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LakeQuality

Lake St. Croix vs Pool on Lake St. Croix Downstream of I94 Bridge

Water quality, depth, fish species, and recreation comparison.

Lake St. Croix has a higher water quality grade (B, Good) than Pool on Lake St. Croix Downstream of I94 Bridge (C, Fair).

B

Lake St. Croix

St. Croix County, Wisconsin

Murky, only visible to about 5.6 ft.

Murky, only visible to about 5 ft.

Side-by-Side Metrics

MetricLake St. CroixPool on Lake St. Croix Downstream of I94 Bridge
Overall GradeB (Good)C (Fair)
Water Clarity5.6 ft5 ft
Phosphorus16.5 µg/L39.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth60 ft78 ft
Surface Area7.7K acres8.4K acres
Public AccessYesNo
Fish Species736
Trophic Statemesotrophiceutrophic

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 Pool on Lake St. Croix Downstream of I94 Bridge's Grade C. Water clarity: 5.6 ft vs 5 ft. For more fish-species variety, Pool on Lake St. Croix Downstream of I94 Bridge edges ahead with 36 documented species.