JEFFERSON SCHOOL DISTRICT NO 1
Montana - Non-Transient Non-Community - PWSID: MT0001209
System Information
| PWSID | MT0001209 |
| System Name | JEFFERSON SCHOOL DISTRICT NO 1 |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | GLENDIVE |
| ZIP Code | 59330 |
| Address | PO BOX 701 |
| Organization | COON, RHETT |
| Phone | 406-377-2555 |
Population & Service
| Population Served | 270 |
| Service Connections | 1 |
Drinking Water Violations (308)
This water system has 308 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 | Jul 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2025 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2024 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2024 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2024 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Nov 6, 2020 | - | MR | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 6, 2020 | - | MR | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 6, 2020 | - | MR | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 2022 | - |
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.