Lake Audubon vs Qacmainstfbk Lake
Water quality, depth, fish species, and recreation comparison.
Qacmainstfbk Lake has a higher water quality grade (A, Excellent) than Lake Audubon (B, Good). Both are in North Dakota.
Both Lake Audubon and Qacmainstfbk Lake sit in North Dakota. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are close: Lake Audubon (B) and Qacmainstfbk Lake (A) 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.
Lake Audubon
Murky, only visible to about 4.7 ft.
Qacmainstfbk Lake
No clarity data.
Side-by-Side Metrics
| Metric | Lake Audubon | Qacmainstfbk Lake |
|---|---|---|
| Overall Grade | B (Good) | A (Excellent) |
| Water Clarity | 4.7 ft | No data |
| Phosphorus | No data | 10 µg/L |
| Chlorophyll-a (Algae) | 4.7 µg/L | 7 µg/L |
| Maximum Depth | 59.4 ft | - |
| Surface Area | 19,095 acres | 133,000 acres |
| Public Access | Yes | Unknown |
| Fish Species | 11 | 1 |
| Trophic State | eutrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Qacmainstfbk Lake wins on overall water quality with a Grade A versus Lake Audubon's Grade B. For more fish-species variety, Lake Audubon edges ahead with 11 documented species.