Lower Prior Lake vs Upper Prior Lake
Water quality, depth, fish species, and recreation comparison.
Lower Prior Lake has a higher water quality grade (B, Good) than Upper Prior Lake (C, Fair). Both are in Scott County, Minnesota.
B
Lower Prior Lake
Scott County, Minnesota
Moderate clarity, visible to about 9.5 ft.
C
Upper Prior Lake
Scott County, Minnesota
Murky, only visible to about 6 ft.
Side-by-Side Metrics
| Metric | Lower Prior Lake | Upper Prior Lake |
|---|---|---|
| Overall Grade | B (Good) | C (Fair) |
| Water Clarity | 9.5 ft | 6 ft |
| Phosphorus | 26.8 µg/L | 32.7 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 60 ft | 50 ft |
| Surface Area | 956.16 acres | 386.26 acres |
| Public Access | Yes | Yes |
| Fish Species | 15 | 16 |
| Trophic State | mesotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Lower Prior Lake wins on overall water quality with a Grade B versus Upper Prior Lake's Grade C. Water clarity: 9.5 ft vs 6 ft. For more fish-species variety, Upper Prior Lake edges ahead with 16 documented species.