Lake Marie vs Slipbluff Lake
Water quality, depth, fish species, and recreation comparison.
Lake Marie has a higher water quality grade (B, Good) than Slipbluff Lake (B, Good).
This comparison crosses state lines: Lake Marie in Missouri versus Slipbluff Lake in Iowa. The LakeGrade rubric is uniform across both, but the underlying monitoring programs differ in subtle ways worth noting. These two are within a letter of each other on the rubric — Lake Marie (B) versus Slipbluff Lake (B). 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.
Lake Marie
Moderate clarity, visible to about 7.8 ft.
Slipbluff Lake
Moderate clarity, visible to about 9 ft.
Side-by-Side Metrics
| Metric | Lake Marie | Slipbluff Lake |
|---|---|---|
| Overall Grade | B (Good) | B (Good) |
| Water Clarity | 7.8 ft | 9 ft |
| Phosphorus | 13 µg/L | No data |
| Chlorophyll-a (Algae) | 2.7 µg/L | 4.5 µg/L |
| Maximum Depth | - | - |
| Surface Area | 30 acres | 18 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Lake Marie wins on overall water quality with a Grade B versus Slipbluff Lake's Grade B. Water clarity: 7.8 ft vs 9 ft. For fishing diversity, Lake Marie also leads with 0 species.