Bootjack Lake is a mesotrophic lake in Flathead County, Montana. Water quality is graded A based on 2 sampling years through 2023. Compared to the 79 other monitored lakes in Flathead County, Bootjack Lake ranks #50 for water quality.
Source: EPA Water Quality Portal sampling records, Montana DNR, last sampled 2023-08-07. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
No clarity data. Phosphorus level: 15.4 µg/L. Chlorophyll-a: 3.5 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 15.4 µg/L | A |
| Chlorophyll-a (Algae) | 3.5 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Bootjack Lake
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Fishing Bootjack Lake
Location
County Ranking
Ranked #50 of 80 lakes in Flathead County
Nearby Lakes in Flathead County
Explore Bootjack Lake across LakeGrade
More Montana Lake Rankings
Other Grade A Lakes in Montana
Mesotrophic Lakes in Montana
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-08-07
Monitoring stations: 1