BEND, OR · Deschutes County

AVION WC-TUMALO WEST Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 28, 2024. 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 Deschutes County, OR.

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 Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID): OR4101368
System type: Community Water System
Population served: 75
Service connections: 20
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2024 – October 28, 2024
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – October 28, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023 – November 8, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – November 8, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 3, 2012 – October 1, 2012
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 19, 2002 – December 4, 2002
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2002 – December 4, 2002
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2001 – December 4, 2002
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1998 – July 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1997 – April 30, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 1996 – December 31, 1999
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – December 16, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1993 – July 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2024 – October 28, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2024 – October 28, 2024	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2023 – November 8, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2023 – November 8, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 3, 2012 – October 1, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 19, 2002 – December 4, 2002	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2002 – December 4, 2002	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2001 – December 4, 2002	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1998 – July 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1997 – April 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1999	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1994 – December 16, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 1993 – July 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

October 28, 2025State no longer subject to Rule1 linked violation
October 28, 2025State no longer subject to Rule1 linked violation
November 8, 2023State Compliance achieved2 linked violations
September 19, 2022State Compliance achieved2 linked violations
October 1, 2012State Compliance achieved2 linked violations
December 4, 2002State Compliance achieved1 linked violation
December 4, 2002State Compliance achieved1 linked violation
December 4, 2002State Compliance achieved1 linked violation
November 12, 2002State Compliance achieved3 linked violations
January 1, 1998State Compliance achieved1 linked violation
December 16, 1994State Compliance achieved1 linked violation
December 16, 1994State Compliance achieved1 linked violation
November 4, 1994State Formal Notice of Violation issued1 linked violation
October 1, 1994State Public Notification requested1 linked violation
July 29, 1994State Public Notification received2 linked violations

Last known contact on file (system is inactive)

TUMALO WEST WATER SYSTEM

541-382-5342

BEND, OR 97702