John Lake vs Upper Maple Lake
Water quality, depth, fish species, and recreation comparison.
Upper Maple Lake has a higher water quality grade (A, Excellent) than John Lake (B, Good). Both are in Wright County, Minnesota.
B
John Lake
Wright County, Minnesota
Moderate clarity, visible to about 8.5 ft.
A
Upper Maple Lake
Wright County, Minnesota
Crystal clear, you can see 18 ft down.
Side-by-Side Metrics
| Metric | John Lake | Upper Maple Lake |
|---|---|---|
| Overall Grade | B (Good) | A (Excellent) |
| Water Clarity | 8.5 ft | 18 ft |
| Phosphorus | 22 µg/L | 16 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 28 ft | 76 ft |
| Surface Area | 397.49 acres | 632.6 acres |
| Public Access | Yes | Yes |
| Fish Species | 13 | 15 |
| Trophic State | mesotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Upper Maple Lake wins on overall water quality with a Grade A versus John Lake's Grade B. Water clarity: 18 ft vs 8.5 ft. For fishing diversity, Upper Maple Lake also leads with 15 species.