Skip to main content
LakeQuality

Long Lake reads lower on nutrients and algae than Lake Wissota. Both are in Chippewa County, Wisconsin.

Reviewed by LakeQuality Editorial Team · Updated

Lake Wissota and Long Lake are both in Wisconsin — 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. The readings are meaningfully apart: Long Lake carries clearly lower phosphorus and chlorophyll-a readings than Lake Wissota. A spread that wide reflects real underlying differences, in watershed inputs, depth profiles, or monitoring rigor.

For a recreational visitor, the wider gap in the readings is decisive: Long Lake has the lower nutrient and algae numbers. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

Lake Wissota

Chippewa County, Wisconsin

Murky, only visible to about 3.5 ft.

Long Lake

Chippewa County, Wisconsin

Good clarity, visible to about 13.1 ft.

Side-by-Side Metrics

MetricLake WissotaLong Lake
Water Clarity3.5 ft13.1 ft Better
Phosphorus76.4 µg/L12.4 µg/L Better
Chlorophyll-a (Algae)No dataNo data
Maximum Depth64.4 ft101 ft Better
Surface Area6,148 acres936 acres
Public AccessYesYes
Fish Species8 Better6
Trophic Stateeutrophicmesotrophic

A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.

Swap a lake

Compare Lake Wissota or Long Lake against a different lake.

Verdict

Long Lake reads lower on nutrients and algae than Lake Wissota. Water clarity: 13.1 ft vs 3.5 ft. For more fish-species variety, Lake Wissota edges ahead with 8 documented species.

Source: EPA National Aquatic Resource Surveys, 2026.