RAVENSDALE, WA · King County
BLACKWATER CO-OP Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 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)
- WA5303139
- System type
- Community Water System
- Population served
- 30
- Service connections
- 15
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 1993 – September 30, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1993 – July 31, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 1993 – March 31, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1993 – February 28, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1992 – December 31, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 1992 – November 30, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1992 – August 31, 1992
ArchivedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
April 1, 1992 – April 30, 1992
ArchivedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
March 1, 1992 – March 31, 1992
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 1992 – January 31, 1992
ArchivedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 1993 – September 30, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| July 1, 1993 – July 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| March 1, 1993 – March 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| February 1, 1993 – February 28, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| December 1, 1992 – December 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1992 – November 30, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| August 1, 1992 – August 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| April 1, 1992 – April 30, 1992 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Archived |
| March 1, 1992 – March 31, 1992 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Archived |
| January 1, 1992 – January 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| December 1, 1991 – December 31, 1991 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 20, 1994Federal issued Formal Notice of Violation14 linked violations
- December 31, 1992State Violation/Reminder Notice34 linked violations
- April 30, 1992State Violation/Reminder Notice2 linked violations
- January 31, 1992State Violation/Reminder Notice1 linked violation
Last known contact on file (system is inactive)
Not on record
Phone not on record
RAVENSDALE, WA 98051