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 | Jan 5, 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 (41)
This water system has 41 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 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2025 | Revised Total Coliform Rule |
| Jun 1, 2025 | Jun 30, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2025 | Revised Total Coliform Rule |
| Jun 1, 2025 | Jun 30, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2025 | Revised Total Coliform Rule |
| Nov 4, 2022 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jan 24, 2023 | Lead and Copper Rule |
| Nov 4, 2022 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jan 24, 2023 | Lead and Copper Rule |
| Nov 4, 2022 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jan 24, 2023 | Lead and Copper Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 5, 2021 | Consumer Confidence Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 5, 2021 | Consumer Confidence Rule |
| Dec 30, 2015 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2016 | Lead and Copper Rule |
| Dec 30, 2015 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2016 | Lead and Copper Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 19, 2013 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 19, 2013 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2008 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2008 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2008 | Consumer Confidence Rule |
| Aug 14, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2006 | Lead and Copper Rule |
| Aug 14, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2006 | Lead and Copper Rule |
| Aug 14, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2006 | Lead and Copper Rule |
| Aug 14, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2006 | Lead and Copper Rule |
| Aug 14, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2006 | Lead and Copper Rule |
| Aug 14, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2006 | Lead and Copper Rule |
| Aug 14, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2006 | Lead and Copper Rule |
| Jan 1, 1994 | Dec 31, 1994 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 1994 | Arsenic Rule |
| Jan 1, 1994 | Dec 31, 1994 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Jan 1, 1994 | Dec 31, 1994 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jul 1, 1993 | Dec 31, 1993 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | Lead and Copper Rule |
| Jul 1, 1993 | Dec 31, 1993 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | Lead and Copper Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.