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LakeQuality

Lake Shayne-Terre du Lac Lakes vs Timberline Lakes

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

Lake Shayne-Terre du Lac Lakes and Timberline Lakes both received the same overall water quality grade of A (Excellent). Both are in Wisconsin.

Both Lake Shayne-Terre du Lac Lakes and Timberline Lakes sit in Missouri. 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 close: Lake Shayne-Terre du Lac Lakes (A) and Timberline Lakes (A) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.

With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

A

Lake Shayne-Terre du Lac Lakes

Washington County, Wisconsin

Good clarity, visible to about 11.1 ft.

A

Timberline Lakes

St. Francois County, Wisconsin

Good clarity, visible to about 14.3 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.

MetricLake Shayne-Terre du Lac LakesTimberline Lakes
Overall GradeA (Excellent)A (Excellent)
Water Clarity11.1 ft14.3 ft
Phosphorus5 µg/L5.5 µg/L
Chlorophyll-a (Algae)1.2 µg/L1.6 µg/L
Maximum Depth--
Surface Area51 acres42 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateoligotrophicoligotrophic

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

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Lake Shayne-Terre du Lac Lakes: 11.1 ft, Timberline Lakes: 14.3 ft) and what you want from the lake. Lake Shayne-Terre du Lac Lakes matches its peer on species count.