HILLTOP TERRACE SUBDIVISION
Montana — Community Water System — PWSID: MT0001922
System Information
| PWSID | MT0001922 |
| System Name | HILLTOP TERRACE SUBDIVISION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | KALISPELL |
| ZIP Code | 59903 |
| Address | PO BOX 1139 |
| Organization | AHMANN, JUSTIN |
| Phone | 406-393-2126 |
Population & Service
| Population Served | 230 |
| Service Connections | 89 |
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, 2025 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 1, 2025 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Oct 1, 2021 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Oct 1, 2021 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Jul 1, 2021 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Jul 1, 2021 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Oct 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Oct 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 31, 2022 | — | |
| Jun 2, 2020 | — | TT | Yes | No | — | — | — | Resolved | Aug 1, 2022 | — | |
| Jun 2, 2020 | — | TT | Yes | No | — | — | — | Resolved | Aug 1, 2022 | — | |
| Jun 2, 2020 | — | TT | Yes | No | — | — | — | Resolved | Aug 1, 2022 | — | |
| Jun 1, 2020 | Jun 30, 2020 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2020 | — | |
| Jun 1, 2020 | Jun 30, 2020 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2020 | — | |
| Jun 1, 2020 | Jun 30, 2020 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2020 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Aug 2, 2019 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Aug 2, 2019 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | — | |
| May 1, 2017 | May 31, 2017 | MON | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MON | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MON | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2016 | — | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2016 | — | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2016 | — | |
| Apr 2, 2016 | — | Other | No | No | — | — | — | Resolved | Nov 1, 2021 | — | |
| Apr 2, 2016 | — | Other | No | No | — | — | — | Resolved | Nov 1, 2021 | — | |
| Apr 2, 2016 | — | Other | No | No | — | — | — | Resolved | Nov 1, 2021 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | — | — | Resolved | Dec 6, 2016 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | — | — | Resolved | Dec 6, 2016 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | — | — | Resolved | Dec 6, 2016 | — | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | — | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | — |
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.