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WESSINGTON

South Dakota — Community Water System — PWSID: SD4600361

System Information

PWSIDSD4600361
System NameWESSINGTON
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
CityWESSINGTON
ZIP Code57381
AddressPO BOX 38
OrganizationWESSINGTON
Phone6054582351

Population & Service

Population Served170
Service Connections127

Drinking Water Violations (107)

This water system has 107 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
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jul 22, 2022 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jul 22, 2022 Lead and Copper Rule
Mar 17, 2021 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 15, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 17, 2021 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 15, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jun 28, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jun 28, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Oct 1, 2002 Oct 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2002 Total Coliform Rule
Oct 1, 2002 Oct 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2002 Total Coliform Rule
Oct 1, 2002 Oct 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2002 Total Coliform Rule
Mar 1, 2000 Mar 31, 2000 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2000 Total Coliform Rule
Mar 1, 2000 Mar 31, 2000 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2000 Total Coliform Rule
Mar 1, 2000 Mar 31, 2000 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2000 Total Coliform Rule
Mar 1, 1999 Mar 31, 1999 Coliform (TCR) MR No Yes — 5% of samples — Archived Mar 31, 1999 Total Coliform Rule
Mar 1, 1999 Mar 31, 1999 Coliform (TCR) MR No Yes — 5% of samples — Archived Mar 31, 1999 Total Coliform Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jan 1, 1995 Nov 7, 1995 Lead and Copper Rule MR No No — TT — Resolved Nov 7, 1995 Lead and Copper Rule
Jan 1, 1993 Dec 31, 1995 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Endrin MR No Yes — 0.002 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
Jan 1, 1993 Dec 31, 1995 Benzo(a)pyrene MR No Yes — 0.0002 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
Jan 1, 1993 Dec 31, 1995 ETHYLENE DIBROMIDE MR No Yes — 0.00005 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 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 ETHYLENE DIBROMIDE MR No Yes — 0.00005 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 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Dinoseb MR No Yes — 0.007 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

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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