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HUMBOLDT

South Dakota — Community Water System — PWSID: SD4600167

System Information

PWSIDSD4600167
System NameHUMBOLDT
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
CityHUMBOLDT
ZIP Code57035
AddressPO BOX 72
OrganizationHUMBOLDT
Phone6053633789

Population & Service

Population Served579
Service Connections273

Drinking Water Violations (26)

This water system has 26 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 7, 2017 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jul 10, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 7, 2017 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jul 10, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2016 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Dec 8, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2016 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Dec 8, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
Apr 1, 2014 Jun 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2013 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 18, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2013 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 18, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2012 Total Coliform Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2012 Total Coliform Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2012 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Aug 5, 2003 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Aug 5, 2003 Consumer Confidence Rule
Sep 1, 2001 Sep 30, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Sep 30, 2001 Total Coliform Rule
Sep 1, 2001 Sep 30, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Sep 30, 2001 Total Coliform Rule
Sep 1, 2001 Sep 30, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Sep 30, 2001 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MR No Yes — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
Sep 1, 1997 Sep 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1997 Total Coliform Rule
Jul 1, 1976 Jun 30, 1980 Combined Radium (-226 and -228) MR No No — 5 pCi/L — Archived Jun 30, 1980 Radionuclides and Revised Rad Rule
Jul 1, 1976 Jun 30, 1980 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived Jun 30, 1980 Radionuclides and Revised Rad 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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