Fogle Lake
Ringgold County, WisconsinEutrophic
Fogle Lake is a 42-acre productive, nutrient-rich eutrophic lake in Ringgold County, IA. Water quality is graded F based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Ringgold County, Fogle Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-10-01. 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 2.3 ft of visibility. Chlorophyll-a: 31.3 µg/L. Trophic State Index: 65.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 31.3 µg/L | F |
| Trophic State Index (TSI) | 65 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 41.5 acres |
Location
County Ranking
Ranked #2 of 2 lakes in Ringgold County
Cleaner Lakes Within 30 Miles
Fogle Lake holds Grade F. 2 nearby lakes hold higher grades.
- DLoch Ayr LakeRinggold County · 7.6 mi · Higher grade (F → D)
- DThree Mile LakeUnion County · 19.2 mi · Higher grade (F → D)
Nearby Lakes in Ringgold County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Fogle Lake is a man-made reservoir impounded by the Fogle Lake Dam (completed 1996), built primarily for recreation on the TR- GRAND RIVER; earth-type dam, 36 ft tall and 810 ft long.
- Surface area
- 41.5 ac
- Normal storage
- 378 ac-ft
- Max storage
- 679 ac-ft
- Drainage area
- 0.85 sq mi
- Hazard class
- Significant
- Owner
- Iowa Department of Natural Resources
Source: USACE National Inventory of Dams, NID ID IA03152 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-01
Monitoring stations: 1