Inguadona Lake vs Long Lake
Water quality, depth, fish species, and recreation comparison.
Long Lake has a higher water quality grade (A, Excellent) than Inguadona Lake (B, Good). Both are in Cass County, Minnesota.
Both Inguadona Lake and Long Lake sit in Minnesota. 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. These two are within a letter of each other on the rubric — Inguadona Lake (B) versus Long Lake (A). 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.
Inguadona Lake
Good clarity, visible to about 12.5 ft.
Long Lake
Crystal clear, you can see 21.5 ft down.
Side-by-Side Metrics
| Metric | Inguadona Lake | Long Lake |
|---|---|---|
| Overall Grade | B (Good) | A (Excellent) |
| Water Clarity | 12.5 ft | 21.5 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 79 ft | 115 ft |
| Surface Area | 1.1K acres | 1.0K acres |
| Public Access | Yes | Yes |
| Fish Species | 1 | 1 |
| Trophic State | mesotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Long Lake wins on overall water quality with a Grade A versus Inguadona Lake's Grade B. Water clarity: 21.5 ft vs 12.5 ft. For fishing diversity, Long Lake also leads with 1 species.