Volga Lake
Fayette County, WisconsinEutrophic
Volga Lake is a 135-acre productive, nutrient-rich eutrophic lake in Fayette County, IA. Water quality is graded F based on 2 sampling years through 2024.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-10-21. 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 2.1 ft of visibility. Chlorophyll-a: 52.2 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 52.2 µg/L | F |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 135 acres |
Location
County Ranking
Ranked #1 of 1 lakes in Fayette County
Nearby Lakes in Fayette County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Volga Lake is a man-made reservoir impounded by the Volga Lake Dam (completed 1980), built primarily for recreation on the TR-VOLGA RIVER; earth-type dam, 45 ft tall and 1,710 ft long.
- Surface area
- 135 ac
- Normal storage
- 1,670 ac-ft
- Max storage
- 3,808 ac-ft
- Drainage area
- 9 sq mi
- Hazard class
- Significant
- Owner
- Iowa Department of Natural Resources
Source: USACE National Inventory of Dams, NID ID IA02029 · Operator website
EPA Impairment Status
Volga Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IA 01-VOL-292 · Official waterbody report · Matched by proximity (0.7 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-21
Monitoring stations: 1