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 | Mar 26, 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 | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 20, 2018 | — | |
| Oct 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | — | |
| Oct 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | — | |
| Oct 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | — | |
| Oct 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Jun 7, 2005 | — | |
| Oct 1, 2003 | — | MR | No | No | — | TT | — | Resolved | Sep 21, 2005 | — | |
| Jul 1, 2002 | Dec 31, 2002 | MR | No | No | — | TT | — | Resolved | May 29, 2002 | — | |
| Jul 1, 2002 | Dec 31, 2002 | MR | No | No | — | TT | — | Resolved | May 29, 2002 | — | |
| Jul 1, 2002 | Dec 31, 2002 | MR | No | No | — | TT | — | Resolved | May 29, 2002 | — | |
| Jan 1, 2002 | Jun 30, 2002 | MR | No | No | — | TT | — | Resolved | May 29, 2002 | — | |
| Jan 1, 2002 | Jun 30, 2002 | MR | No | No | — | TT | — | Resolved | May 29, 2002 | — | |
| Jan 1, 2002 | Jun 30, 2002 | MR | No | No | — | TT | — | Resolved | May 29, 2002 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | — | MR | No | No | — | TT | — | Resolved | Jan 30, 2004 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | — | |
| May 1, 2001 | May 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | — | |
| May 1, 2001 | May 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | — | |
| May 1, 2001 | May 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | — | |
| May 1, 2001 | May 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | — | |
| May 1, 2001 | May 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | — |
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.