HOLTER DAM CG BLM
Montana — Transient Non-Community — PWSID: MT0003516
System Information
| PWSID | MT0003516 |
| System Name | HOLTER DAM CG BLM |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 12, 1991 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | HELENA |
| ZIP Code | 59602 |
| Address | 5965 YORK RD |
| Organization | MCGRATH, CHRIS |
| Phone | 406-345-5322 |
Population & Service
| Population Served | 300 |
| Service Connections | 6 |
Drinking Water Violations (25)
This water system has 25 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, 2024 | Dec 31, 2024 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| May 2, 2022 | — | RPT | No | No | — | — | — | Resolved | Mar 8, 2022 | — | |
| May 2, 2022 | — | RPT | No | No | — | — | — | Resolved | Mar 8, 2022 | — | |
| May 2, 2022 | — | RPT | No | No | — | — | — | Resolved | Mar 8, 2022 | — | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | — | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | — | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | — | |
| May 16, 2015 | — | MR | No | Yes | — | — | — | Resolved | Jun 3, 2015 | — | |
| May 16, 2015 | — | MR | No | Yes | — | — | — | Resolved | Jun 3, 2015 | — | |
| May 16, 2015 | — | MR | No | Yes | — | — | — | Resolved | Jun 3, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | — | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | — | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | — |
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.