Pool of Lake St. Croix vs Pool on Lake St. Croix Downstream of I94 Bridge
Water quality, depth, fish species, and recreation comparison.
Pool of Lake St. Croix and Pool on Lake St. Croix Downstream of I94 Bridge both received the same overall water quality grade of C (Fair). Both are in Washington County, Minnesota.
Both Pool of Lake St. Croix and Pool on Lake St. Croix Downstream of I94 Bridge sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. These two are within a letter of each other on the rubric — Pool of Lake St. Croix (C) versus Pool on Lake St. Croix Downstream of I94 Bridge (C). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.
With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Pool of Lake St. Croix
Murky, only visible to about 4.3 ft.
Pool on Lake St. Croix Downstream of I94 Bridge
Murky, only visible to about 5 ft.
Side-by-Side Metrics
| Metric | Pool of Lake St. Croix | Pool on Lake St. Croix Downstream of I94 Bridge |
|---|---|---|
| Overall Grade | C (Fair) | C (Fair) |
| Water Clarity | 4.3 ft | 5 ft |
| Phosphorus | 39.2 µg/L | 39.5 µg/L |
| 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 | 1 | 1 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade C. The tiebreakers come down to clarity (Pool of Lake St. Croix: 4.3 ft, Pool on Lake St. Croix Downstream of I94 Bridge: 5 ft) and what you want from the lake. Pool of Lake St. Croix matches its peer on species count.