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COLOME

South Dakota — Community Water System — PWSID: SD4600094

System Information

PWSIDSD4600094
System NameCOLOME
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
CityCOLOME
ZIP Code57528
AddressPO BOX 237
OrganizationCOLOME
Phone6058420853

Population & Service

Population Served323
Service Connections190

Drinking Water Violations (61)

This water system has 61 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
Mar 15, 2022 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jan 26, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 15, 2022 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jan 26, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Jun 10, 2019 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 18, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 10, 2019 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 18, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2014 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule

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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