Marquette Lake

Beltrami County, Minnesota - DNR stocking history, depth and survey data

Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 04014200

Marquette Lake has no DNR stocking rows in LakeFinder; this page carries its DNR depth, access and survey data.

• Marquette Lake shows no stocking records in Minnesota DNR LakeFinder as of September 2, 2026.
• Maximum depth 51 ft; surface area 528 acres, 285 littoral acres, 5.5 miles of shoreline, per the DNR lake survey.
• Average water clarity (Secchi depth) 6.9 ft.
• Fish species DNR lists here: black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, redhorse, rock bass, and 6 more.
• Most recent DNR fish survey: August 5, 2025 (targeted survey).
• Beltrami County, nearest town Bemidji; DNR lake number (DOW) 04014200.

Depth map

Bathymetric contours from the Minnesota DNR lake survey; depths in feet. Simplified for the web; not for navigation.

DNR fish survey, 2025

Temperature and dissolved oxygen (DO) measurements were collected from the deepest basin in Marquette Lake on August 5th, 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 49.2 feet), the water temperature decreased below 21.2 degrees C (70.2 degrees F) at 19.2 feet and the dissolved oxygen concentration decreased to 3.0 mg/L at 19.1 feet at the time of sampling. Therefore, the water column did not contain a layer of water with sufficient temperature and dissolved oxygen 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 21.3 degrees C (70.3 degrees F). TDO3 values warmer than 21.2 degrees C (70.2 degrees F) indicate that oxythermal conditions were unsuitable 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 indicated marginal oxythermal habitat with a layer of 2.0 feet. Subsequently, the 2024 survey indicated unsuitable oxythermal habitat with no layer of habitat present. When inadequate oxythermal habitat is available, Cisco are squeezed into unfavorable, warmer water conditions and experience higher levels of stress.

Minnesota DNR survey narrative, August 5, 2025.

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