PRINEVILLE, OR · Crook County

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

System facts

System ID (PWSID): OR4101353
System type: Community Water System
Population served: 40
Service connections: 19
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2025 – December 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2020 – September 30, 2020
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – August 17, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2018 – July 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2018 – May 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2018 – April 30, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2018 – March 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2018 – February 28, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2018 – January 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2017 – December 31, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2017 – November 30, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2017 – October 31, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2017 – September 30, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2017 – January 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 25, 2014 – September 8, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2014 – December 31, 2022
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2014 – December 31, 2022
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 13, 2013 – September 8, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2013 – October 31, 2013
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 12, 2013 – September 8, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2013 – September 30, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2013 – September 30, 2013
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
August 24, 2013 – September 8, 2014
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
August 8, 2013 – September 8, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2013 – August 31, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2013 – July 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2009 – November 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 2009 – September 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2009 – March 31, 2009
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
January 1, 2008 – January 31, 2008
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2006 – June 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2006 – May 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2006 – April 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2006 – March 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2006 – February 28, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2006 – January 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2005 – November 30, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2005 – October 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 19, 2003 – March 3, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2003 – October 31, 2003
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – March 3, 2004
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 19, 2001 – July 1, 2002
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2001 – March 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1998 – June 30, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1998 – May 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1995 – August 31, 1995
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 1995 – July 31, 1995
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – July 20, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
November 1, 1992 – November 30, 1992
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1992 – June 30, 1992
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
June 1, 1992 – June 30, 1992
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1991 – July 31, 1991
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
June 1, 1991 – June 30, 1991
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
December 1, 2025 – December 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
December 1, 2024 – December 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2020 – September 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2019 – August 17, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2018 – July 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
May 1, 2018 – May 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
March 1, 2018 – March 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
February 1, 2018 – February 28, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2017 – December 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2017 – November 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2017 – October 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2017 – September 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 25, 2014 – September 8, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2014 – December 31, 2022	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2014 – December 31, 2022	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 13, 2013 – September 8, 2014	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 12, 2013 – September 8, 2014	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
September 1, 2013 – September 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 24, 2013 – September 8, 2014	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
August 8, 2013 – September 8, 2014	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
August 1, 2013 – August 31, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2013 – July 31, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2009 – November 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2009 – October 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2009 – September 30, 2009	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 2009 – March 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – January 31, 2008	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Nitrate	—	Resolved
June 1, 2006 – June 30, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2006 – May 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2006 – April 30, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2006 – March 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2006 – February 28, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – January 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2005 – December 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2005 – November 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2005 – October 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – July 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
October 19, 2003 – March 3, 2004	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2003 – October 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2003 – March 3, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 19, 2001 – July 1, 2002	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
March 1, 2001 – March 31, 2001	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1998 – June 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 1998 – May 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 1995 – August 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1995 – July 31, 1995	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1994 – July 20, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1992 – November 30, 1992	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 1992 – November 30, 1992	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
June 1, 1992 – June 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 1992 – June 30, 1992	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 1991 – July 31, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1991 – June 30, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

February 8, 2025State Compliance achieved1 linked violation
January 22, 2024State Compliance achieved1 linked violation
January 22, 2024State Compliance achieved1 linked violation
November 5, 2020State Compliance achieved1 linked violation
August 17, 2020State Compliance achieved1 linked violation
September 7, 2018State Compliance achieved1 linked violation
September 7, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 5, 2018State Compliance achieved1 linked violation
July 9, 2017State Compliance achieved1 linked violation
March 3, 2017State Compliance achieved1 linked violation
September 8, 2014State Compliance achieved6 linked violations
July 25, 2014State Public Notification requested1 linked violation
December 26, 2013State Compliance achieved1 linked violation
December 26, 2013State Compliance achieved1 linked violation
December 26, 2013State Compliance achieved1 linked violation
November 26, 2013State Compliance achieved1 linked violation
November 26, 2013State Compliance achieved1 linked violation
September 18, 2013State Public Notification requested1 linked violation
August 29, 2013State Public Notification received1 linked violation
August 29, 2013State Public Notification received1 linked violation
August 12, 2013State Public Notification requested1 linked violation
December 28, 2009State Violation/Reminder Notice2 linked violations
November 19, 2009State Public Notification received2 linked violations
August 25, 2005State Public Notification received14 linked violations
March 3, 2004State Compliance achieved1 linked violation
March 3, 2004State Compliance achieved1 linked violation
July 1, 2002State Compliance achieved1 linked violation
July 1, 2002State Compliance achieved1 linked violation
February 4, 2002State Compliance achieved1 linked violation
July 20, 1995State Compliance achieved1 linked violation
January 17, 1995State Compliance achieved1 linked violation
November 4, 1994State Formal Notice of Violation issued1 linked violation

Contact

HAPPY HOLLOW WATER COMPANY

541-420-1407

PRINEVILLE, OR 97754