Crowder S.P. Lake vs North Bethany City Reservoir
Water quality, depth, fish species, and recreation comparison.
North Bethany City Reservoir has a higher water quality grade (B, Good) than Crowder S.P. Lake (F, Very Poor). Both are in Wisconsin.
Crowder S.P. Lake and North Bethany City Reservoir 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. The grades are meaningfully apart: North Bethany City Reservoir grades a B while Crowder S.P. Lake grades a F. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.
For a recreational visitor, the wider grade gap is decisive — North Bethany City Reservoir is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?
Crowder S.P. Lake
Very murky, less than 1 ft of visibility.
North Bethany City Reservoir
Good clarity, visible to about 10.5 ft.
Side-by-Side Metrics
| Metric | Crowder S.P. Lake | North Bethany City Reservoir |
|---|---|---|
| Overall Grade | F (Very Poor) | B (Good) |
| Water Clarity | 1 ft | 10.5 ft |
| Phosphorus | 110 µg/L | 11 µg/L |
| Chlorophyll-a (Algae) | 176.4 µg/L | 6.9 µg/L |
| Maximum Depth | - | - |
| Surface Area | 22 acres | 76 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | hypereutrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
North Bethany City Reservoir wins on overall water quality with a Grade B versus Crowder S.P. Lake's Grade F. Water clarity: 10.5 ft vs 1 ft. For fishing diversity, North Bethany City Reservoir also leads with 0 species.