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LakeQuality

Lake Tschida vs Sheep Creek Dam Lake

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

Lake Tschida has a higher water quality grade (C, Fair) than Sheep Creek Dam Lake (D, Poor). Both are in Grant County, Wisconsin.

Lake Tschida and Sheep Creek Dam Lake are both in North Dakota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. These two are within a letter of each other on the rubric — Lake Tschida (C) versus Sheep Creek Dam Lake (D). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

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.

C

Lake Tschida

Grant County, Wisconsin

Murky, only visible to about 6 ft.

D

Sheep Creek Dam Lake

Grant County, Wisconsin

Very murky, less than 2.7 ft of visibility.

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 TschidaSheep Creek Dam Lake
Overall GradeC (Fair)D (Poor)
Water Clarity6 ft2.7 ft
Phosphorus23.5 µg/LNo data
Chlorophyll-a (Algae)12 µg/L15 µg/L
Maximum Depth--
Surface Area11.0K acres87 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

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

Verdict

Lake Tschida wins on overall water quality with a Grade C versus Sheep Creek Dam Lake's Grade D. Water clarity: 6 ft vs 2.7 ft. For fishing diversity, Lake Tschida also leads with 0 species.