Webb Lake
Burnett County, WisconsinLimited DataMesotrophic
The LakeGrade rubric puts Webb Lake at a C: clarity at 8.0 ft, phosphorus readings still being added, and a TSI of 47 signal an intermediate trophic state. Sub-grades cluster within a single letter of each other, which usually means the lake is in stable trophic balance rather than fighting one specific stressor.
The lake sits in the mesotrophic zone — the band where most well-managed Wisconsin lakes fall. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. The lake's 759 acres and partial shoreline records put it in the mid-range bucket — large enough for varied use, small enough that watershed inputs reach the whole basin. Webb Lake sits at rank 40 of 57 in Burnett County, in the lower half of the local distribution.
No invasive species are currently listed at Webb Lake — the lake remains off the Wisconsin infested-waters roster. The state fisheries records do not list documented species for Webb Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 8 ft. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 759 acres |
| Public Access | Yes |
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.271 m/yr | 6 |
Recreation & Access
Location
County Ranking
Ranked #40 of 57 lakes in Burnett County
Cleaner Lakes Within 30 Miles
Webb Lake holds Grade C. 5 nearby lakes hold higher grades.
- ADes Moines LakeBurnett County · mi · Two grade letters higher (C → A)
- ALong LakeBurnett County · mi · Two grade letters higher (C → A)
- ABig Bear LakeBurnett County · mi · Two grade letters higher (C → A)
- ADeer LakeBurnett County · mi · Two grade letters higher (C → A)
- AFish LakeBurnett County · mi · Two grade letters higher (C → A)
Nearby Lakes in Burnett County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Compare Webb Lake With Nearby Lakes
Reservoir Info (USACE NID)
Webb Lake is a man-made reservoir impounded by the Webb Lake (completed 1941), built primarily for recreation on the WEBB CREEK; gravity-type dam, 7 ft tall and 46 ft long.
- Surface area
- 759 ac
- Normal storage
- 2,300 ac-ft
- Max storage
- 2,375 ac-ft
- Drainage area
- 18 sq mi
- Hazard class
- Low
- Owner
- Burnett County
Source: USACE National Inventory of Dams, NID ID WI00616 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2025-09-17
Monitoring stations: 2
Where to stay near Webb Lake
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