Lake St. Croix vs Spring Lake
Water quality, depth, fish species, and recreation comparison.
Lake St. Croix has a higher water quality grade (B, Good) than Spring Lake (F, Very Poor). Both are in Minnesota.
B
Lake St. Croix
Washington County, Minnesota
Murky, only visible to about 5.2 ft.
F
Spring Lake
Dakota County, Minnesota
Very murky, less than 2.1 ft of visibility.
Side-by-Side Metrics
| Metric | Lake St. Croix | Spring Lake |
|---|---|---|
| Overall Grade | B (Good) | F (Very Poor) |
| Water Clarity | 5.2 ft | 2.1 ft |
| Phosphorus | 18 µg/L | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 78 ft | 17 ft |
| Surface Area | 8.4K acres | 1.5K acres |
| Public Access | No | Yes |
| Fish Species | 36 | 21 |
| Trophic State | mesotrophic | eutrophic |
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 Spring Lake's Grade F. Water clarity: 5.2 ft vs 2.1 ft. For fishing diversity, Lake St. Croix also leads with 36 species.