FLATHEAD LAKE BIOLOGICAL STATION U OF M
Montana — Non-Transient Non-Community — PWSID: MT0003724
System Information
| PWSID | MT0003724 |
| System Name | FLATHEAD LAKE BIOLOGICAL STATION U OF M |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 25, 1994 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | POLSON |
| ZIP Code | 59860 |
| Address | 32125 BIO STATION LN |
| Organization | HEISER, REGGIE |
| Phone | 406-872-4514 |
Population & Service
| Population Served | 66 |
| Service Connections | 12 |
Drinking Water Violations (70)
This water system has 70 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, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | Nitrate Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | Lead and Copper Rule |
| Oct 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 21, 2005 | Lead and Copper Rule |
| Jul 1, 2002 | Dec 31, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 29, 2002 | Lead and Copper Rule |
| Jul 1, 2002 | Dec 31, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 29, 2002 | Lead and Copper Rule |
| Jul 1, 2002 | Dec 31, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 29, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | Jun 30, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 29, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | Jun 30, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 29, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | Jun 30, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 29, 2002 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 30, 2004 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| May 1, 2001 | May 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | Total Coliform Rule |
| May 1, 2001 | May 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | Total Coliform Rule |
| May 1, 2001 | May 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | Total Coliform Rule |
| May 1, 2001 | May 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | Total Coliform Rule |
| May 1, 2001 | May 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | Total Coliform Rule |
| Apr 1, 2001 | Apr 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | Total Coliform Rule |
| Apr 1, 2001 | Apr 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | Total Coliform Rule |
| Apr 1, 2001 | Apr 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | Total Coliform Rule |
| Apr 1, 2001 | Apr 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | Total Coliform Rule |
| Apr 1, 2001 | Apr 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | Total Coliform Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
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.