Epping-Springbrook Dam-Deepest Lake vs Kota Ray Dam Lake
Water quality, depth, fish species, and recreation comparison.
Kota Ray Dam Lake has a higher water quality grade (B, Good) than Epping-Springbrook Dam-Deepest Lake (D, Poor). Both are in Williams County, Wisconsin.
Epping-Springbrook Dam-Deepest Lake and Kota Ray Dam Lake are both in North Dakota — 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: Kota Ray Dam Lake grades a B while Epping-Springbrook Dam-Deepest Lake 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 — Kota Ray Dam Lake 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?
Epping-Springbrook Dam-Deepest Lake
Murky, only visible to about 4.9 ft.
Kota Ray Dam Lake
Moderate clarity, visible to about 7.7 ft.
Side-by-Side Metrics
| Metric | Epping-Springbrook Dam-Deepest Lake | Kota Ray Dam Lake |
|---|---|---|
| Overall Grade | D (Poor) | B (Good) |
| Water Clarity | 4.9 ft | 7.7 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | 21.3 µg/L | 3.5 µg/L |
| Maximum Depth | - | - |
| Surface Area | 148 acres | 27.7 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
Kota Ray Dam Lake wins on overall water quality with a Grade B versus Epping-Springbrook Dam-Deepest Lake's Grade D. Water clarity: 7.7 ft vs 4.9 ft. For fishing diversity, Kota Ray Dam Lake also leads with 0 species.