Tecumseh Lake
Hardin County, WisconsinEutrophic
Tecumseh Lake is a 13-acre productive, nutrient-rich eutrophic lake in Hardin County, IL. Water quality is graded B based on 2 sampling years through 2020.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2020-10-29. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 3.6 ft. Phosphorus level: 18 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.6 ft | D |
| Phosphorus | 18 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 13 acres |
Location
County Ranking
Ranked #1 of 1 lakes in Hardin County
Nearby Lakes in Hardin County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Tecumseh Lake is a man-made reservoir impounded by the Techumseh (completed 1976), built primarily for recreation on the TR-BIG CREEK; other-type dam, 26 ft tall and 550 ft long.
- Surface area
- 13 ac
- Normal storage
- 75 ac-ft
- Max storage
- 100 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- Low
- Owner
- USDA FS
Source: USACE National Inventory of Dams, NID ID IL50614 · Operator website · Matched by proximity (0.14 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-10-29
Monitoring stations: 2