Siseebakwet Lake

Siseebakwet Lake earns an A — water clarity, phosphorus, and chlorophyll-a all rate among the best monitored waters in Itasca County. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

A TSI value of 31 puts Siseebakwet Lake in the oligotrophic range, where biological productivity stays low and the water column remains clear. Siseebakwet Lake is unusually deep for Minnesota at 105 ft, which buffers the lake against summer warming and helps the deep water stay oxygenated. With 1,210 acres of surface and 5.8 miles of shoreline, Siseebakwet Lake is a large water by Minnesota standards — recreational pressure is spread across a long shoreline. Within Itasca County's 141 graded waters, Siseebakwet Lake sits at rank 25, near the top of the local distribution.

No invasive species are currently listed at Siseebakwet Lake — the lake remains off the Minnesota infested-waters roster. The fishery includes walleye alongside the lake's other 11 documented species — a notable draw for Minnesota anglers. Public access is available — the lake is on the Minnesota PCA public-access list. Ice-out has been logged at Siseebakwet Lake more than two dozen times, putting the median around Apr 23 — a useful baseline for tracking climate trends. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.