Lake St. Croix vs St. Croix Lake
Water quality, depth, fish species, and recreation comparison.
Lake St. Croix has a higher water quality grade (B, Good) than St. Croix Lake (C, Fair). Both are in Washington County, Minnesota.
B
Lake St. Croix
Washington County, Minnesota
Murky, only visible to about 5.2 ft.
C
St. Croix Lake
Washington County, Minnesota
Moderate clarity, visible to about 8.7 ft.
Side-by-Side Metrics
| Metric | Lake St. Croix | St. Croix Lake |
|---|---|---|
| Overall Grade | B (Good) | C (Fair) |
| Water Clarity | 5.2 ft | 8.7 ft |
| Phosphorus | 18 µg/L | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 78 ft | 78 ft |
| Surface Area | 8.4K acres | 8.4K acres |
| Public Access | No | No |
| Fish Species | 36 | 36 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Lake St. Croix wins on overall water quality with a Grade B versus St. Croix Lake's Grade C. Water clarity: 5.2 ft vs 8.7 ft. For fishing diversity, Lake St. Croix also leads with 36 species.