Public water system record
Trentwood Irrigation District 3
Serves an area of Spokane County, WA that includes Spokane Valley · 4,228 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Trentwood Irrigation District 3 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
- 4
Key facts
- Trentwood Irrigation District 3 draws water from 5 wells (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1979, with 1 health-based violation before October 19, 2016.
Check whether Trentwood Irrigation District 3 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 |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1979
EPA's records for Trentwood Irrigation District 3 go back to 1979. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 37 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 1 | 5 |
| 2000s | 0 | 26 |
| 2010 to October 18, 2016 | 0 | 5 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began May 1992, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1992 | Archived |
Where the water comes from
Trentwood Irrigation District 3 draws water from 5 wells (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to Consolidated Irrig Dist 19 System 1. 1 other public water system has an emergency connection to Trentwood Irrigation District 3.
Emergency or part-time connections to
- Consolidated Irrig Dist 19 System 1 Greenacres, WA
Annual water quality report
Trentwood Irrigation District 3 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 Washington.
Certified drinking water labs by state EPA guidance for private wells