Bilby Ranch Lake
Nodaway County, WisconsinEutrophic
Bilby Ranch Lake is a 110-acre productive, nutrient-rich eutrophic lake in Nodaway County, MO. Water quality is graded D based on 3 sampling years through 2024. Compared to the 4 other monitored lakes in Nodaway County, Bilby Ranch Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-07-29. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 2.4 ft of visibility. Phosphorus level: 51.3 µg/L. Chlorophyll-a: 24.1 µg/L. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.4 ft | F |
| Phosphorus | 51.3 µg/L | C |
| Chlorophyll-a (Algae) | 24.1 µg/L | D |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 110 acres |
Location
County Ranking
Ranked #3 of 5 lakes in Nodaway County
Cleaner Lakes Within 30 Miles
Bilby Ranch Lake holds Grade D. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Nodaway County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
St. Louis city County · Clarity: 2.3 ft
Shelby County · Clarity: 3.2 ft
Macon County · Clarity: 1.8 ft
Harrison County · Clarity: 1.7 ft
Stone County · Clarity: 2.3 ft
Knox County · Clarity: 2.1 ft
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Bilby Ranch Lake is a man-made reservoir impounded by the Bilby Ranch Dam (completed 1991), built primarily for fish and wildlife pond on the TR NODAWAY RIVER; earth-type dam, 54 ft tall and 1,482 ft long.
- Surface area
- 110 ac
- Normal storage
- 1,360 ac-ft
- Max storage
- 2,970 ac-ft
- Drainage area
- 2.75 sq mi
- Hazard class
- Low
- Owner
- MO DEPT OF CONSERVATION
Source: USACE National Inventory of Dams, NID ID MO12280 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-07-29
Monitoring stations: 1