Springbrook Lake
Guthrie County, WisconsinEutrophic
Springbrook Lake is a 12-acre productive, nutrient-rich eutrophic lake in Guthrie County, IA. Water quality is graded D based on 2 sampling years through 2024.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-04. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 3 ft of visibility. Chlorophyll-a: 22.9 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 22.9 µg/L | D |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 12 acres |
Location
County Ranking
Ranked #1 of 1 lakes in Guthrie County
Nearby Lakes in Guthrie County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Springbrook Lake is a man-made reservoir impounded by the Springbrook Lake Dam (completed 1934), built primarily for recreation on the TR-MIDDLE RACCOON RIVER; earth-type dam, 40 ft tall and 580 ft long.
- Surface area
- 12 ac
- Normal storage
- 58 ac-ft
- Max storage
- 187 ac-ft
- Drainage area
- 2.54 sq mi
- Hazard class
- Significant
- Owner
- Iowa Department of Natural Resources
Source: USACE National Inventory of Dams, NID ID IA01345 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-04
Monitoring stations: 1