Caldron Falls Reservoir vs Lake Noquebay
Water quality, depth, fish species, and recreation comparison.
Lake Noquebay has a higher water quality grade (B, Good) than Caldron Falls Reservoir (D, Poor). Both are in Marinette County, Wisconsin.
Caldron Falls Reservoir and Lake Noquebay are both in Wisconsin — 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: Lake Noquebay grades a B while Caldron Falls Reservoir grades a D. 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 — Lake Noquebay 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?
Caldron Falls Reservoir
Murky, only visible to about 5.2 ft.
Lake Noquebay
Moderate clarity, visible to about 7.3 ft.
Side-by-Side Metrics
| Metric | Caldron Falls Reservoir | Lake Noquebay |
|---|---|---|
| Overall Grade | D (Poor) | B (Good) |
| Water Clarity | 5.2 ft | 7.3 ft |
| Phosphorus | No data | 19.4 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 1.0K acres | 2.4K 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
Lake Noquebay wins on overall water quality with a Grade B versus Caldron Falls Reservoir's Grade D. Water clarity: 7.3 ft vs 5.2 ft. For fishing diversity, Lake Noquebay also leads with 0 species.