Little Bass Lake (Itasca County, DOW 31057500)
Itasca County, Minnesota - DNR stocking history, depth and survey data
Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 31057500
Little Bass Lake (Itasca County, DOW 31057500) has no DNR stocking rows in LakeFinder; this page carries its DNR depth, access and survey data.
- Little Bass Lake (Itasca County, DOW 31057500) shows no stocking records in Minnesota DNR LakeFinder as of .
- Maximum depth 62 ft; surface area 160 acres, 55 littoral acres, 2.4 miles of shoreline, per the DNR lake survey.
- Average water clarity (Secchi depth) 15.3 ft.
- Fish species DNR lists here: black crappie, bluegill, brown bullhead, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, tullibee (cisco), walleye, white sucker, yellow bullhead, and 1 more.
- 1 public access on the DNR list.
- Most recent DNR fish survey: (targeted survey).
- Itasca County, nearest town Cohasset; DNR lake number (DOW) 31057500.
Depth map
Bathymetric contours from the Minnesota DNR lake survey mapped 11/30/2001 (gps); depths in feet. Simplified for the web; not for navigation.
Public accesses
| Type | Owner | Where |
|---|---|---|
| gravel ramp | Minnesota DNR | Access located on east shore of lake 3/4 of a mile south of County Road 263. |
DNR fish survey, 2025
Temperature and dissolved oxygen (DO) measurements were collected from the deepest basin in Little Bass Lake on August 6th, 2025, to evaluate the quantity and quality of cold, oxygenated water (i.e., oxythermal habitat) available to Cisco, also known as Tullibee, the most sensitive coldwater species present in this lake. During the summer, Cisco require a layer of oxythermal habitat that contains water temperatures below 21.2 degrees C (70.2 degrees F) and dissolved oxygen concentrations above 3.0 mg/L. Based on the profile from the deepest basin (maximum sampled depth 59.0 feet), the water temperature decreased below 21.2 degrees C (70.2 degrees F) at 15.9 feet and the dissolved oxygen concentration decreased to 3.0 mg/L at 23.5 feet at the time of sampling. The thickness of this layer of water in the water column was 7.6 feet, indicating that oxythermal habitat was present for Cisco. Further, the temperature at which dissolved oxygen decreased to 3.0 mg/L (i.e., TDO3, a single variable to characterize oxythermal habitat) was 12.6 degrees C (54.7 degrees F). TDO3 values cooler than 21.2 degrees C (70.2 degrees F) indicate that oxythermal conditions were suitable for Cisco at the time of the survey. Data collected by the Minnesota Department of Natural Resources during the late summer period of maximum oxythermal stress (July 26th to Aug 24th) in 2023 also indicates suitable oxythermal habitat, with a oxythermal habitat layer of 10.7 feet thick. When inadequate oxythermal habitat is available, Cisco are squeezed into unfavorable, warmer water conditions and experience higher levels of stress.
Minnesota DNR survey narrative, .
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