Inguadona Lake
Cass County, Minnesota - DNR stocking history, depth and survey data
Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 11012000
DNR records show 7 stocking entries at Inguadona Lake since 2016, most recently walleye yearlings in 2025 (6,030 fish).
- Inguadona Lake has 7 DNR stocking records across 6 years (2016-2025): walleye (7).
- The most-stocked species by count is walleye: 91,951 fish on record.
- Maximum depth 79 ft, mean depth 20 ft; surface area 1,133 acres, 565 littoral acres, 11.0 miles of shoreline, per the DNR lake survey.
- Average water clarity (Secchi depth) 10.2 ft.
- Fish species DNR lists here: black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, greater redhorse, green sunfish, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, and 8 more.
- 1 public access on the DNR list.
- Most recent DNR fish survey: (targeted survey).
- Cass County, nearest town Longville; DNR lake number (DOW) 11012000.
Stocking history
| Year | Species | Size | Number | Pounds |
|---|---|---|---|---|
| 2025 | Walleye2 | yearlings | 6,030 | 301.5 |
| 2024 | Walleye2 | yearlings | 3,785 | 754.0 |
| 2024 | Walleye2 | fingerlings | 216 | 36.0 |
| 2022 | Walleye2 | fingerlings | 18,727 | 1,130.0 |
| 2021 | Walleye2 | fingerlings | 17,290 | 996.5 |
| 2018 | Walleye2 | fingerlings | 19,229 | 1,129.4 |
| 2016 | Walleye2 | fingerlings | 26,674 | 1,128.8 |
2 fish purchased by the DNR for stocking.
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 |
|---|---|---|
| concrete ramp | Minnesota DNR | Public access on southeast shore of south basin |
DNR fish survey, 2025
Temperature and dissolved oxygen measurements were collected from the deepest basin in Inguadona Lake, which is located partially within the Leech Lake Reservation, on July 31st, 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 collected to 23.0 feet, the deepest point with measurable oxygen (maximum lake depth 79.0 feet), water temperature dropped below 21.2 degrees C (70.2 degrees F) at 17.9 feet, and dissolved oxygen declined to 3.0 mg/L at 19.1 feet. The thickness of this layer of water in the water column was 1.2 feet, indicating that oxythermal habitat was present but marginal 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 20.4 degrees C (68.7 degrees F). TDO3 values cooler than 21.2 degrees C (70.2 degrees F) indicate that oxythermal conditions were marginal for Cisco at the time of the survey as the layer was confined to less than 3 feet of suitable habitat 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 August 24th) in six years, between 2007-2024, indicate a range of oxythermal habitat in most years when surveyed. The least favorable conditions were recorded in 2024 with no suitable oxythermal habitat layer present whereas the most favorable conditions were recorded in 2009 with 16.0 feet of suitable 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, .
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Stocking rows, depths, accesses and survey figures are Minnesota DNR LakeFinder data as of 2026-09-02. Regulations, slot limits and special rules are on the DNR page linked above, not here.
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