CIRCLE TOWN OF

Montana — Community Water System — PWSID: MT0000176

System Information

PWSIDMT0000176
System NameCIRCLE TOWN OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityCIRCLE
ZIP Code59215
AddressPO BOX 140
OrganizationJOHNSON, GARRY
Phone406-485-2524

Population & Service

Population Served644
Service Connections358

Drinking Water Violations (44)

This water system has 44 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, 2024 Lead and Copper Rule MR No No TT Resolved Aug 25, 2025 Lead and Copper Rule
Oct 1, 2024 Lead and Copper Rule MR No No TT Resolved Aug 25, 2025 Lead and Copper Rule
Oct 1, 2024 Lead and Copper Rule MR No No TT Resolved Aug 25, 2025 Lead and Copper Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2020 Mar 31, 2020 Revised Total Coliform Rule MON No Yes Resolved Mar 31, 2020 Revised Total Coliform Rule
Mar 1, 2020 Mar 31, 2020 Revised Total Coliform Rule MON No Yes Resolved Mar 31, 2020 Revised Total Coliform Rule
Mar 1, 2020 Mar 31, 2020 Revised Total Coliform Rule MON No Yes Resolved Mar 31, 2020 Revised Total Coliform Rule
Jul 1, 2017 Consumer Confidence Rule Other No No Resolved Jul 25, 2017 Consumer Confidence Rule
Jul 1, 2017 Consumer Confidence Rule Other No No Resolved Jul 25, 2017 Consumer Confidence Rule
Dec 30, 2015 Lead and Copper Rule MR No No TT Resolved Feb 1, 2016 Lead and Copper Rule
Dec 30, 2015 Lead and Copper Rule MR No No TT Resolved Feb 1, 2016 Lead and Copper Rule
Oct 1, 2015 Dec 31, 2015 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Chlorine MR No Yes 4.0 mg/L Resolved Mar 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Chlorine MR No Yes 4.0 mg/L Resolved Mar 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Chlorine MR No Yes 4.0 mg/L Resolved Mar 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes 4.0 mg/L Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Consumer Confidence Rule Other No No Resolved Jul 24, 2014 Consumer Confidence Rule
Jul 1, 2014 Consumer Confidence Rule Other No No Resolved Jul 24, 2014 Consumer Confidence 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
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
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
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
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

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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