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LakeQuality

Sand Lake vs Wood Lake

Water quality, depth, fish species, and recreation comparison.

Sand Lake has a higher water quality grade (A, Excellent) than Wood Lake (C, Fair). Both are in Burnett County, Wisconsin.

Both Sand Lake and Wood Lake sit in Wisconsin. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are meaningfully apart: Sand Lake grades a A while Wood Lake grades a C. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.

For a recreational visitor, the wider grade gap is decisive — Sand Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

A

Sand Lake

Burnett County, Wisconsin

Crystal clear, you can see 18.3 ft down.

C

Wood Lake

Burnett County, Wisconsin

Murky, only visible to about 5.5 ft.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricSand LakeWood Lake
Overall GradeA (Excellent)C (Fair)
Water Clarity18.3 ft5.5 ft
Phosphorus9.9 µg/L22.6 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth73 ft35 ft
Surface Area900 acres521 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateoligotrophiceutrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Sand Lake wins on overall water quality with a Grade A versus Wood Lake's Grade C. Water clarity: 18.3 ft vs 5.5 ft. For fishing diversity, Sand Lake also leads with 0 species.