Pullman, WA · Whitman County
WASHINGTON STATE UNIVERSITY 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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.
System facts
- System ID (PWSID)
- WA5393200
- System type
- Community Water System
- Population served
- 21,506
- Service connections
- 4,355
- Ownership
- state government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Diquat
April 1, 2008 – June 30, 2008
ArchivedMonitoring, Regular
—Diquat
October 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Diquat
July 1, 2007 – September 30, 2007
ResolvedMonitoring, Regular
—Diquat
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Diquat
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
March 1, 1992 – March 31, 1992
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1991 – November 30, 1991
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2008 – June 30, 2008 | Monitoring, Regular | Diquat | — | Archived |
| October 1, 2007 – December 31, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| March 1, 1992 – March 31, 1992 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1991 – November 30, 1991 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- May 31, 1992State Violation/Reminder Notice1 linked violation
- April 30, 1992State Violation/Reminder Notice1 linked violation
- March 31, 1992State Violation/Reminder Notice1 linked violation
Contact
WASHINGTON STATE UNIVERSITY
Phone not on record
Pullman, WA 99164-1150