Green Lake vs Johnson Lake
Water quality, depth, fish species, and recreation comparison.
Green Lake has a higher water quality grade (A, Excellent) than Johnson Lake (F, Very Poor). Both are in Kandiyohi County, Minnesota.
A
Green Lake
Kandiyohi County, Minnesota
Good clarity, visible to about 13.1 ft.
F
Johnson Lake
Kandiyohi County, Minnesota
Very murky, less than 1.6 ft of visibility.
Side-by-Side Metrics
| Metric | Green Lake | Johnson Lake |
|---|---|---|
| Overall Grade | A (Excellent) | F (Very Poor) |
| Water Clarity | 13.1 ft | 1.6 ft |
| Phosphorus | 14 µg/L | 96 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 110 ft | 18 ft |
| Surface Area | 5.6K acres | 2.7K acres |
| Public Access | Yes | Yes |
| Fish Species | 22 | 16 |
| Trophic State | mesotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Green Lake wins on overall water quality with a Grade A versus Johnson Lake's Grade F. Water clarity: 13.1 ft vs 1.6 ft. For fishing diversity, Green Lake also leads with 22 species.