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U.S. Steel-Minntac

Minnesota — Non-Transient Non-Community — PWSID: MN5690020

System Information

PWSIDMN5690020
System NameU.S. Steel-Minntac
System TypeNon-Transient Non-Community
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 23, 1981
Last ReportedNov 25, 2025

Location & Contact

StateMinnesota
CityMountain Iron
ZIP Code55768
AddressEnvironmental Engineering Department
OrganizationU.S. Steel Division
Phone—

Population & Service

Population Served1,250
Service Connections8

Drinking Water Violations (20)

This water system has 20 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
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Oct 31, 2013 Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2013 Surface Water Treatment Rule
Oct 1, 2013 Oct 31, 2013 Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2013 Surface Water Treatment Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No No — 4.0 mg/L — Resolved Jul 17, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No No — 4.0 mg/L — Resolved Jul 17, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No No — 4.0 mg/L — Resolved Jul 17, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 17, 2012 Total Coliform Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 17, 2012 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2005 Jul 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment 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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