ST. JOHN, WA · Whitman County
EWAN WATER ASSOCIATION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of July 1, 1992. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Whitman County, WA.
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)
- WA5324250
- System type
- Community Water System
- Population served
- 25
- Service connections
- 18
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 1992 – March 31, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1992 – February 29, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1992 – January 31, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 1991 – November 30, 1991
ArchivedMonitoring, Regular
—Chromium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Arsenic
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Barium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Cadmium
October 1, 1979 – October 31, 1979
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 1992 – March 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| February 1, 1992 – February 29, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1992 – January 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1991 – November 30, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Selenium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Cadmium | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 31, 1992State Site Visit for enforcement purposes1 linked violation
- January 31, 1992State Site Visit for enforcement purposes1 linked violation
- November 30, 1991State Site Visit for enforcement purposesgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
Phone not on record
ST. JOHN, WA 99171