Webster Lake
Kosciusko County, WisconsinLimited DataEutrophic
Webster Lake is a 774-acre productive, nutrient-rich eutrophic lake in Kosciusko County, IN. Water quality is graded D based on 1 sampling years through 2021. Compared to the 18 other monitored lakes in Kosciusko County, Webster Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-08-11. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 5.6 ft. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.6 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 774 acres |
Location
County Ranking
Ranked #11 of 19 lakes in Kosciusko County
Cleaner Lakes Within 30 Miles
Webster Lake holds Grade D. 2 nearby lakes hold higher grades.
- CLmj-17 LakeKosciusko County · 2.9 mi · Higher grade (D → C)
- CWti-01 LakeWhitley County · 3.5 mi · Higher grade (D → C)
Nearby Lakes in Kosciusko County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Webster Lake is a man-made reservoir impounded by the Webster Lake Dam - East (completed 1835), built primarily for recreation on the TIPPECANOE RIVER; gravity-type dam, 12 ft tall and 38 ft long.
- Surface area
- 774 ac
- Normal storage
- 5,389 ac-ft
- Max storage
- 7,545 ac-ft
- Drainage area
- 49.2 sq mi
- Hazard class
- High
- Owner
- Steve Bryant
Source: USACE National Inventory of Dams, NID ID IN00346 · Operator website · Matched by proximity (0.96 km)
EPA Impairment Status
Webster Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit INB06P1046_00 · Official waterbody report · Matched by proximity (2.18 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: 2021-08-11
Monitoring stations: 1