McCollum Lake, Oscoda County, MI: Depth Map, Fishing & Water Quality

Today on the lake

Updated 9 Oct 2026, 3:06 am EDT. Get alerts for McCollum Lake

WEATHEROvernight: partly cloudy, 36°F, wind SW 5 mph. Friday: sunny, 64°F, wind W 5 mph.

WARNINGSNo weather or fire warnings in effect.

FIRENo wildfires or prescribed burns reported within 25 miles.

BURNINGCampfires and debris burning: check today's status with Michigan DNR.

ALGAEToo small for satellite monitoring (under 1 km²). No bloom reports on record with Michigan DHHS.

LAUNCHESMcCollum Lake SFCG: listed open. Michigan DNR record updated 3 Apr 2026.

National Weather Service; National Interagency Fire Center; U.S. EPA CyAN satellite; Michigan DHHS; Michigan DNR. Weather, warnings, fires and satellite refresh when you open the page (checked at most hourly).

Depth map

16 contours, 2 to 60 ft

0251013141517202230404550525560feet

Michigan DNR survey, fetched 7 Oct 2026. Not for navigation.

Size and depth

219 acres · deepest 60 ft (measured) · shoreline about 3.9 mi · clarity about 12 ft

McCollum Lake is the 3rd largest of the 43 named lakes of 10 acres or more in Oscoda County. By Michigan DNR survey it is the 2nd deepest of the 18 with a measured depth. Its water is clearer than 17 of the other 29 lakes in the county with satellite clarity readings. Its shoreline measures about 3.9 miles along the state outline. About 34% of its area is deeper than 20 ft.

Ranks against Oscoda County lakes in Michigan hydrography, Michigan DNR lake surveys and Michigan EGLE satellite clarity; shoreline measured from the state outline. How we measure

Getting on the water

1 public access site on McCollum Lake.

McCollum Lake SFCG · Harrisville State Park · Open

1 ramp lane · 15 trailer spaces · 2 car spaces · vault toilet

Local boating rules, Oscoda County

Michigan DNR boating access, fetched 7 Oct 2026.

Fishing

Michigan DNR has stocked McCollum Lake 12 times since 1980. The most recent stocking was 20,062 walleye on 7 June 2023. Species stocked: northern pike, walleye.

12 stockings, 1980 to 2023, log scale

Latest: 7 Jun 2023: 20,062 walleye.

7 Jun 2023STOCKED20,062 walleye

11 Jun 2018STOCKED35,000 walleye

15 Jun 2015STOCKED19,740 walleye

12 Jun 2012STOCKED17,590 walleye

20 Jun 1989STOCKED2,500 northern pike

18 Jun 1988STOCKED10,538 walleye

Source: Michigan DNR Fisheries, fetched 7 Oct 2026. How we measure

Where the deep water is

Show water deeper than

Measured from Michigan DNR contours. How we measure

Historically recorded species, from records through 1998: black crappie, blacknose shiner, bluegill, bluntnose minnow, common shiner, creek chub, fathead minnow, iowa darter, johnny darter, largemouth bass, white sucker, yellow perch. Historic records, not a current survey.

Michigan Fish Atlas.

Water quality

Average water clarity is about 12 ft (Secchi depth 3.6 m, satellite readings 2018–23).

Clarity 11.9 ft of 60 ft

Michigan EGLE satellite clarity, fetched 7 Oct 2026.

Nearby lakes with measured depth

Shamrock Lake10 ft deep · 2.6 mi · Oscoda County

Crooked Lake28 ft deep · 2.6 mi · Alcona County

Saddleback Lake (NE)8 ft deep · 6.3 mi · Oscoda County

Saddleback Lake (SW)14 ft deep · 6.4 mi · Oscoda County

Bass Lake20 ft deep · 6.5 mi · Oscoda County

O'Brien Lake30 ft deep · 8.9 mi · Alcona County

Michigan DNR survey; straight-line miles.

Common questions

How deep is McCollum Lake?

McCollum Lake is 60 feet at its deepest point, measured by Michigan DNR survey. It covers 219 acres.

Is there a public boat launch on McCollum Lake?

Yes. 1 public access site is listed: McCollum Lake SFCG.

Is McCollum Lake stocked with fish?

Yes. Michigan DNR has stocked it 12 times since 1980, most recently 20,062 walleye on 7 June 2023.

How much of McCollum Lake is deeper than 10 feet?

About 51% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.