Port Perry Lake vs Port Perry Lake South Arm
Water quality, depth, fish species, and recreation comparison.
Port Perry Lake has a higher water quality grade (A, Excellent) than Port Perry Lake South Arm (B, Good). Both are in Perry County, Wisconsin.
Port Perry Lake and Port Perry Lake South Arm are both in Missouri — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. These two are within a letter of each other on the rubric — Port Perry Lake (A) versus Port Perry Lake South Arm (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.
Port Perry Lake
Good clarity, visible to about 12 ft.
Port Perry Lake South Arm
Moderate clarity, visible to about 9.5 ft.
Side-by-Side Metrics
| Metric | Port Perry Lake | Port Perry Lake South Arm |
|---|---|---|
| Overall Grade | A (Excellent) | B (Good) |
| Water Clarity | 12 ft | 9.5 ft |
| Phosphorus | 8.3 µg/L | 8.3 µg/L |
| Chlorophyll-a (Algae) | 2.1 µg/L | 2.3 µg/L |
| Maximum Depth | - | - |
| Surface Area | 187 acres | 187 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | oligotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Port Perry Lake wins on overall water quality with a Grade A versus Port Perry Lake South Arm's Grade B. Water clarity: 12 ft vs 9.5 ft. For fishing diversity, Port Perry Lake also leads with 0 species.