Pool of Lake St. Croix vs St. Croix Lake
Water quality, depth, fish species, and recreation comparison.
Pool of Lake St. Croix has a higher water quality grade (C, Fair) than St. Croix Lake (D, Poor).
C
Pool of Lake St. Croix
Washington County, Minnesota
Murky, only visible to about 4.3 ft.
D
St. Croix Lake
St. Croix County, Wisconsin
Murky, only visible to about 4.4 ft.
Side-by-Side Metrics
| Metric | Pool of Lake St. Croix | St. Croix Lake |
|---|---|---|
| Overall Grade | C (Fair) | D (Poor) |
| Water Clarity | 4.3 ft | 4.4 ft |
| Phosphorus | 39.2 µg/L | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 78 ft | 60 ft |
| Surface Area | 8.4K acres | 7.7K acres |
| Public Access | No | Yes |
| Fish Species | 36 | 7 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Pool of Lake St. Croix wins on overall water quality with a Grade C versus St. Croix Lake's Grade D. Water clarity: 4.3 ft vs 4.4 ft. For fishing diversity, Pool of Lake St. Croix also leads with 36 species.