Public water system record
Grand Prairie Water Supply Co
Serves an area of Linn County, OR · 110 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Grand Prairie Water Supply Co 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
- 1
Key facts
- Grand Prairie Water Supply Co draws water from 1 well.
- Most recent formal enforcement: compliance order with a penalty by Oregon, June 2001.
- Record on file since 1976, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 49 service lines.
Check whether Grand Prairie Water Supply Co 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 |
Full record since 1976
EPA's records for Grand Prairie Water Supply Co go back to 1976. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 102 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 0 | 47 |
| 2000s | 3 | 53 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2005, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2001 | Resolved |
Enforcement actions
Oregon regulators took 1 formal enforcement action against Grand Prairie Water Supply Co in 2001. The most recent was a compliance order with a penalty in June 2001.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 29, 2001 | Oregon | Compliance order with a penalty | 37 violations: Heptachlor epoxide, Heptachlor, Methoxychlor, Picloram, Total Polychlorinated Biphenyls (PCB) |
Where the water comes from
Grand Prairie Water Supply Co draws water from 1 well.
Annual water quality report
Grand Prairie Water Supply Co 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 Grand Prairie Water Supply Co 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