Tonasket, WA · Okanogan County
ASTON ESTATES 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)
- WA5309066
- System type
- Community Water System
- Population served
- 141
- Service connections
- 59
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2019 – July 17, 2022
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2003 – September 30, 2003
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1998 – August 31, 1998
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1993 – August 31, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1993 – February 28, 1993
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (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)
October 1, 1992 – October 31, 1992
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1992 – September 30, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 1992 – June 30, 1992
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2019 – July 17, 2022 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 1, 2003 – September 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| August 1, 1998 – August 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| August 1, 1993 – August 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 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| November 1, 1992 – November 30, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1992 – October 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| September 1, 1992 – September 30, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| June 1, 1992 – June 30, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 17, 2022State Compliance achieved1 linked violation
- October 31, 1993State Violation/Reminder Notice1 linked violation
- February 28, 1993State Violation/Reminder Notice4 linked violations
- November 30, 1992State Violation/Reminder Notice5 linked violations
- February 29, 1992State Violation/Reminder Notice1 linked violation
- May 31, 1991State Site Visit for enforcement purposes10 linked violations
Contact
ASTON ESTATES
Phone not on record
Tonasket, WA 98855-9433