CLAREMONT, SD · Marshall County

NEWPORT COLONY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of September 1, 2021. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Marshall County, SD.

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): SD4602029
System type: Community Water System
Population served: 130
Service connections: 26
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Source Water (GWR)
—
E. COLI
October 20, 2019 – November 12, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Benzene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Styrene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Toluene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
LASSO
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2019 – December 31, 2019
Resolved
Sanitary Survey (TCR)
—
No contaminant on record
June 26, 2015 – April 1, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Benzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
April 1, 2013 – June 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Benzene
January 1, 2012 – March 31, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 11, 2011 – August 22, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2011 – January 31, 2011
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 24, 2010 – November 8, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2010 – June 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 2005 – May 31, 2005
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 20, 2019 – November 12, 2019	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Benzene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Styrene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Toluene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	LASSO	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
June 26, 2015 – April 1, 2016	Sanitary Survey (TCR)	—	—	Resolved
December 1, 2014 – December 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2014 – March 31, 2014	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Benzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Benzene	—	Resolved
February 11, 2011 – August 22, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2011 – January 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
October 24, 2010 – November 8, 2010	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
May 1, 2005 – May 31, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 26, 2021State Compliance achieved3 linked violations
May 26, 2021State Compliance achieved3 linked violations
May 26, 2021State Compliance achieved6 linked violations
May 26, 2021State Compliance achieved1 linked violation
May 26, 2021State Compliance achieved4 linked violations
May 26, 2021State Compliance achieved4 linked violations
May 26, 2021State Compliance achieved4 linked violations
May 26, 2021State Compliance achieved4 linked violations
May 26, 2021State Compliance achieved3 linked violations
May 26, 2021State Compliance achieved4 linked violations
May 26, 2021State Compliance achieved7 linked violations
May 26, 2021State Compliance achieved2 linked violations
May 26, 2021State Compliance achieved3 linked violations
September 29, 2020State Compliance achieved4 linked violations
March 23, 2020State Public Notification received5 linked violations
January 14, 2020State Public Notification requested4 linked violations
January 14, 2020State Public Notification requested6 linked violations
January 14, 2020State Public Notification requested5 linked violations
January 14, 2020State Public Notification requested6 linked violations
January 14, 2020State Public Notification requested6 linked violations
January 14, 2020State Public Notification requested5 linked violations
January 14, 2020State Public Notification requested6 linked violations
January 14, 2020State Public Notification requested4 linked violations
April 1, 2016State Compliance achieved2 linked violations
June 30, 2015State Compliance achieved4 linked violations
June 30, 2015State Compliance achieved2 linked violations
June 30, 2015State Compliance achieved2 linked violations
June 30, 2015State Compliance achieved1 linked violation
June 30, 2015State Compliance achieved2 linked violations
June 30, 2015State Compliance achieved3 linked violations
June 30, 2015State Compliance achieved3 linked violations
June 30, 2015State Compliance achieved5 linked violations
April 22, 2015State Public Notification received1 linked violation
April 15, 2015State Public Notification requested1 linked violation
February 4, 2015State Compliance achieved4 linked violations
February 1, 2015State Compliance achieved2 linked violations
January 26, 2015State Public Notification requested7 linked violations
January 26, 2015State Public Notification requested7 linked violations
June 24, 2014State Public Notification received9 linked violations
June 12, 2014State Public Notification requested5 linked violations
December 10, 2013State Public Notification received3 linked violations
November 27, 2013State Public Notification requested3 linked violations
August 6, 2013State Public Notification requested5 linked violations
April 15, 2013State Compliance achieved5 linked violations
April 15, 2013State Public Notification received1 linked violation
December 5, 2012State Public Notification received2 linked violations
April 24, 2012State Public Notification received3 linked violations
April 23, 2012State Compliance achieved3 linked violations
April 23, 2012State Compliance achieved3 linked violations
April 23, 2012State Compliance achieved3 linked violations
April 23, 2012State Compliance achieved6 linked violations
April 23, 2012State Compliance achieved2 linked violations
April 23, 2012State Compliance achieved3 linked violations
April 18, 2012State Public Notification requested4 linked violations
April 10, 2012State Public Notification requested7 linked violations
April 1, 2011State Compliance achieved2 linked violations
April 1, 2011State Compliance achieved2 linked violations
April 1, 2011State Compliance achieved3 linked violations
April 1, 2011State Compliance achieved5 linked violations
February 3, 2011State Public Notification issued12 linked violations
September 21, 2010State Public Notification received9 linked violations
May 4, 2010State Public Notification issued21 linked violations
June 2, 2009State Administrative/Compliance Order with penalty issued15 linked violations
June 2, 2009State Administrative/Compliance Order with penalty issued11 linked violations
June 2, 2009State Administrative/Compliance Order with penalty issued37 linked violations
December 18, 2008State Public Notification received14 linked violations
March 28, 2008State Public Notification received14 linked violations
December 31, 2007State Public Notification received18 linked violations
September 18, 2007State Public Notification requested29 linked violations
April 9, 2007State Public Notification received4 linked violations
November 14, 2006State Public Notification requested1 linked violation
October 20, 2006State Public Notification received13 linked violations
May 14, 2001State Compliance achieved41 linked violations

Last known contact on file (system is inactive)

NEWPORT COLONY

6052945808

CLAREMONT, SD 57432