Brown Lake
Aitkin County, Minnesota, near Libby. DNR lake ID 01007800.
Brown Lake is a 68.2-acre lake in Aitkin County, Minnesota, near Libby. Its deepest point reaches 28 ft, and about 91% of the lake is shallower than 15 feet. Summer water clarity averages 6.4 feet in Minnesota Pollution Control Agency monitoring, which places it in the eutrophic nutrient class. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Brown 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.
Tell us about your dream home on Brown LakeWhat’s my Brown Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 01007800 |
|---|---|
| County | Aitkin County, near Libby |
| Surface area | 68.2 acres |
| Maximum depth | 28 ft |
| Share under 15 ft | 91% |
| Water clarity (summer) | 6.4 ft through 2021 |
| Nutrient class | Eutrophic |
| 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 2021: clarity 6.4 ft. Using the Carlson trophic state index, Brown Lake rates as eutrophic.
Fishing on Brown Lake
The most recent DNR standard fish survey was in 2003 (23 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 |
|---|---|---|---|
| Northern pike | gill | 3.0 | 2.5 to 7.8 |
| Northern pike | trap | 1.17 | n/a |
| Yellow perch | gill | 0.5 | 1.5 to 20.5 |
| Yellow perch | trap | 0.33 | 0.5 to 3.3 |
| Black crappie | gill | 3.0 | 1.0 to 9.1 |
| Black crappie | trap | 1.0 | 1.1 to 10.6 |
| Bluegill | gill | 18.0 | n/a |
| Bluegill | trap | 58.0 | 4.3 to 32.8 |
| Largemouth bass | gill | 1.0 | 0.5 to 2.1 |
| Largemouth bass | trap | 3.0 | 0.5 to 1.4 |
| Pumpkinseed | trap | 1.33 | 1.3 to 9.8 |
| Hybrid sunfish | trap | 4.5 | n/a |
Largest fish measured in recent DNR samples: Largemouth bass 14.0 in (2003), Northern pike 23.0 in (2003).
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
- Big Sandy Lake 2.9 mi, Aitkin County
- Bass Lake 3.0 mi, Aitkin County
- Aitkin Lake 3.2 mi, Aitkin County
- Rat Lake 3.4 mi, Aitkin County
- Sandy River 3.4 mi, Aitkin County
- Flowage 4.9 mi, Aitkin County
- Anderson Lake 5.0 mi, Aitkin County
- Minnewawa Lake 5.3 mi, Aitkin County
Questions about Brown Lake
How deep is Brown Lake?
Brown Lake reaches a maximum depth of 28 ft according to Minnesota DNR records. About 91% of the lake is shallower than 15 feet.
How big is Brown Lake?
Brown Lake covers about 68.2 acres in Aitkin County, Minnesota.
How clear is Brown Lake?
Summer water clarity on Brown Lake averages 6.4 feet (Secchi depth) in MPCA monitoring through 2021. Its trophic state is eutrophic.
Does Brown Lake have zebra mussels or other invasive species?
Brown 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.
Are there lake homes for sale on Brown Lake?
Homes on Brown 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 Brown Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Brown Lake?
Small, quiet water suited to paddling and fishing, about 91% shallow shoreline under 15 feet, and summer clarity around 6.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Brown Lake?
No lake-specific regulation was found for Brown Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Brown Lake
Whether you’re buying, selling, or just curious, our team works Aitkin County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2003), 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.