GREAT FALLS, MT · Cascade County

SUN PRAIRIE VILLAGE COUNTY 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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID): MT0000521
System type: Community Water System
Population served: 1,800
Service connections: 492
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023 – October 19, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – October 19, 2023
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2015 – May 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Styrene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Endrin
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Picloram
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Benzene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Toluene
January 1, 2011 – December 31, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2004 – August 29, 2007
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2023 – October 19, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2023 – October 19, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
May 1, 2015 – May 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Styrene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Endrin	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Picloram	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Benzene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Toluene	—	Resolved
October 1, 2004 – August 29, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

October 19, 2023State Compliance achieved1 linked violation
October 19, 2023State Compliance achieved2 linked violations
October 13, 2023State Violation/Reminder Notice1 linked violation
July 11, 2023State Violation/Reminder Notice1 linked violation
March 8, 2023State Compliance achieved21 linked violations
March 8, 2023State Compliance achieved21 linked violations
March 8, 2023State Compliance achieved21 linked violations
March 8, 2023State Compliance achieved21 linked violations
March 8, 2023State Compliance achieved21 linked violations
March 8, 2023State Compliance achieved2 linked violations
March 8, 2023State Compliance achieved21 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 29, 2023State Public Notification requested22 linked violations
January 29, 2023State Violation/Reminder Notice22 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 25, 2023State Public Notification requested1 linked violation
January 25, 2023State Violation/Reminder Notice1 linked violation
July 25, 2017State Compliance achieved1 linked violation
July 20, 2017State Violation/Reminder Notice1 linked violation
April 12, 2017State Violation/Reminder Notice1 linked violation
April 12, 2017State Violation/Reminder Notice1 linked violation
April 12, 2017State Public Notification requested1 linked violation
April 12, 2017State Public Notification requested1 linked violation
March 22, 2017State Compliance achieved1 linked violation
March 22, 2017State Compliance achieved1 linked violation
July 20, 2015State Compliance achieved1 linked violation
July 20, 2015State Compliance achieved1 linked violation
July 20, 2015State Compliance achieved1 linked violation
July 15, 2015State Violation/Reminder Notice1 linked violation
July 15, 2015State Public Notification requested1 linked violation
July 15, 2015State Violation/Reminder Notice1 linked violation
June 15, 2015State Public Notification requested1 linked violation
June 15, 2015State Violation/Reminder Notice1 linked violation
June 1, 2015State Compliance achieved21 linked violations
June 1, 2015State Compliance achieved26 linked violations
December 15, 2014State Public Notification requested1 linked violation
December 15, 2014State Violation/Reminder Notice1 linked violation
December 15, 2014State Compliance achieved1 linked violation
October 23, 2014State Violation/Reminder Notice1 linked violation
October 23, 2014State Compliance achieved1 linked violation
October 23, 2014State Public Notification requested1 linked violation
July 15, 2014State Public Notification requested1 linked violation
July 15, 2014State Violation/Reminder Notice1 linked violation
July 15, 2014State Compliance achieved1 linked violation
March 19, 2014State Compliance achieved1 linked violation
March 14, 2014State Violation/Reminder Notice1 linked violation
March 14, 2014State Public Notification requested1 linked violation
January 24, 2014State Public Notification requested21 linked violations
January 24, 2014State Violation/Reminder Notice21 linked violations
January 24, 2014State Public Notification requested26 linked violations
January 24, 2014State Violation/Reminder Notice26 linked violations
January 20, 2014State Compliance achieved1 linked violation
January 15, 2014State Violation/Reminder Notice1 linked violation
January 15, 2014State Public Notification requested1 linked violation
April 5, 2013State Public Notification received1 linked violation
January 15, 2013State Violation/Reminder Notice1 linked violation
January 15, 2013State Public Notification requested1 linked violation
January 7, 2013State Compliance achieved1 linked violation
September 28, 2012State Public Notification received1 linked violation
September 17, 2012State Violation/Reminder Notice1 linked violation
September 17, 2012State Public Notification requested1 linked violation
September 10, 2012State Compliance achieved1 linked violation
September 26, 2011State Compliance achieved1 linked violation
October 30, 2010State Public Notification requested1 linked violation
October 30, 2010State Violation/Reminder Notice1 linked violation
August 29, 2007State Compliance achieved1 linked violation
April 4, 2006State Compliance achieved2 linked violations
February 24, 2005State Violation/Reminder Notice2 linked violations
February 24, 2005State Public Notification requested2 linked violations
January 4, 2005State Violation/Reminder Notice1 linked violation
January 4, 2005State Public Notification requested1 linked violation
December 31, 2000State Compliance achieved1 linked violation

Contact

FULMER, JANET

406-965-3944

GREAT FALLS, MT 59404