EUGENE, OR · Lane County

TIVOLI MOBILE HOME PARK 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): OR4101003
System type: Community Water System
Population served: 94
Service connections: 44
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023 – October 5, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 7, 2023
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 18, 2016 – December 21, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 20, 2012 – September 14, 2012
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2012 – September 30, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2012 – June 30, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 19, 2012 – September 14, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 24, 2012 – September 14, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2012 – March 31, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 24, 2012 – September 14, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
February 1, 2012 – June 29, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
February 1, 2012 – June 29, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 2012 – February 29, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2012 – January 31, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
January 1, 2012 – June 29, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
January 1, 2012 – June 29, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 23, 2011 – September 14, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 1, 2011 – June 29, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 20, 2011 – September 14, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 19, 2010 – September 14, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2010 – October 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2007 – November 30, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2000 – July 31, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2000 – July 31, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2000 – June 30, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1994 – July 31, 1994
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 1993 – April 30, 1993
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, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1992 – November 30, 1992
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 1992 – April 30, 1992
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 1991 – April 30, 1991
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
March 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
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
April 1, 2025 – April 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
October 1, 2023 – October 5, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2023 – July 7, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2017 – January 31, 2017	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
December 18, 2016 – December 21, 2016	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
August 20, 2012 – September 14, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
June 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 19, 2012 – September 14, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
March 24, 2012 – September 14, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
March 1, 2012 – March 31, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
February 24, 2012 – September 14, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 1, 2012 – June 29, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
February 1, 2012 – June 29, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
February 1, 2012 – February 29, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2012 – January 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2012 – June 29, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2012 – June 29, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
December 23, 2011 – September 14, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2011 – October 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2011 – June 29, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 20, 2011 – September 14, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 19, 2010 – September 14, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2010 – October 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2007 – November 30, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2000 – July 31, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2000 – July 31, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2000 – June 30, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1994 – July 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1993 – April 30, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	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, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1992 – November 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1992 – April 30, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 1991 – November 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1991 – April 30, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 1991 – March 31, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

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

Enforcement actions

May 3, 2025State Compliance achieved1 linked violation
October 5, 2023State Compliance achieved1 linked violation
July 7, 2023State Compliance achieved1 linked violation
August 16, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 17, 2017State Compliance achieved1 linked violation
January 18, 2017State Public Notification received1 linked violation
January 18, 2017State Public Notification requested1 linked violation
December 21, 2016State Compliance achieved1 linked violation
January 25, 2013State Compliance achieved1 linked violation
January 25, 2013State Compliance achieved1 linked violation
January 25, 2013State Compliance achieved1 linked violation
January 25, 2013State Compliance achieved1 linked violation
December 21, 2012State Compliance achieved1 linked violation
December 21, 2012State Compliance achieved1 linked violation
December 21, 2012State Compliance achieved1 linked violation
December 14, 2012State Compliance achieved1 linked violation
December 14, 2012State Compliance achieved1 linked violation
December 14, 2012State Compliance achieved1 linked violation
December 14, 2012State Compliance achieved1 linked violation
October 29, 2012State Violation/Reminder Notice3 linked violations
October 1, 2012State Violation/Reminder Notice1 linked violation
September 14, 2012State Compliance achieved7 linked violations
September 14, 2012State Compliance achieved1 linked violation
September 14, 2012State Compliance achieved1 linked violation
September 14, 2012State Compliance achieved1 linked violation
September 14, 2012State Compliance achieved1 linked violation
July 30, 2012State Violation/Reminder Notice1 linked violation
July 20, 2012State Public Notification requested1 linked violation
June 29, 2012State Compliance achieved5 linked violations
June 26, 2012State Violation/Reminder Notice2 linked violations
May 30, 2012State Violation/Reminder Notice2 linked violations
May 4, 2012State Compliance achieved1 linked violation
April 30, 2012State Violation/Reminder Notice1 linked violation
March 27, 2012State Violation/Reminder Notice6 linked violations
February 28, 2012State Violation/Reminder Notice3 linked violations
February 22, 2012State Public Notification requested2 linked violations
January 30, 2012State Violation/Reminder Notice2 linked violations
December 2, 2011State Compliance achieved6 linked violations
November 29, 2011State Violation/Reminder Notice1 linked violation
October 31, 2011State Violation/Reminder Notice2 linked violations
October 13, 2011State Public Notification received6 linked violations
April 25, 2011State Violation/Reminder Notice1 linked violation
January 24, 2011State Violation/Reminder Notice2 linked violations
January 14, 2011State Compliance achieved2 linked violations
December 2, 2010State Compliance achieved3 linked violations
July 23, 2001State Compliance achieved1 linked violation
June 27, 2000State Public Notification received1 linked violation
September 14, 1994State Compliance achieved1 linked violation

Contact

TIVOLI MOBILE HOME PARK

541-234-2549

EUGENE, OR 97402