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MADISON

South Dakota — Community Water System — PWSID: SD4600199

System Information

PWSIDSD4600199
System NameMADISON
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityMADISON
ZIP Code57042
Address503 S. HIGHLAND AVE
OrganizationMADISON
Phone6052567515

Population & Service

Population Served6,191
Service Connections2,687

Drinking Water Violations (67)

This water system has 67 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
Apr 15, 2013 — Other No No — — — Resolved Apr 29, 2014 Ground Water Rule
Jan 1, 2013 Mar 31, 2013 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 TTHM MCL Yes No .096 MG/L 0.080 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 TTHM MCL Yes No .096 MG/L 0.080 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 TTHM MCL Yes No .096 MG/L 0.080 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MCL Yes No .103 MG/L 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MCL Yes No .103 MG/L 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MCL Yes No .103 MG/L 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MCL Yes No .103 MG/L 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MCL Yes No .101 MG/L 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MCL Yes No .101 MG/L 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MCL Yes No .101 MG/L 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MCL Yes No .101 MG/L 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 TTHM MCL Yes No .101 MG/L 0.080 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 TTHM MCL Yes No .101 MG/L 0.080 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 TTHM MCL Yes No .101 MG/L 0.080 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 Dec 31, 2011 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 Dec 31, 2011 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 Dec 31, 2011 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 Dec 31, 2011 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 TTHM MCL Yes No .084 MG/L 0.080 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 TTHM MCL Yes No .084 MG/L 0.080 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 TTHM MCL Yes No .084 MG/L 0.080 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 TTHM MCL Yes No .087 MG/L 0.080 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 TTHM MCL Yes No .087 MG/L 0.080 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 TTHM MCL Yes No .087 MG/L 0.080 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 TTHM MCL Yes No .082 MG/L 0.080 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 TTHM MCL Yes No .082 MG/L 0.080 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 TTHM MCL Yes No .082 MG/L 0.080 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 TTHM MCL Yes No .082 MG/L 0.080 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 1996 Sep 30, 1996 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 1996 Volatile 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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