Aspen Lake Along Southern Arm vs Castlenovo Lake
Water quality, depth, fish species, and recreation comparison.
Castlenovo Lake has a higher water quality grade (B, Good) than Aspen Lake Along Southern Arm (C, Fair). Both are in Warren County, Wisconsin.
Both Aspen Lake Along Southern Arm and Castlenovo Lake sit in Missouri. 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 — Aspen Lake Along Southern Arm (C) versus Castlenovo 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.
Aspen Lake Along Southern Arm
Murky, only visible to about 3.8 ft.
Castlenovo Lake
Murky, only visible to about 6 ft.
Side-by-Side Metrics
| Metric | Aspen Lake Along Southern Arm | Castlenovo Lake |
|---|---|---|
| Overall Grade | C (Fair) | B (Good) |
| Water Clarity | 3.8 ft | 6 ft |
| Phosphorus | 20.8 µg/L | 16.8 µg/L |
| Chlorophyll-a (Algae) | 5.3 µg/L | 2.9 µg/L |
| Maximum Depth | - | - |
| Surface Area | 146 acres | 10 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | eutrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Castlenovo Lake wins on overall water quality with a Grade B versus Aspen Lake Along Southern Arm's Grade C. Water clarity: 6 ft vs 3.8 ft. For fishing diversity, Castlenovo Lake also leads with 0 species.