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JEFFERSON SCHOOL DISTRICT NO 1

Montana — Non-Transient Non-Community — PWSID: MT0001209

System Information

PWSIDMT0001209
System NameJEFFERSON SCHOOL DISTRICT NO 1
System TypeNon-Transient Non-Community
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolYes
WholesalerNo
First ReportedMar 5, 1980
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityGLENDIVE
ZIP Code59330
AddressPO BOX 701
OrganizationCOON, RHETT
Phone406-377-2555

Population & Service

Population Served270
Service Connections1

Drinking Water Violations (307)

This water system has 307 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
Jul 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Sep 16, 2025 Lead and Copper Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
Jul 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Sep 16, 2025 Lead and Copper Rule
Jul 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Sep 16, 2025 Lead and Copper Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Sep 16, 2025 Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Sep 16, 2025 Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Sep 4, 2024 Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Sep 4, 2024 Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Sep 4, 2024 Lead and Copper Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Sep 16, 2025 Lead and Copper Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 4, 2024 Lead and Copper Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 4, 2024 Lead and Copper Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 4, 2024 Lead and Copper Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Dec 31, 2021 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2021 Nitrate Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2020 Revised Total Coliform Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2020 Revised Total Coliform Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2020 Revised Total Coliform Rule
Nov 6, 2020 — E. COLI MR No Yes — — — Resolved Nov 30, 2020 Ground Water Rule
Nov 6, 2020 — E. COLI MR No Yes — — — Resolved Nov 30, 2020 Ground Water Rule
Nov 6, 2020 — E. COLI MR No Yes — — — Resolved Nov 30, 2020 Ground Water Rule
Jan 1, 2020 Dec 31, 2022 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Asbestos MR No Yes — 7 MFL — Archived Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Asbestos MR No Yes — 7 MFL — Archived Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals

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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