Annabelle Lake
Annabelle Lake in Vilas County, Wisconsin has a water quality grade of B (Good). Water clarity: 8 ft visibility. Phosphorus: 15.4 µg/L. Maximum depth: 30 ft. Surface area: 194 acres.
Wisconsin DNR lists Musky as common on Annabelle Lake. DNR survey details →
- Clarity
- 8 ft
- Max depth
- 30 ft
- Area
- 194 acres
- Type
- Mesotrophic
- Trend
- ↓ Declining
- Public access
- Yes
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Annabelle Lake is a 194-acre mesotrophic lake in Vilas County, Wisconsin with a maximum depth of 30 feet. Water quality is graded B based on 1 sampling years through 2026. Overall water quality is declining over recent sampling years. The lake supports 5 documented fish species including Musky, Panfish, and Smallmouth Bass. Public access is available with 1 public boat landing. Compared to the 102 other monitored lakes in Vilas County, Annabelle Lake ranks #34 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-04-26. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLow algae
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)
Moderate clarity, visible to about 8 ft. Phosphorus level: 15.4 µg/L. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 ft | Not graded |
| Phosphorus | 15.4 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Annabelle Lake
Compare lakeside cabins, hotels, and vacation rentals near Annabelle Lake in Vilas 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.
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Wisconsin DNR lists Musky as common on Annabelle Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Annabelle Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1996. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 30 ft |
| Surface Area | 194 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Annabelle LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Annabelle 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.
Water Quality Trend: ↓ Declining
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -1.299 m/yr | 6 |
| Phosphorus | → Stable | -0.13 µg/L/yr | 6 |
EPA Impairment Status
Annabelle 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 WI10007528 · Official waterbody report
County Ranking
Ranked #34 of 103 lakes in Vilas County
Nearby Lakes in Vilas County
Frequently asked questions about Annabelle Lake
Where is Annabelle Lake?
- Annabelle Lake is a lake in Vilas County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Annabelle Lake?
- Annabelle Lake in Vilas County, Wisconsin has a water quality grade of B (Good). Water clarity: 8 ft visibility. Phosphorus: 15.4 µg/L. Maximum depth: 30 ft. Surface area: 194 acres.
Is Annabelle Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Annabelle Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is Annabelle Lake?
- Annabelle Lake has a maximum depth of 30 feet. The lake covers 194 acres.
What fish are in Annabelle Lake?
- Fish species found in Annabelle Lake include Musky, Panfish, Smallmouth Bass, Northern Pike, Walleye. Annabelle Lake is located in Vilas County, Wisconsin.
What did the DNR fisheries survey find at Annabelle Lake?
- Wisconsin DNR lists Musky as common on Annabelle Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Annabelle Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Annabelle Lake?
- Annabelle Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Annabelle Lake. Public access is listed as yes.
Explore Annabelle Lake across LakeQuality
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Where this data comes from
45 measurements from 2 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX45 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (2)
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
Impairment status from EPA ATTAINS 303(d) database
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