EDGEMONT, SD · Fall River County

EDGEMONT 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): SD4600114
System type: Community Water System
Population served: 725
Service connections: 506
Ownership: local government
Water source: groundwater (wells)

Violation history

Failure To Address Deficiency
Health-based
Groundwater Rule
October 20, 2021 – November 3, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2013 – June 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nickel
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Chromium
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Selenium
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Barium
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Toluene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2005 – June 30, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2005 – June 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2003 – September 30, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2001 – November 30, 2001
Resolved
Notification, Public
—
Dieldrin
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
Heptachlor
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
Heptachlor epoxide
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
Atrazine
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
Methoxychlor
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
Propachlor
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
Dalapon
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
Dicamba
October 14, 2000 – November 13, 2000
Archived
Notification, Public
—
2,4,5-TP
October 14, 2000 – November 13, 2000
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Endothall
January 1, 1999 – December 31, 1999
Resolved
Notification, Public
—
Coliform (TCR)
December 14, 1996 – January 13, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
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
October 20, 2021 – November 3, 2022	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nickel	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Chromium	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Selenium	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Barium	—	Resolved
September 1, 2009 – September 30, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
June 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2003 – December 31, 2003	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
July 1, 2003 – September 30, 2003	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
November 1, 2001 – November 30, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 14, 2000 – November 13, 2000	Notification, Public	Dieldrin	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	Heptachlor	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	Heptachlor epoxide	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	Atrazine	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	Methoxychlor	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	Propachlor	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	Dalapon	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	Dicamba	—	Archived
October 14, 2000 – November 13, 2000	Notification, Public	2,4,5-TP	—	Archived
October 1, 1999 – December 31, 1999	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Endothall	—	Resolved
December 14, 1996 – January 13, 1997	Notification, Public	Coliform (TCR)	—	Archived
August 1, 1996 – August 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	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

November 3, 2022State Compliance achieved1 linked violation
November 2, 2022State Compliance achieved1 linked violation
October 20, 2021State Intentional no-action1 linked violation
March 19, 2015State Public Notification requested3 linked violations
January 9, 2015State Compliance achieved9 linked violations
June 16, 2014State Public Notification received4 linked violations
February 10, 2014State Public Notification requested9 linked violations
October 28, 2013State Compliance achieved6 linked violations
January 26, 2012State Public Notification received3 linked violations
January 26, 2012State Public Notification received7 linked violations
January 23, 2012State Compliance achieved6 linked violations
January 23, 2012State Compliance achieved4 linked violations
January 23, 2012State Compliance achieved11 linked violations
January 18, 2012State Public Notification requested1 linked violation
January 18, 2012State Public Notification requested3 linked violations
January 18, 2012State Public Notification requested1 linked violation
March 29, 2011State Compliance achieved4 linked violations
January 6, 2011State Compliance achieved1 linked violation
May 21, 2010State Public Notification received11 linked violations
April 16, 2010State Public Notification requested8 linked violations
April 14, 2010State Administrative/Compliance Order without penalty issued1 linked violation
April 14, 2010State Administrative/Compliance Order without penalty issued2 linked violations
April 14, 2010State Administrative/Compliance Order without penalty issued2 linked violations
April 1, 2010State Compliance achieved1 linked violation
March 5, 2010State Public Notification requested5 linked violations
October 26, 2009State Public Notification requested2 linked violations
October 19, 2009State Public Notification received1 linked violation
October 14, 2009State Public Notification requested2 linked violations
October 14, 2009State Public Notification requested1 linked violation
July 30, 2009State Public Notification requested1 linked violation
March 13, 2007State Compliance achieved5 linked violations
March 13, 2007State Compliance achieved7 linked violations
March 13, 2007State Compliance achieved6 linked violations
March 13, 2007State Compliance achieved7 linked violations
February 22, 2007State Public Notification received6 linked violations
February 22, 2007State Public Notification received5 linked violations
January 19, 2007State Public Notification requested6 linked violations
January 19, 2007State Public Notification requested7 linked violations
January 19, 2007State Public Notification requested5 linked violations
January 19, 2007State Public Notification requested7 linked violations
January 24, 2006State Compliance achieved3 linked violations
January 1, 2006State Compliance achieved2 linked violations
December 22, 2005State Administrative/Compliance Order with penalty issued2 linked violations
December 22, 2005State Administrative/Compliance Order with penalty issued1 linked violation
September 2, 2005State Public Notification requested1 linked violation
July 7, 2005State Public Notification received2 linked violations
July 1, 2005State Intentional no-action2 linked violations
September 1, 2004State Compliance achieved2 linked violations
April 23, 2004State Public Notification received4 linked violations
September 10, 2003State Compliance achieved4 linked violations
May 25, 2000State Compliance achieved33 linked violations
April 11, 2000State Public Notification requested3 linked violations

Contact

EDGEMONT

Phone not on record

EDGEMONT, SD 57735