JEFFERSON HILLS WUA
Montana - Community Water System - PWSID: MT0002978
System Information
| PWSID | MT0002978 |
| System Name | JEFFERSON HILLS WUA |
| 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 | Jan 29, 1985 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | HELENA |
| ZIP Code | 59601 |
| Address | 2047 N LAST CHANCE GULCH NO 330 |
| Organization | QUIGLEY, DUNCAN J |
| Phone | 406-422-9194 |
Population & Service
| Population Served | 780 |
| Service Connections | 72 |
Drinking Water Violations (170)
This water system has 170 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Aug 14, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Aug 14, 2023 | - | |
| Jun 3, 2023 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2024 | - | |
| Jun 3, 2023 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2024 | - | |
| Jun 3, 2023 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2024 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 21, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 21, 2022 | - | |
| Nov 18, 2020 | - | MR | No | Yes | - | - | - | Resolved | Dec 7, 2020 | - | |
| Nov 18, 2020 | - | MR | No | Yes | - | - | - | Resolved | Dec 7, 2020 | - | |
| Nov 18, 2020 | - | MR | No | Yes | - | - | - | Resolved | Dec 7, 2020 | - | |
| 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 | - | 0.00005 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 | - | 0.0002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 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 | - | 0.7 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 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 | - | 0.02 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 | - | 0.02 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.7 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 | - | 0.2 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 | - | 0.02 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | - | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 22, 2011 | - |
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.