SCOTLAND, SD · Bon Homme County

MAXWELL COLONY 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): SD4602023
System type: Community Water System
Population served: 150
Service connections: 34
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nickel
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Chromium
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Selenium
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2018 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
May 1, 2016 – May 31, 2016
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2014 – October 31, 2014
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Benzene
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Toluene
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2012 – November 30, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2012 – October 31, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2012 – August 31, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Endrin
January 1, 1993 – December 31, 1995
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 1993 – December 31, 1995
Resolved
Monitoring, Regular
—
Simazine
January 1, 1993 – December 31, 1995
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 1993 – December 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nickel	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Chromium	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Selenium	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Beryllium, Total	—	Resolved
May 1, 2016 – May 31, 2016	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
October 1, 2014 – October 31, 2014	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Benzene	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Toluene	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Tetrachloroethylene	—	Resolved
November 1, 2012 – November 30, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2012 – October 31, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 2012 – August 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2008 – November 30, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2008 – June 30, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2004 – September 30, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1998 – December 31, 1998	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	Endrin	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	Simazine	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	OXAMYL	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

September 1, 2025State Compliance achieved1 linked violation
August 13, 2025State Public Notification requested1 linked violation
April 18, 2024State Compliance achieved1 linked violation
November 29, 2023State Violation/Reminder Notice1 linked violation
January 14, 2019State Public Notification received2 linked violations
January 14, 2019State Public Notification received2 linked violations
January 14, 2019State Public Notification received1 linked violation
January 14, 2019State Public Notification received1 linked violation
January 14, 2019State Public Notification received1 linked violation
January 14, 2019State Public Notification received1 linked violation
January 14, 2019State Public Notification received1 linked violation
January 14, 2019State Public Notification received2 linked violations
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 7, 2019State Compliance achieved1 linked violation
January 4, 2019State Public Notification requested2 linked violations
January 4, 2019State Public Notification requested2 linked violations
January 4, 2019State Public Notification requested2 linked violations
January 4, 2019State Public Notification requested2 linked violations
January 4, 2019State Public Notification requested2 linked violations
January 4, 2019State Public Notification requested2 linked violations
January 4, 2019State Public Notification requested2 linked violations
January 4, 2019State Public Notification requested3 linked violations
January 4, 2019State Public Notification requested2 linked violations
March 6, 2017State Compliance achieved2 linked violations
March 6, 2017State Public Notification received2 linked violations
July 1, 2016State Compliance achieved1 linked violation
May 9, 2016State Public Notification received1 linked violation
February 10, 2015State Intentional no-action3 linked violations
December 1, 2014State Compliance achieved2 linked violations
March 20, 2014State Compliance achieved14 linked violations
January 17, 2014State Public Notification requested1 linked violation
January 17, 2014State Public Notification requested3 linked violations
January 17, 2014State Public Notification requested10 linked violations
January 17, 2014State Public Notification requested2 linked violations
January 17, 2014State Public Notification requested2 linked violations
January 17, 2014State Public Notification requested4 linked violations
January 1, 2013State Compliance achieved3 linked violations
October 1, 2012State Compliance achieved1 linked violation
December 31, 2010State Intentional no-action1 linked violation
June 1, 2009State Compliance achieved1 linked violation
May 1, 2009State Compliance achieved1 linked violation
December 2, 2008State Public Notification requested1 linked violation
October 27, 2008State Public Notification requested1 linked violation
July 17, 2008State Public Notification received2 linked violations
July 3, 2008State Public Notification requested2 linked violations
February 1, 2008State Compliance achieved2 linked violations
August 3, 2007State Public Notification requested3 linked violations
April 1, 2005State Compliance achieved3 linked violations
September 20, 2004State Public Notification requested3 linked violations
October 9, 2003State Public Notification issued3 linked violations
September 3, 2002State Compliance achieved4 linked violations
February 1, 2002State Compliance achieved1 linked violation
January 11, 2002State Intentional no-action2 linked violations
October 11, 2001State Compliance achieved2 linked violations
May 4, 2000State Intentional no-action2 linked violations
February 22, 2000State Compliance achieved2 linked violations
March 1, 1998State Compliance achieved4 linked violations
September 2, 1997State Public Notification received2 linked violations
June 30, 1997State Public Notification received3 linked violations
November 13, 1996State Compliance achieved25 linked violations
June 14, 1996State Public Notification requested2 linked violations
September 19, 1995State Public Notification received3 linked violations
June 22, 1995State Public Notification received2 linked violations
June 14, 1995State Public Notification requested44 linked violations

Contact

MAXWELL COLONY

Phone not on record

SCOTLAND, SD 57059