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SUN PRAIRIE WATER DISTRICT

Montana — Community Water System — PWSID: MT0000571

System Information

PWSIDMT0000571
System NameSUN PRAIRIE WATER DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 5, 1980
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityGREAT FALLS
ZIP Code59404
Address236 SUN PRAIRIE RD
OrganizationSUN PRAIRIE COUNTY WATER DISTRICT
Phone406-964-0106

Population & Service

Population Served350
Service Connections103

Drinking Water Violations (94)

This water system has 94 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, 2023 — Consumer Confidence Rule Other No No — — — Resolved Nov 1, 2023 Consumer Confidence Rule
Oct 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Nov 1, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 19, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 19, 2023 Consumer Confidence Rule
Dec 1, 2021 Dec 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2021 Revised Total Coliform Rule
Dec 1, 2021 Dec 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2021 Revised Total Coliform Rule
Dec 1, 2021 Dec 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2021 Revised Total Coliform Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 28, 2021 Consumer Confidence Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 28, 2021 Consumer Confidence Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 25, 2021 Lead and Copper Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 25, 2021 Lead and Copper Rule
Jan 1, 2020 Dec 31, 2022 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Oct 17, 2018 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Oct 17, 2018 Consumer Confidence Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Nov 25, 2020 Revised Total Coliform Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Nov 25, 2020 Revised Total Coliform Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Nov 25, 2020 Revised Total Coliform Rule
Dec 30, 2014 — Lead and Copper Rule MR No No — TT — Resolved May 8, 2015 Lead and Copper Rule
Dec 30, 2014 — Lead and Copper Rule MR No No — TT — Resolved May 8, 2015 Lead and Copper Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MR No No — 0.080 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MR No No — 0.080 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MR No No — 0.080 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Mar 1, 2007 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Mar 1, 2007 Consumer Confidence Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Apr 18, 2007 Consumer Confidence Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Apr 18, 2007 Consumer Confidence Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Apr 18, 2007 Consumer Confidence Rule
Jan 1, 1999 Dec 31, 2001 Nickel MR No Yes — — — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Nickel MR No Yes — — — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Nickel MR No Yes — — — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Nickel MR No Yes — — — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2001 Inorganic Chemicals
Jan 1, 1999 Dec 31, 2001 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2001 Arsenic 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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