Bass Lake (Itasca County, DOW 31057600)
Itasca County, Minnesota - DNR stocking history, depth and survey data
Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 31057600
DNR records show 11 stocking entries at Bass Lake (Itasca County, DOW 31057600) since 2016, most recently walleye fingerlings in 2025 (1,567 fish).
- Bass Lake (Itasca County, DOW 31057600) has 11 DNR stocking records across 9 years (2016-2025): walleye (11).
- The most-stocked species by count is walleye: 8,523,567 fish on record.
- Maximum depth 76 ft; surface area 2,715 acres, 1,254 littoral acres, 24.4 miles of shoreline, per the DNR lake survey.
- Average water clarity (Secchi depth) 13.3 ft.
- Fish species DNR lists here: black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, burbot, green sunfish, hybrid sunfish, largemouth bass, northern pike, northern sunfish, pumpkinseed, and 7 more.
- 3 public accesses on the DNR list.
- Most recent DNR fish survey: (targeted survey).
- Itasca County, nearest town Cohasset; DNR lake number (DOW) 31057600.
Depth map
Bathymetric contours from the Minnesota DNR lake survey mapped 9/12/1958 (orig map); depths in feet. Simplified for the web; not for navigation.
Stocking history
| Year | Species | Size | Number | Pounds |
|---|---|---|---|---|
| 2025 | Walleye1 | fingerlings | 1,567 | 92.2 |
| 2025 | Walleye | fry | 1,000,000 | 9.4 |
| 2024 | Walleye | fry | 940,000 | 8.9 |
| 2023 | Walleye | fry | 940,000 | 9.4 |
| 2022 | Walleye | fry | 940,000 | 9.4 |
| 2021 | Walleye | fry | 940,000 | 9.4 |
| 2019 | Walleye | fry | 940,000 | 7.9 |
| 2019 | Walleye1 | fingerlings | 2,000 | 100.0 |
| 2018 | Walleye | fry | 940,000 | 9.4 |
| 2017 | Walleye | fry | 940,000 | 9.4 |
| 2016 | Walleye | fry | 940,000 | 9.4 |
1 fish purchased and stocked by private citizens and sporting groups.
Field note · Minnesota stocks by year, not by truck day: walleye fry go in within weeks of ice-out, fingerlings and yearlings mostly in fall, and stream trout in spring and fall. A row here means the fish went in during that year; DNR adds the year's rows after the fact, so the current year can look empty until winter.
Public accesses
| Type | Owner | Where |
|---|---|---|
| earthen ramp | county | 10 miles northwest of Grand Rapids off of C.R. 256 |
| concrete ramp | Minnesota DNR | On W shore in the SW bay that is W of sunset point in the S basin. |
| concrete ramp | Minnesota DNR | On west shore of south basin off Pincherry Rd. |
DNR fish survey, 2025
Temperature and dissolved oxygen (DO) measurements were collected from the deepest basin in 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, the water temperature decreased below 21.2 degrees C (70.2 degrees F) at 22.1 feet and the dissolved oxygen concentration decreased to 3.0 mg/L at 28.6 feet at the time of sampling. The thickness of this layer of water in the water column was 6.5 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 14.5 degrees C (58.1 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 and 2024 also indicate suitable oxythermal habitat. When inadequate oxythermal habitat is available, Cisco are squeezed into unfavorable, warmer water conditions and experience higher levels of stress.
Minnesota DNR survey narrative, .
All Minnesota stockings · every Minnesota lake with a page · state CSV · this lake on DNR LakeFinder
Stocking rows, depths, accesses and survey figures are Minnesota DNR LakeFinder data as of 2026-09-02; contours are the DNR bathymetric survey. Regulations, slot limits and special rules are on the DNR page linked above, not here.
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