Hunnewell Lake vs Mark Twain Lake by Hwy J
Water quality, depth, fish species, and recreation comparison.
Mark Twain Lake by Hwy J has a higher water quality grade (C, Fair) than Hunnewell Lake (D, Poor). Both are in Wisconsin.
Hunnewell Lake and Mark Twain Lake by Hwy J 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 close: Hunnewell Lake (D) and Mark Twain Lake by Hwy J (C) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.
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.
Hunnewell Lake
Very murky, less than 3.2 ft of visibility.
Mark Twain Lake by Hwy J
Murky, only visible to about 3.7 ft.
Side-by-Side Metrics
| Metric | Hunnewell Lake | Mark Twain Lake by Hwy J |
|---|---|---|
| Overall Grade | D (Poor) | C (Fair) |
| Water Clarity | 3.2 ft | 3.7 ft |
| Phosphorus | 36 µg/L | 33.6 µg/L |
| Chlorophyll-a (Algae) | 15.4 µg/L | 14.6 µg/L |
| Maximum Depth | - | - |
| Surface Area | 228 acres | 5.9K acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Mark Twain Lake by Hwy J wins on overall water quality with a Grade C versus Hunnewell Lake's Grade D. Water clarity: 3.7 ft vs 3.2 ft. For fishing diversity, Mark Twain Lake by Hwy J also leads with 0 species.