Lake Tschida
Grant County, WisconsinEutrophic
Lake Tschida is a 10,953-acre productive, nutrient-rich eutrophic lake in Grant County, ND. Water quality is graded C based on 3 sampling years through 2023. Compared to the 5 other monitored lakes in Grant County, Lake Tschida ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-07-25. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 6 ft. Phosphorus level: 23.5 µg/L. Chlorophyll-a: 12 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6 ft | D |
| Phosphorus | 23.5 µg/L | B |
| Chlorophyll-a (Algae) | 12 µg/L | C |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 11.0K acres |
Location
County Ranking
Ranked #1 of 6 lakes in Grant County
Nearby Lakes in Grant County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Lake Tschida is a man-made reservoir impounded by the Heart Butte Dam (completed 1949), built primarily for flood risk reduction on the HEART RIVER; earth-type dam, 142 ft tall and 1,850 ft long.
- Surface area
- 10,953 ac
- Normal storage
- 75,785 ac-ft
- Max storage
- 451,200 ac-ft
- Drainage area
- 1,714.46 sq mi
- Hazard class
- High
- Owner
- BUREAU OF RECLAMATION
All listed purposes: Flood Risk Reduction;Irrigation.
Source: USACE National Inventory of Dams, NID ID ND00149 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-07-25
Monitoring stations: 1