BEAVERTON, OR · Washington County
TUALATIN VALLEY WATER DISTRICT Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.
System facts
- System ID (PWSID)
- OR4100665
- System type
- Community Water System
- Population served
- 224,600
- Service connections
- 62,160
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Regular
—Nitrate
January 1, 2025 – December 31, 2025
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Nitrate | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 6, 2001State Compliance achieved40 linked violations
Contact
TUALATIN VALLEY WATER DISTRICT
971-277-8813
BEAVERTON, OR 97003