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KADOKA

South Dakota — Community Water System — PWSID: SD4600181

System Information

PWSIDSD4600181
System NameKADOKA
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityKADOKA
ZIP Code57543
AddressPO BOX 58
OrganizationKADOKA
Phone6058372140

Population & Service

Population Served543
Service Connections325

Drinking Water Violations (110)

This water system has 110 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jun 20, 2005 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jun 2, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 20, 2005 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jun 2, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2002 Mar 30, 2002 Combined Radium (-226 and -228) MCL Yes No 11.4 5 pCi/L — Resolved Mar 30, 2002 Radionuclides and Revised Rad Rule
Jan 1, 2001 Mar 30, 2001 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Mar 30, 2001 Radionuclides and Revised Rad Rule
Jan 1, 2001 Mar 30, 2001 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Mar 30, 2001 Radionuclides and Revised Rad Rule
Jan 1, 2001 Mar 30, 2001 Combined Radium (-226 and -228) MCL Yes No 9.6 5 pCi/L — Resolved Mar 30, 2001 Radionuclides and Revised Rad Rule
Jan 1, 1998 Mar 31, 1998 Combined Radium (-226 and -228) MCL Yes No 6.7 5 pCi/L 5 Resolved Mar 31, 1998 Radionuclides and Revised Rad Rule
Jan 1, 1998 Mar 31, 1998 Combined Radium (-226 and -228) MCL Yes No 6.7 5 pCi/L 5 Resolved Mar 31, 1998 Radionuclides and Revised Rad Rule
Jan 1, 1998 Mar 31, 1998 Combined Radium (-226 and -228) MCL Yes No 6.7 5 pCi/L 5 Resolved Mar 31, 1998 Radionuclides and Revised Rad Rule
Jan 1, 1998 Mar 31, 1998 Combined Radium (-226 and -228) MCL Yes No 6.7 5 pCi/L 5 Resolved Mar 31, 1998 Radionuclides and Revised Rad Rule
Apr 1, 1997 Jun 30, 1997 Combined Radium (-226 and -228) MCL Yes No 7.2 5 pCi/L 5 Resolved Jun 30, 1997 Radionuclides and Revised Rad Rule
Apr 1, 1997 Jun 30, 1997 Combined Radium (-226 and -228) MCL Yes No 7.2 5 pCi/L 5 Resolved Jun 30, 1997 Radionuclides and Revised Rad Rule
Apr 1, 1997 Jun 30, 1997 Combined Radium (-226 and -228) MCL Yes No 7.2 5 pCi/L 5 Resolved Jun 30, 1997 Radionuclides and Revised Rad Rule
Jan 1, 1997 Mar 31, 1997 Combined Radium (-226 and -228) MCL Yes No 8.1 5 pCi/L 5 Resolved Mar 31, 1997 Radionuclides and Revised Rad Rule
Jan 1, 1997 Mar 31, 1997 Combined Radium (-226 and -228) MCL Yes No 8.1 5 pCi/L 5 Resolved Mar 31, 1997 Radionuclides and Revised Rad Rule
Jan 1, 1997 Mar 31, 1997 Combined Radium (-226 and -228) MCL Yes No 8.1 5 pCi/L 5 Resolved Mar 31, 1997 Radionuclides and Revised Rad Rule
Apr 1, 1996 Jun 30, 1996 Combined Radium (-226 and -228) MCL Yes No 9.1 5 pCi/L 5 Resolved Jun 30, 1996 Radionuclides and Revised Rad Rule
Apr 1, 1996 Jun 30, 1996 Combined Radium (-226 and -228) MCL Yes No 9.1 5 pCi/L 5 Resolved Jun 30, 1996 Radionuclides and Revised Rad Rule
Apr 1, 1996 Jun 30, 1996 Combined Radium (-226 and -228) MCL Yes No 9.1 5 pCi/L 5 Resolved Jun 30, 1996 Radionuclides and Revised Rad Rule
Mar 1, 1994 Mar 31, 1994 Coliform (TCR) MR No Yes — 5% of samples — Archived Mar 31, 1994 Total Coliform Rule
Jan 1, 1993 Dec 31, 1995 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Aldicarb MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Aldicarb MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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