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TWO BUTTES WATER USERS ASSN

Montana — Community Water System — PWSID: MT0000580

System Information

PWSIDMT0000580
System NameTWO BUTTES WATER USERS ASSN
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 5, 1980
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityFORT SHAW
ZIP Code59443
AddressPO BOX 116
OrganizationJOHNSON, JUSTIN S
Phone—

Population & Service

Population Served525
Service Connections126

Drinking Water Violations (111)

This water system has 111 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, 2019 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Nov 13, 2017 Consumer Confidence Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Nov 13, 2017 Consumer Confidence Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Jan 29, 2018 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Jan 29, 2018 Consumer Confidence Rule
Mar 8, 2017 — E. COLI MR No Yes — — — Resolved Mar 10, 2017 Ground Water Rule
Mar 8, 2017 — E. COLI MR No Yes — — — Resolved Mar 10, 2017 Ground Water Rule
Mar 8, 2017 — E. COLI MR No Yes — — — Resolved Mar 10, 2017 Ground Water Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Feb 20, 2018 Revised Total Coliform Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Feb 20, 2018 Revised Total Coliform Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Feb 20, 2018 Revised Total Coliform Rule
Oct 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Nov 2, 2015 Consumer Confidence Rule
Oct 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Nov 2, 2015 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Nov 2, 2015 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Nov 2, 2015 Consumer Confidence Rule
Oct 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Oct 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jan 23, 2014 Lead and Copper Rule
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jan 23, 2014 Lead and Copper Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Jul 1, 2013 Sep 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Feb 5, 2015 Consumer Confidence Rule
Jul 1, 2013 Sep 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Feb 20, 2018 Consumer Confidence Rule
Oct 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Feb 20, 2018 Consumer Confidence Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Feb 20, 2018 Consumer Confidence Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Feb 20, 2018 Consumer Confidence Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Feb 20, 2018 Consumer Confidence Rule
Jun 1, 2012 Jun 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2012 Total Coliform Rule
Jun 1, 2012 Jun 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2012 Total Coliform Rule
Jun 1, 2012 Jun 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2012 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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