Kennewick, WA · Benton County

SUNDANCE IMPROVEMENT ASSOCIATION 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): WA5385209
System type: Community Water System
Population served: 100
Service connections: 26
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – March 6, 2025
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2022 – September 30, 2022
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2020 – September 30, 2020
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2019 – December 31, 2019
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2018 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2017 – December 31, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – October 9, 2017
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2017 – December 31, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – November 4, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – December 26, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – November 7, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – December 15, 2010
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2010 – December 11, 2013
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2005 – December 31, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Toluene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2004 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1993 – September 30, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1993 – February 28, 1993
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
January 1, 1993 – January 31, 1993
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1992 – June 30, 1992
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 1991 – October 31, 1991
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived

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
January 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2024 – March 6, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2017 – December 31, 2017	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2017 – October 9, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2015 – November 4, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2014 – December 26, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2011 – November 7, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – December 15, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2010 – December 11, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2005 – December 31, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Benzene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Toluene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Styrene	—	Resolved
January 1, 2004 – December 31, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 1993 – September 30, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
February 1, 1993 – February 28, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1993 – January 31, 1993	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1992 – December 31, 1992	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
June 1, 1992 – June 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1991 – October 31, 1991	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived

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

Enforcement actions

March 6, 2025State Compliance achieved1 linked violation
January 1, 2024State Compliance achieved1 linked violation
October 7, 2022State Compliance achieved1 linked violation
April 1, 2022State Compliance achieved1 linked violation
April 1, 2021State Compliance achieved1 linked violation
July 1, 2020State Compliance achieved2 linked violations
July 1, 2019State Compliance achieved2 linked violations
July 1, 2018State Compliance achieved2 linked violations
March 20, 2018State Compliance achieved1 linked violation
October 9, 2017State Compliance achieved1 linked violation
November 4, 2015State Compliance achieved1 linked violation
December 26, 2014State Compliance achieved1 linked violation
December 11, 2013State Compliance achieved1 linked violation
December 11, 2013State Compliance achieved1 linked violation
October 4, 2012State Compliance achieved1 linked violation
November 7, 2011State Compliance achieved1 linked violation
December 15, 2010State Compliance achieved1 linked violation
November 12, 2010State Compliance achieved20 linked violations
September 27, 2006State Compliance achieved1 linked violation
July 1, 2006State Compliance achieved2 linked violations
April 13, 1993Federal issued Formal Notice of Violation10 linked violations
January 31, 1993State Violation/Reminder Notice1 linked violation
December 31, 1992State Violation/Reminder Notice2 linked violations
June 30, 1992State Violation/Reminder Notice1 linked violation
May 31, 1992State Violation/Reminder Notice1 linked violation
April 30, 1992State Violation/Reminder Notice1 linked violation
March 31, 1992State Violation/Reminder Notice1 linked violation
February 29, 1992State Violation/Reminder Notice1 linked violation
October 31, 1991State Violation/Reminder Notice1 linked violation

Contact

SUNDANCE IMPROVEMENT ASSOCIATION

Phone not on record

Kennewick, WA 99336