ISSAQUAH, WA · King County
MINT GROVE Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of June 1, 1995. 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 King 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)
- WA5355150
- System type
- Community Water System
- Population served
- 40
- Service connections
- 18
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1995 – April 30, 1995
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1995 – January 31, 1995
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 1993 – May 31, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1993 – February 28, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
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
ArchivedMonitoring, Regular
—Chromium
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 |
|---|---|---|---|---|
| April 1, 1995 – April 30, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1995 – January 31, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| May 1, 1993 – May 31, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| February 1, 1993 – February 28, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| December 1, 1991 – December 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Selenium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Nitrate | — | 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 |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Chromium | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- May 31, 1993State Violation/Reminder Notice1 linked violation
- June 10, 1992Federal issued Formal Notice of Violation2 linked violations
Last known contact on file (system is inactive)
Not on record
Phone not on record
ISSAQUAH, WA 98027