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COLTON

South Dakota — Community Water System — PWSID: SD4600390

System Information

PWSIDSD4600390
System NameCOLTON
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityCOLTON
ZIP Code57018
AddressPO BOX 66
OrganizationCOLTON
Phone6053402052

Population & Service

Population Served738
Service Connections334

Drinking Water Violations (97)

This water system has 97 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
Nov 5, 2010 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 17, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 5, 2010 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 17, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Aug 6, 2007 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Aug 6, 2007 Consumer Confidence Rule
Jun 1, 2003 Jun 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2003 Total Coliform Rule
Jun 1, 2003 Jun 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2003 Total Coliform Rule
Jun 1, 2003 Jun 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2003 Total Coliform Rule
Nov 1, 2000 Nov 30, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2000 Total Coliform Rule
Nov 1, 2000 Nov 30, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2000 Total Coliform Rule
Nov 1, 2000 Nov 30, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2000 Total Coliform Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2001 Lead and Copper Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2001 Lead and Copper Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2001 Lead and Copper Rule
Sep 1, 1998 Sep 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Sep 1, 1998 Sep 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1997 Total Coliform Rule
Jan 1, 1996 Dec 31, 1998 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 LASSO MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 LASSO MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 1998 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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