Mary Lake vs Rachel Lake
Water quality, depth, fish species, and recreation comparison.
Mary Lake has a higher water quality grade (B, Good) than Rachel Lake (B, Good). Both are in Douglas County, Minnesota.
B
Mary Lake
Douglas County, Minnesota
Moderate clarity, visible to about 9.8 ft.
B
Rachel Lake
Douglas County, Minnesota
Moderate clarity, visible to about 8.9 ft.
Side-by-Side Metrics
| Metric | Mary Lake | Rachel Lake |
|---|---|---|
| Overall Grade | B (Good) | B (Good) |
| Water Clarity | 9.8 ft | 8.9 ft |
| Phosphorus | 19 µg/L | 20 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 40 ft | 65 ft |
| Surface Area | 2.5K acres | 448.16 acres |
| Public Access | Yes | Yes |
| Fish Species | 17 | 14 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Mary Lake wins on overall water quality with a Grade B versus Rachel Lake's Grade B. Water clarity: 9.8 ft vs 8.9 ft. For fishing diversity, Mary Lake also leads with 17 species.