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WINIFRED TOWN OF

Montana — Community Water System — PWSID: MT0000363

System Information

PWSIDMT0000363
System NameWINIFRED 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
CityWINIFRED
ZIP Code59489
AddressPO BOX 181
OrganizationDYER, SHIRLEY
Phone406-462-5425

Population & Service

Population Served274
Service Connections121

Drinking Water Violations (432)

This water system has 432 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, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 9, 2022 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 9, 2022 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 9, 2022 Lead and Copper Rule
Sep 15, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved Oct 12, 2021 Revised Total Coliform Rule
Sep 15, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved Oct 12, 2021 Revised Total Coliform Rule
Sep 15, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved Oct 12, 2021 Revised Total Coliform Rule
Jul 1, 2019 Sep 30, 2019 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 20, 2019 Radionuclides and Revised Rad Rule
Jul 1, 2019 Sep 30, 2019 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 20, 2019 Radionuclides and Revised Rad Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 31, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 31, 2019 Consumer Confidence Rule
Jul 1, 2019 Sep 30, 2019 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 20, 2019 Radionuclides and Revised Rad Rule
Oct 1, 2018 Dec 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 19, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2018 Dec 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 19, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2018 Dec 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 19, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 28, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 28, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 28, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 27, 2018 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 27, 2018 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 27, 2018 Lead and Copper Rule
Apr 1, 2017 Jun 30, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Jan 1, 2017 Mar 31, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2017 Radionuclides and Revised Rad Rule
Jan 1, 2017 Mar 31, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2017 Radionuclides and Revised Rad Rule
Jan 1, 2017 Mar 31, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 27, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 27, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 27, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 27, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 27, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 27, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 27, 2016 Radionuclides and Revised Rad Rule
Jul 1, 2015 Sep 30, 2015 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 29, 2015 Radionuclides and Revised Rad Rule
Jul 1, 2015 Sep 30, 2015 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 29, 2015 Radionuclides and Revised Rad Rule
Jul 1, 2015 Sep 30, 2015 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 29, 2015 Radionuclides and Revised Rad Rule
Jul 1, 2015 Sep 30, 2015 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Sep 29, 2015 Radionuclides and Revised Rad Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2014 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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