Lake Fisher
Davis County, WisconsinEutrophic
Lake Fisher is a 87-acre productive, nutrient-rich eutrophic lake in Davis County, IA. Water quality is graded F based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Davis County, Lake Fisher ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-09. Grade methodology: LakeGrade methodology.
Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 2 ft of visibility. Chlorophyll-a: 30.2 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 30.2 µg/L | F |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 87 acres |
Location
County Ranking
Ranked #2 of 2 lakes in Davis County
Cleaner Lakes Within 30 Miles
Lake Fisher holds Grade F. 3 nearby lakes hold higher grades.
- BLacey Keosauqua LakeVan Buren County · 25 mi · Two grade letters higher (F → B)
- CLake WapelloDavis County · 8 mi · Two grade letters higher (F → C)
- DRathbun LakeAppanoose County · 24 mi · Higher grade (F → D)
Nearby Lakes in Davis County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Lake Fisher is a man-made reservoir impounded by the Lake Fisher Dam (completed 1937), built primarily for water supply on the TR-FOX RIVER; earth-type dam, 43 ft tall and 820 ft long.
- Surface area
- 87 ac
- Normal storage
- 1,128 ac-ft
- Max storage
- 2,166 ac-ft
- Drainage area
- 2.25 sq mi
- Hazard class
- Significant
- Owner
- City of Bloomfield
Source: USACE National Inventory of Dams, NID ID IA01339 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-09
Monitoring stations: 1