Mud Hen Lake
Mud Hen Lake in Burnett County, Wisconsin has a water quality grade of B (Good). Water clarity: 11 ft visibility. Phosphorus: 15.8 µg/L. Maximum depth: 66 ft. Surface area: 569 acres.
- Clarity
- 11 ft
- Max depth
- 66 ft
- Area
- 569 acres
- Type
- Mesotrophic
- Trend
- ↓ Declining
- Public access
- Yes
Next lake in Burnett County
Mud Hen Lake is a 569-acre mesotrophic lake in Burnett County, Wisconsin with a maximum depth of 66 feet. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 2 public boat landings. Compared to the 29 other monitored lakes in Burnett County, Mud Hen Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-08-31. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Good clarity, visible to about 11 ft. Phosphorus level: 15.8 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | Not graded |
| Phosphorus | 15.8 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Mud Hen Lake
Compare lakeside cabins, hotels, and vacation rentals near Mud Hen Lake in Burnett County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Mud Hen Lake
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Blue-Green Algae (Cyanobacteria)
There’s no recent EPA CyAN cyanobacteria estimate for Mud Hen Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was moderate (48,753 cells/mL) on May 9, 2026.
Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 66 ft |
| Surface Area | 569 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Dunham LakePublic
- Mud Hen LakePublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Mud Hen Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1987. 2 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Water Quality Trend: ↓ Declining
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.625 m/yr | 5 |
| Phosphorus | ↓ Declining | +0.63 µg/L/yr | 4 |
County Ranking
Ranked #8 of 30 lakes in Burnett County
Nearby Lakes in Burnett County
Frequently asked questions about Mud Hen Lake
What is the water quality grade for Mud Hen Lake?
- Mud Hen Lake in Burnett County, Wisconsin has a water quality grade of B (Good). Water clarity: 11 ft visibility. Phosphorus: 15.8 µg/L. Maximum depth: 66 ft. Surface area: 569 acres.
Is Mud Hen Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Mud Hen Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is Mud Hen Lake?
- Mud Hen Lake has a maximum depth of 66 feet. The lake covers 569 acres.
What fish are in Mud Hen Lake?
- Fish species found in Mud Hen Lake include Panfish, Largemouth Bass, Northern Pike. Mud Hen Lake is located in Burnett County, Wisconsin.
Does Mud Hen Lake have blue-green algae?
- There is no recent EPA CyAN cyanobacteria estimate for Mud Hen Lake (clouds, ice, or an off-season gap). The most recent reading was moderate (48,753 cells/mL). Blue-green algae can appear and clear within days, so check Wisconsin's current advisory before swimming.
Are there boat ramps on Mud Hen Lake?
- Mud Hen Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Dunham Lake, Mud Hen Lake. Public access is listed as yes.
Explore Mud Hen Lake across LakeGrade
Depth, room, public access, and the state wake-sport rules
Fish species and top-graded lakes across Wisconsin
Fish species and best lakes in Burnett County
Species activity outlook by water temperature and season
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Lakes in the St. Croix Watershed, ranked by water quality
Moderate nutrients, good water quality
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Where this data comes from
78 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX78 samples · 2020–2025
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory