MONTROSE, SD · McCook County

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

System facts

System ID (PWSID): SD4600217
System type: Community Water System
Population served: 468
Service connections: 170
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2022 – June 30, 2022
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
February 1, 2018 – July 13, 2018
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2014 – September 30, 2014
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
January 13, 2011 – April 21, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2004 – November 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2004 – March 30, 2004
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 3, 2003 – June 11, 2007
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2003 – June 30, 2003
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2002 – August 19, 2002
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1976 – June 30, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 1976 – June 30, 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, 2022 – June 30, 2022	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2018 – July 13, 2018	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
September 1, 2014 – September 30, 2014	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 13, 2011 – April 21, 2011	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 1, 2004 – November 30, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	Nitrate	—	Resolved
August 3, 2003 – June 11, 2007	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2003 – June 30, 2003	Monitoring, Regular	Nitrate	—	Resolved
September 1, 2002 – September 30, 2002	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – August 19, 2002	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 1976 – June 30, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 1976 – June 30, 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

September 27, 2022State Compliance achieved1 linked violation
July 22, 2022State Public Notification received3 linked violations
July 22, 2022State Public Notification requested1 linked violation
July 13, 2018State Compliance achieved4 linked violations
March 1, 2016State Compliance achieved3 linked violations
November 1, 2014State Compliance achieved3 linked violations
October 2, 2014State Public Notification requested3 linked violations
March 18, 2013State Compliance achieved6 linked violations
February 16, 2011State Public Notification received5 linked violations
June 11, 2007State Public Notification received4 linked violations
June 11, 2007State Compliance achieved4 linked violations
June 11, 2007State Public Notification received2 linked violations
June 1, 2005State Compliance achieved3 linked violations
December 14, 2004State Compliance achieved2 linked violations
September 10, 2004State Public Notification requested4 linked violations
July 7, 2004State Public Notification issued3 linked violations
May 11, 2004State Compliance achieved3 linked violations
November 4, 2003State Public Notification issued2 linked violations
July 9, 2003State Public Notification requested5 linked violations
April 1, 2003State Compliance achieved3 linked violations
November 8, 2002State Public Notification issued5 linked violations
August 19, 2002State Compliance achieved2 linked violations
August 7, 2002State Violation/Reminder Notice3 linked violations
November 23, 1999State Compliance achieved39 linked violations
July 9, 1998State Compliance achieved36 linked violations
April 24, 1996State Public Notification requested32 linked violations
March 4, 1996State Compliance achieved5 linked violations
May 8, 1995State Public Notification requested6 linked violations
January 25, 1995State Public Notification requested4 linked violations
December 14, 1994State Compliance achieved56 linked violations
November 29, 1994State Violation/Reminder Notice46 linked violations
August 4, 1994State Violation/Reminder Notice33 linked violations

Contact

MONTROSE

6053635065

MONTROSE, SD 57048