BLACK HAWK, SD · Lawrence County

76 RANCH ESTATES 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): SD4602259
System type: Community Water System
Population served: 40
Service connections: 16
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2011 – January 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2008 – January 31, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 3, 2006 – September 18, 2008
Resolved
Monitoring, Regular
—
Benzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Endrin
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Chlordane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
OXAMYL
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Dinoseb
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
2,4,5-TP
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Picloram
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
2,4-D
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Endothall
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Glyphosate
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Picloram
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Diquat
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Chlordane
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Simazine
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Toluene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Diquat
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Picloram
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Heptachlor
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Barium
January 1, 2006 – December 31, 2006
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2011 – January 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2008 – January 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 3, 2006 – September 18, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Endrin	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Chlordane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	OXAMYL	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	2,4,5-TP	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Picloram	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	2,4-D	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Endothall	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Glyphosate	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Atrazine	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Picloram	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Diquat	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Simazine	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	2,4,5-TP	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Toluene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Diquat	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Picloram	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Barium	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

January 31, 2011State Public Notification requested7 linked violations
January 1, 2010State Compliance achieved1 linked violation
July 1, 2009State Public Notification requested1 linked violation
June 30, 2009State Public Notification received1 linked violation
April 1, 2009State Compliance achieved1 linked violation
September 18, 2008State Public Notification received1 linked violation
September 18, 2008State Compliance achieved1 linked violation
September 18, 2008State Public Notification received1 linked violation
September 18, 2008State Public Notification received1 linked violation
September 18, 2008State Public Notification received1 linked violation
September 18, 2008State Compliance achieved1 linked violation
August 1, 2008State Compliance achieved1 linked violation
June 5, 2008State Compliance achieved1 linked violation
January 18, 2008State Public Notification received1 linked violation
December 6, 2007State Public Notification received1 linked violation
December 6, 2007State Public Notification received1 linked violation
November 7, 2007State Compliance achieved4 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved4 linked violations
November 7, 2007State Compliance achieved6 linked violations
November 7, 2007State Compliance achieved6 linked violations
November 7, 2007State Compliance achieved5 linked violations
November 7, 2007State Compliance achieved5 linked violations
November 7, 2007State Compliance achieved6 linked violations
November 7, 2007State Compliance achieved5 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved4 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved4 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved3 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved2 linked violations
November 7, 2007State Compliance achieved1 linked violation
November 7, 2007State Compliance achieved2 linked violations
October 9, 2007State Public Notification received1 linked violation
July 20, 2007State Public Notification received2 linked violations
July 20, 2007State Public Notification received6 linked violations
July 1, 2007State Compliance achieved1 linked violation
July 1, 2007State Compliance achieved1 linked violation
July 1, 2007State Compliance achieved1 linked violation
July 1, 2007State Compliance achieved1 linked violation
April 11, 2007State Compliance achieved7 linked violations
January 19, 2007State Violation/Reminder Notice2 linked violations
January 19, 2007State Violation/Reminder Notice2 linked violations
January 19, 2007State Violation/Reminder Notice1 linked violation
January 19, 2007State Violation/Reminder Notice1 linked violation
January 19, 2007State Violation/Reminder Notice2 linked violations
January 19, 2007State Violation/Reminder Notice1 linked violation
January 19, 2007State Violation/Reminder Notice2 linked violations
January 19, 2007State Violation/Reminder Notice2 linked violations
January 19, 2007State Violation/Reminder Notice1 linked violation
January 19, 2007State Violation/Reminder Notice2 linked violations
January 19, 2007State Violation/Reminder Notice1 linked violation
January 19, 2007State Violation/Reminder Notice1 linked violation
January 10, 2007State Intentional no-action3 linked violations
January 10, 2007State Intentional no-action1 linked violation
January 10, 2007State Intentional no-action1 linked violation
January 10, 2007State Intentional no-action1 linked violation
January 10, 2007State Intentional no-action1 linked violation
January 10, 2007State Intentional no-action2 linked violations
January 10, 2007State Intentional no-action2 linked violations
January 10, 2007State Intentional no-action2 linked violations
January 10, 2007State Intentional no-action2 linked violations
January 10, 2007State Intentional no-action2 linked violations
January 10, 2007State Intentional no-action3 linked violations
January 10, 2007State Intentional no-action3 linked violations
January 8, 2007State Intentional no-action1 linked violation
January 8, 2007State Intentional no-action8 linked violations
January 8, 2007State Intentional no-action8 linked violations
January 8, 2007State Intentional no-action2 linked violations
January 2, 2007State Public Notification requested2 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued2 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued2 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued7 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued7 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued5 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued12 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued16 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued2 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued2 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 9, 2006State Administrative/Compliance Order with penalty issued7 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued7 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued6 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued6 linked violations
November 9, 2006State Administrative/Compliance Order with penalty issued6 linked violations
October 18, 2006State Public Notification requested14 linked violations
October 18, 2006State Public Notification requested48 linked violations
July 28, 2006State Public Notification requested93 linked violations

Contact

76 RANCH ESTATES

Phone not on record

BLACK HAWK, SD 57718