswa Oliver Spring draws water from 1 spring.
- Record on file since 2009, with 0 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 28 service lines.
Check whether Cswa Oliver Spring 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 | Mar 1, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 1, 2023 | 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.
|
|
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.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 2009
EPA's records for Cswa Oliver Spring go back to 2009. Before October 20, 2016 they list no health-based violations and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 2 |
| 2010 to October 19, 2016 | 0 | 4 |
| October 20, 2016 to 2019 | 0 | 2 |
| 2020s | 2 | 7 |
What the violations mean
Groundwater Rule
2 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
Cswa Oliver Spring draws water from 1 spring.
Annual water quality report
Cswa Oliver Spring 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 Cswa Oliver Spring 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