MORRISTOWN, SD · Corson County

MORRISTOWN 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): SD4600218
System type: Community Water System
Population served: 47
Service connections: 35
Ownership: local government
Water source: groundwater (wells)

Violation history

Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
May 21, 2024 – October 30, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2023 – February 28, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2023 – March 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2022 – September 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2021 – April 1, 2021
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2012 – August 31, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 25, 2010 – September 26, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2006 – June 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 9, 2002 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1997 – November 30, 1997
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Endrin
January 1, 1996 – December 31, 1998
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
February 14, 1980 – February 13, 1983
Archived
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
May 21, 2024 – October 30, 2025	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
February 1, 2023 – February 28, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2022 – September 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2021 – April 1, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2012 – August 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 25, 2010 – September 26, 2011	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
December 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 9, 2002 – March 31, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 1, 1997 – November 30, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Endrin	—	Resolved
February 14, 1980 – February 13, 1983	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived
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

October 30, 2025State Compliance achieved1 linked violation
July 1, 2025State Public Notification received1 linked violation
December 19, 2024State Compliance achieved1 linked violation
December 19, 2024State Compliance achieved1 linked violation
October 9, 2024State Public Notification requested1 linked violation
August 29, 2024State Violation/Reminder Notice1 linked violation
June 18, 2024State Intentional no-action1 linked violation
May 7, 2024State Public Notification requested1 linked violation
July 11, 2023State Compliance achieved1 linked violation
July 11, 2023State Compliance achieved1 linked violation
July 11, 2023State Compliance achieved1 linked violation
May 17, 2023State Compliance achieved1 linked violation
May 17, 2023State Compliance achieved1 linked violation
March 10, 2023State Public Notification requested1 linked violation
March 10, 2023State Public Notification requested1 linked violation
October 5, 2022State Public Notification requested1 linked violation
October 5, 2022State Public Notification requested1 linked violation
July 22, 2022State Public Notification requested1 linked violation
May 21, 2021State Public Notification received14 linked violations
May 10, 2021State Public Notification requested2 linked violations
April 1, 2021State Compliance achieved22 linked violations
March 16, 2017State Compliance achieved4 linked violations
December 15, 2016State Compliance achieved2 linked violations
October 1, 2012State Compliance achieved4 linked violations
September 13, 2012State Public Notification received1 linked violation
May 17, 2012State Compliance achieved5 linked violations
March 6, 2012State Violation/Reminder Notice5 linked violations
July 1, 2011State Compliance achieved14 linked violations
January 13, 2011State Public Notification received3 linked violations
January 10, 2011State Public Notification requested20 linked violations
January 10, 2011State Public Notification requested5 linked violations
December 10, 2010State Public Notification received3 linked violations
January 1, 2010State Compliance achieved2 linked violations
June 12, 2009State Public Notification received1 linked violation
June 10, 2009State Public Notification requested1 linked violation
March 31, 2008State Compliance achieved3 linked violations
March 31, 2008State Public Notification received3 linked violations
March 31, 2008State Public Notification received2 linked violations
March 14, 2007State Compliance achieved2 linked violations
March 14, 2007State Compliance achieved1 linked violation
March 14, 2007State Compliance achieved8 linked violations
March 14, 2007State Compliance achieved2 linked violations
January 24, 2007State Public Notification received4 linked violations
January 24, 2007State Public Notification received2 linked violations
January 24, 2007State Public Notification received4 linked violations
January 16, 2007State Public Notification requested1 linked violation
January 4, 2007State Administrative/Compliance Order without penalty issued5 linked violations
August 28, 2006State Compliance achieved1 linked violation
August 28, 2006State Compliance achieved3 linked violations
July 14, 2006State Intentional no-action4 linked violations
February 9, 2006State Public Notification received5 linked violations
February 9, 2006State Public Notification received2 linked violations
February 9, 2006State Public Notification received2 linked violations
February 9, 2006State Public Notification received2 linked violations
February 9, 2006State Public Notification received1 linked violation
February 9, 2006State Public Notification received5 linked violations
February 9, 2006State Public Notification received1 linked violation
February 9, 2006State Public Notification received1 linked violation
February 9, 2006State Public Notification received5 linked violations
February 9, 2006State Public Notification received6 linked violations
February 6, 2006State Compliance achieved3 linked violations
February 6, 2006State Compliance achieved1 linked violation
February 6, 2006State Compliance achieved2 linked violations
February 6, 2006State Compliance achieved1 linked violation
February 6, 2006State Compliance achieved3 linked violations
February 6, 2006State Compliance achieved2 linked violations
February 6, 2006State Compliance achieved6 linked violations
February 6, 2006State Compliance achieved1 linked violation
January 26, 2006State Public Notification requested3 linked violations
January 26, 2006State Public Notification requested6 linked violations
January 26, 2006State Public Notification requested5 linked violations
January 26, 2006State Public Notification requested5 linked violations
January 26, 2006State Public Notification requested4 linked violations
October 5, 2004State Public Notification received7 linked violations
June 1, 2004State Compliance achieved5 linked violations
December 19, 2003State Administrative/Compliance Order with penalty issued8 linked violations
December 8, 2003State Public Notification received31 linked violations
October 9, 2003State Public Notification received7 linked violations
June 1, 2002State Compliance achieved4 linked violations
May 31, 2000State Public Notification received15 linked violations
November 5, 1996State Public Notification requested89 linked violations

Contact

MORRISTOWN

Phone not on record

MORRISTOWN, SD 57645