GALLATIN GATEWAY SCHOOL DIST 35
Montana - Non-Transient Non-Community - PWSID: MT0001288
System Information
| PWSID | MT0001288 |
| System Name | GALLATIN GATEWAY SCHOOL DIST 35 |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 08 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | GALLATIN GATEWAY |
| ZIP Code | 59730 |
| Address | PO Box 265 |
| Organization | HENDERSON, KELLY |
| Phone | 406-763-4915 |
Population & Service
| Population Served | 202 |
| Service Connections | 1 |
Drinking Water Violations (63)
This water system has 63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MCL | Yes | No | - | - | - | Resolved | Jun 20, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MCL | Yes | No | - | - | - | Resolved | Jun 20, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MCL | Yes | No | - | - | - | Resolved | Jun 20, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MCL | Yes | No | - | - | - | Resolved | Jun 20, 2019 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2010 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2010 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2010 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2010 | - | |
| Sep 10, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Sep 10, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Sep 10, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Jul 1, 2003 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Jul 1, 2003 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Jul 1, 2003 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Jul 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Jul 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Jul 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Jan 1, 2003 | Jun 30, 2003 | MR | No | No | - | TT | - | Resolved | Jun 30, 2003 | - | |
| Jan 1, 2003 | Jun 30, 2003 | MR | No | No | - | TT | - | Resolved | Jun 30, 2003 | - | |
| Jan 1, 2003 | Jun 30, 2003 | MR | No | No | - | TT | - | Resolved | Jun 30, 2003 | - | |
| Oct 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Oct 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Oct 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Aug 22, 2003 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Nov 1, 1999 | Nov 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1999 | - | |
| Nov 1, 1999 | Nov 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1999 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - |
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.