EAST HELENA CITY OF
Montana - Community Water System - PWSID: MT0000196
System Information
| PWSID | MT0000196 |
| System Name | EAST HELENA CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | EAST HELENA |
| ZIP Code | 59635 |
| Address | PO BOX 1170 |
| Organization | HARRIS, KELLY |
| Phone | 406-227-5321 |
Population & Service
| Population Served | 2,114 |
| Service Connections | 897 |
Drinking Water Violations (46)
This water system has 46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Nov 4, 2022 | - | TT | Yes | No | - | TT | - | Resolved | Jan 24, 2023 | - | |
| Nov 4, 2022 | - | TT | Yes | No | - | TT | - | Resolved | Jan 24, 2023 | - | |
| Nov 4, 2022 | - | TT | Yes | No | - | TT | - | Resolved | Jan 24, 2023 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 5, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 5, 2021 | - | |
| Dec 30, 2015 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2016 | - | |
| Dec 30, 2015 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2016 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 19, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 19, 2013 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2008 | - | |
| Aug 14, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 2, 2006 | - | |
| Aug 14, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 2, 2006 | - | |
| Aug 14, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 2, 2006 | - | |
| Aug 14, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 2, 2006 | - | |
| Aug 14, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 2, 2006 | - | |
| Aug 14, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 2, 2006 | - | |
| Aug 14, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 2, 2006 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Oct 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jul 1, 1993 | Dec 31, 1993 | MR | No | No | - | TT | - | Resolved | Dec 31, 1993 | - | |
| Jul 1, 1993 | Dec 31, 1993 | MR | No | No | - | TT | - | Resolved | Dec 31, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
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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.