Dead Colt Creek Dam Lake vs Sprague Lake
Water quality, depth, fish species, and recreation comparison.
Dead Colt Creek Dam Lake and Sprague Lake both received the same overall water quality grade of F (Very Poor). Both are in Wisconsin.
Dead Colt Creek Dam Lake and Sprague 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. These two are within a letter of each other on the rubric — Dead Colt Creek Dam Lake (F) versus Sprague Lake (F). 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.
Dead Colt Creek Dam Lake
Very murky, less than 3.3 ft of visibility.
Sprague Lake
Very murky, less than 1.6 ft of visibility.
Side-by-Side Metrics
| Metric | Dead Colt Creek Dam Lake | Sprague Lake |
|---|---|---|
| Overall Grade | F (Very Poor) | F (Very Poor) |
| Water Clarity | 3.3 ft | 1.6 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | 32.3 µg/L | 43.4 µg/L |
| Maximum Depth | - | - |
| Surface Area | 124 acres | 58 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
Both lakes earn the same Grade F. The tiebreakers come down to clarity (Dead Colt Creek Dam Lake: 3.3 ft, Sprague Lake: 1.6 ft) and what you want from the lake. Dead Colt Creek Dam Lake matches its peer on species count.