Bad Medicine Lake vs Tamarac Lake
Water quality, depth, fish species, and recreation comparison.
Bad Medicine Lake reads lower on nutrients and algae than Tamarac Lake. Both are in Becker County, Minnesota.
Bad Medicine Lake and Tamarac Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. These two sit close on their nutrient and algae readings, Bad Medicine Lake versus Tamarac Lake. The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.
With readings this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Bad Medicine Lake
Crystal clear, you can see 25 ft down.
Tamarac Lake
Moderate clarity, visible to about 6.9 ft.
Side-by-Side Metrics
| Metric | Bad Medicine Lake | Tamarac Lake |
|---|---|---|
| Water Clarity | 25 ft Better | 6.9 ft |
| Phosphorus | 6 µg/L Better | 20 µg/L |
| Chlorophyll-a (Algae) | 1.6 µg/L Better | 6.2 µg/L |
| Maximum Depth | 84 ft Better | 34 ft |
| Surface Area | 803 acres | 1,178 acres |
| Public Access | Yes | Yes |
| Fish Species | 13 | 16 Better |
| Trophic State | oligotrophic | mesotrophic |
A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.
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Verdict
Bad Medicine Lake and Tamarac Lake read the same on nutrients and algae overall. The tiebreakers come down to clarity (Bad Medicine Lake: 25 ft, Tamarac Lake: 6.9 ft) and what you want from the lake. Bad Medicine Lake has fewer fish species than Tamarac Lake.
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Where to stay near Bad Medicine Lake and Tamarac Lake
Compare cabins, hotels, and vacation rentals around Bad Medicine Lake and Tamarac Lake. Both lakes are pinned on the map, so you can see which stays sit nearer the one you pick. Switch to Satellite to see how close each is to the water.
Top-rated places to stay near Bad Medicine Lake and Tamarac Lake
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Source: EPA National Aquatic Resource Surveys, 2026.