Man Lake
Cass County, Minnesota, near Hackensack. DNR lake ID 11028200.
Man Lake is a 491.1-acre lake in Cass County, Minnesota, near Hackensack. Its deepest point reaches 93 ft, and about 9% of the lake is shallower than 15 feet. Summer water clarity averages 11.4 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. It is not on the DNR infested waters list as of September 2026. DNR surveys document walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, black crappie.
Buying or selling on Man Lake? Ask us what lakeshore here actually sells for, which stretches of shoreline buyers compete for, and what’s coming up before it’s listed.
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Quick facts
| DNR lake ID | 11028200 |
|---|---|
| County | Cass County, near Hackensack |
| Surface area | 491.1 acres |
| Maximum depth | 93 ft |
| Share under 15 ft | 9% |
| Water clarity (summer) | 11.4 ft through 2025 |
| Phosphorus (summer) | 12.7 µg/L |
| Algae, chlorophyll-a (summer) | 2.8 µg/L |
| Nutrient class | Mesotrophic |
| Clarity trend | Steady (2016 to 2025) |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 0 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 11.4 ft, phosphorus 12.7 µg/L, algae (chlorophyll-a) 2.8 µg/L. Using the Carlson trophic state index, Man Lake rates as mesotrophic. Summer clarity trend 2016 to 2025: steady.
Fishing on Man Lake
The most recent DNR standard fish survey was in 2022 (4 years ago). Catch per net is compared with the DNR’s typical range for lakes of the same type.
| Species | Net | Catch per net | Typical range |
|---|---|---|---|
| Walleye | trap | 0.11 | 0.2 to 0.7 |
| Bluegill | trap | 26.22 | 7.7 to 43.4 |
| Largemouth bass | trap | 0.56 | 0.4 to 1.5 |
| Pumpkinseed | trap | 1.89 | 1.4 to 5.9 |
| Rock bass | trap | 4.0 | 0.8 to 3.7 |
Largest fish measured in recent DNR samples: Muskellunge 38.0 in (2019), Northern pike 35.0 in (2019), Largemouth bass 7.0 in (2022), Walleye 26.0 in (2022), Smallmouth bass 20.0 in (2019).
Game and panfish documented since 2005: Walleye, Northern pike, Muskellunge, Largemouth bass, Smallmouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Tullibee (cisco), White sucker, Yellow bullhead.
Fishing regulations
No lake-specific regulation found in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Regulations change. Confirm with the DNR before fishing.
Invasive species
Not on the Minnesota DNR infested waters list as of September 2026. That means no confirmed listing, not a guarantee the lake is free of invasive species.
Public boat access
No public water access on DNR record.
Nearby lakes
- Barnum Lake 0.9 mi, Cass County
- McKeown Lake 1.0 mi, Cass County
- Baby Lake 1.2 mi, Cass County
- Moccasin Lake 1.7 mi, Cass County
- Primer Lake 1.7 mi, Cass County
- Child Lake 1.8 mi, Cass County
- Little Woman Lake 2.0 mi, Cass County
- Kid Lake 2.3 mi, Cass County
Questions about Man Lake
How deep is Man Lake?
Man Lake reaches a maximum depth of 93 ft according to Minnesota DNR records. About 9% of the lake is shallower than 15 feet.
How big is Man Lake?
Man Lake covers about 491.1 acres in Cass County, Minnesota.
How clear is Man Lake?
Summer water clarity on Man Lake averages 11.4 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is mesotrophic.
Does Man Lake have zebra mussels or other invasive species?
Man Lake is not on the Minnesota DNR infested waters list as of September 2026. That means there is no confirmed listing; it is not a guarantee the lake is free of invasive species.
What fish are in Man Lake?
Minnesota DNR surveys document walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish in Man Lake. The most recent standard survey was in 2022.
How is the walleye population on Man Lake?
In Minnesota DNR net surveys from 1993 to 2019, walleye numbers on Man Lake ran mostly above the typical range for similar lakes. Nets measure how many fish a lake holds, not where they’re biting, so local guides are the best source for current fishing.
Are there lake homes for sale on Man Lake?
Homes on Man Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on Man Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Man Lake?
A mid-size lake with room for boating and fishing, about 9% shallow shoreline under 15 feet, and summer clarity around 11.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Man Lake?
No lake-specific regulation was found for Man Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Man Lake
Whether you’re buying, selling, or just curious, our team works Cass County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2022), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.