WAKONDA, SD · Union County

CLAY RWS/SOUTH UNION 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): SD4602185
System type: Community Water System
Population served: 1,447
Service connections: 579
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Glyphosate
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Heptachlor
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Atrazine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Endothall
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
Diquat
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
Simazine
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
Picloram
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2004 – March 30, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2000 – June 30, 2000
Resolved
Notification, Public
—
Coliform (TCR)
February 9, 1999 – March 8, 1999
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1999 – December 31, 1999
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2004 – June 30, 2004	Monitoring, Regular	Glyphosate	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	Heptachlor	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	Atrazine	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	Endothall	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	Diquat	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	Simazine	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	Picloram	—	Resolved
January 1, 2004 – March 30, 2004	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Styrene	—	Resolved
June 1, 2000 – June 30, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 9, 1999 – March 8, 1999	Notification, Public	Coliform (TCR)	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Dinoseb	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved3 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved2 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved2 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved2 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved2 linked violations
August 27, 2004State Compliance achieved3 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved4 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved4 linked violations
August 27, 2004State Compliance achieved2 linked violations
August 27, 2004State Compliance achieved2 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved2 linked violations
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
August 27, 2004State Compliance achieved1 linked violation
July 21, 2004State Public Notification requested3 linked violations
July 21, 2004State Public Notification requested6 linked violations
July 21, 2004State Public Notification requested3 linked violations
July 21, 2004State Public Notification requested5 linked violations
July 21, 2004State Public Notification requested4 linked violations
July 21, 2004State Public Notification requested3 linked violations
July 21, 2004State Public Notification requested2 linked violations
July 21, 2004State Public Notification requested2 linked violations
April 21, 2004State Public Notification requested3 linked violations
April 21, 2004State Public Notification requested4 linked violations
April 21, 2004State Public Notification requested4 linked violations
April 21, 2004State Public Notification requested5 linked violations
April 21, 2004State Public Notification requested2 linked violations
April 21, 2004State Public Notification requested3 linked violations
April 21, 2004State Public Notification requested2 linked violations
April 21, 2004State Public Notification requested3 linked violations
April 21, 2004State Public Notification requested2 linked violations
April 21, 2004State Public Notification requested2 linked violations
May 29, 2002State Compliance achieved2 linked violations
May 29, 2002State Compliance achieved41 linked violations
May 29, 2002State Compliance achieved3 linked violations
May 29, 2002State Compliance achieved3 linked violations
May 29, 2002State Compliance achieved3 linked violations
May 29, 2002State Compliance achieved3 linked violations
May 29, 2002State Compliance achieved2 linked violations
May 29, 2002State Compliance achieved2 linked violations
May 29, 2002State Compliance achieved2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
May 13, 2002State Public Notification received2 linked violations
April 17, 2002State Public Notification requested4 linked violations
April 17, 2002State Public Notification requested1 linked violation
April 17, 2002State Public Notification requested2 linked violations
April 17, 2002State Public Notification requested3 linked violations

Contact

CLAY RWS/SOUTH UNION

6052672088

WAKONDA, SD 57073