Hanson-Doyle Lake is a cold, clear oligotrophic lake in Flathead County, Montana. Water quality is graded A based on 1 sampling years through 2023. Compared to the 79 other monitored lakes in Flathead County, Hanson-Doyle Lake ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, Montana DNR, last sampled 2023-08-08. Grade methodology: LakeGrade methodology.
Watch Hanson-Doyle Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 21.8 ft down. Trophic State Index: 33.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 21.8 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 33 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Hanson-Doyle Lake
Compare lakeside cabins, hotels, and vacation rentals near Hanson-Doyle Lake in Flathead County, Montana — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Hanson-Doyle Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Hanson-Doyle Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Hanson-Doyle Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Hanson-Doyle Lake
Location
County Ranking
Ranked #23 of 80 lakes in Flathead County
Nearby Lakes in Flathead County
Explore Hanson-Doyle Lake across LakeGrade
More Montana Lake Rankings
Other Grade A Lakes in Montana
Oligotrophic 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: 2023-08-08
Monitoring stations: 1