Big Jack Lake
Itasca County, Minnesota, near Alder. DNR lake ID 31062700.
Big Jack Lake is a 25.5-acre lake in Itasca County, Minnesota, near Alder. Its deepest point reaches 46 ft. Summer water clarity averages 10.0 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Big Jack 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 Big Jack LakeWhat’s my Big Jack Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 31062700 |
|---|---|
| County | Itasca County, near Alder |
| Surface area | 25.5 acres |
| Maximum depth | 46 ft |
| Share under 15 ft | Not surveyed |
| Water clarity (summer) | 10.0 ft through 2025 (satellite estimate) |
| 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 10.0 ft.
Fishing on Big Jack Lake
The most recent DNR standard fish survey was in 1987 (39 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 |
|---|---|---|---|
| Bluegill | gill | 0.33 | n/a |
| Bluegill | trap | 90.75 | n/a |
| Largemouth bass | trap | 0.25 | n/a |
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
- Duck Lake 0.8 mi, Itasca County
- East Smith Lake 1.0 mi, Itasca County
- Baldy Lake 1.0 mi, Itasca County
- Dock Lake 1.3 mi, Itasca County
- Caribou Lake 1.5 mi, Itasca County
- Smith Lake 1.6 mi, Itasca County
- McKewen Lake 2.0 mi, Itasca County
- Shelly Lake 2.0 mi, Itasca County
Questions about Big Jack Lake
How deep is Big Jack Lake?
Big Jack Lake reaches a maximum depth of 46 ft according to Minnesota DNR records.
How big is Big Jack Lake?
Big Jack Lake covers about 25.5 acres in Itasca County, Minnesota.
How clear is Big Jack Lake?
Summer water clarity on Big Jack Lake averages 10.0 feet (Secchi depth) in MPCA monitoring through 2025.
Does Big Jack Lake have zebra mussels or other invasive species?
Big Jack 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 Big Jack Lake?
Homes on Big Jack 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 Big Jack Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Big Jack Lake?
Small, quiet water suited to paddling and fishing, and summer clarity around 10.0 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Big Jack Lake?
No lake-specific regulation was found for Big Jack Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Big Jack Lake
Whether you’re buying, selling, or just curious, our team works Itasca County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 1987), 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.