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WILMOT

South Dakota — Community Water System — PWSID: SD4600371

System Information

PWSIDSD4600371
System NameWILMOT
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
CityWILMOT
ZIP Code57279
AddressPO BOX 40 - 725 MAIN STREET
OrganizationWILMOT
Phone6059384811

Population & Service

Population Served432
Service Connections280

Drinking Water Violations (99)

This water system has 99 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
Aug 3, 2012 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Aug 21, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 3, 2012 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Aug 21, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 21, 2011 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Apr 21, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 21, 2011 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Apr 21, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Jun 15, 2010 Lead and Copper Rule
Oct 1, 2009 — Lead and Copper Rule MR No No — TT — Resolved Jun 15, 2010 Lead and Copper Rule
Jan 1, 2000 Jun 30, 2000 Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2000 Lead and Copper Rule
Jan 1, 2000 Jun 30, 2000 Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2000 Lead and Copper Rule
Jan 1, 2000 Jun 30, 2000 Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2000 Lead and Copper Rule
Apr 1, 1998 Jun 30, 1998 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Toluene MR No Yes — 1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Toluene MR No Yes — 1 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Apr 1, 1998 Jun 30, 1998 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1998 Volatile Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Styrene MR No Yes — 0.1 mg/L — Resolved Mar 31, 1998 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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