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COLUMBIA CITY OF (SC4010001)

South Carolina — Community Water System — PWSID: SC4010001

System Information

PWSIDSC4010001
System NameCOLUMBIA CITY OF (SC4010001)
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region04
Serves SchoolNo
WholesalerNo
First ReportedFeb 10, 1979
Last ReportedDec 4, 2025

Location & Contact

StateSouth Carolina
CityCOLUMBIA
ZIP Code29201
Address300 LAUREL ST
OrganizationSHEALY, CLINT
Phone803-545-3400

Population & Service

Population Served319,500
Service Connections153,420

Drinking Water Violations (76)

This water system has 76 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
Dec 1, 2024 Dec 31, 2024 Chlorite MCL Yes No 1.33 MG/L 1.0 mg/L 1 Archived Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Chlorite MCL Yes No 1.33 MG/L 1.0 mg/L 1 Archived Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Chlorite MCL Yes No 1.33 MG/L 1.0 mg/L 1 Archived Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MCL Yes No — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Chlorite MR No No — 1.0 mg/L — Resolved Aug 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2017 Aug 31, 2017 Chlorite MR No No — 1.0 mg/L — Resolved Aug 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2017 Aug 31, 2017 Chlorite MR No No — 1.0 mg/L — Resolved Aug 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2015 Nov 30, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2015 Nov 30, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2015 Nov 30, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2015 Nov 30, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Oct 31, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2009 Apr 30, 2009 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2005 Aug 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2005 Aug 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2005 Aug 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2005 Aug 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2005 Aug 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 1999 Oct 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1999 Total Coliform Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1997 Total Coliform Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1997 Total Coliform Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1997 Total Coliform Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1997 Total Coliform Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1997 Total Coliform 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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