HURON, SD · Beadle County

RIVERSIDE 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): SD4602040
System type: Community Water System
Population served: 80
Service connections: 25
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Diquat
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Endrin
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2006 – November 30, 2006
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2000 – December 28, 2000
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1998 – July 7, 1998
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1997 – January 31, 1997
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1997 – November 3, 1997
Resolved
Notification, Public
—
No contaminant on record
October 14, 1996 – November 13, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1996 – June 30, 1996
Archived
Monitoring, Regular
—
Styrene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Simazine
January 1, 1993 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1993 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Picloram
January 1, 1993 – December 31, 1995
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 3, 1991 – January 2, 1995
Resolved

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
January 1, 2014 – March 31, 2014	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Diquat	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Endrin	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	2,4-D	—	Resolved
November 1, 2006 – November 30, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2000 – December 28, 2000	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1998 – July 7, 1998	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1997 – January 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1997 – November 3, 1997	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
October 14, 1996 – November 13, 1996	Notification, Public	—	—	Archived
June 1, 1996 – June 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – December 31, 1994	Monitoring, Regular	Styrene	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	Simazine	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	Picloram	—	Resolved
January 3, 1991 – January 2, 1995	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

June 29, 2019State Compliance achieved2 linked violations
February 6, 2017State Violation/Reminder Notice1 linked violation
May 28, 2014State Compliance achieved2 linked violations
May 28, 2014State Compliance achieved2 linked violations
May 28, 2014State Compliance achieved2 linked violations
May 28, 2014State Compliance achieved5 linked violations
May 28, 2014State Compliance achieved4 linked violations
May 28, 2014State Compliance achieved4 linked violations
May 28, 2014State Compliance achieved1 linked violation
May 5, 2014State Public Notification requested9 linked violations
May 5, 2014State Public Notification requested4 linked violations
May 5, 2014State Public Notification requested10 linked violations
May 5, 2014State Public Notification requested4 linked violations
July 11, 2005State Compliance achieved2 linked violations
May 25, 2004State Compliance achieved2 linked violations
September 1, 2002State Compliance achieved2 linked violations
July 9, 2002State Compliance achieved2 linked violations
March 12, 2002State Public Notification requested2 linked violations
February 1, 2002State Compliance achieved2 linked violations
August 13, 2001State Public Notification requested3 linked violations
May 10, 2001State Public Notification requested2 linked violations
March 14, 2001State Public Notification requested2 linked violations
December 28, 2000State Compliance achieved4 linked violations
March 13, 2000State Public Notification issued4 linked violations
December 17, 1999State Public Notification received2 linked violations
December 14, 1999State Public Notification requested2 linked violations
November 19, 1999State Public Notification received2 linked violations
February 18, 1999State Public Notification requested42 linked violations
October 14, 1998State Public Notification issued67 linked violations
November 14, 1996State Public Notification issued3 linked violations
October 22, 1996State Compliance achieved6 linked violations
July 26, 1996State Compliance achieved18 linked violations
June 27, 1996State Compliance achieved18 linked violations
June 14, 1996State Public Notification requested3 linked violations
September 1, 1995State Intentional no-action2 linked violations
April 19, 1995State Public Notification received2 linked violations
January 24, 1995State Public Notification received24 linked violations
January 20, 1995State Public Notification requested29 linked violations
January 11, 1995State Public Notification requested6 linked violations
May 2, 1994State Public Notification requested56 linked violations
October 26, 1993State Public Notification received65 linked violations

Contact

RIVERSIDE COLONY

6053527462

HURON, SD 57350