Blue Lake
Aitkin County, Minnesota, near Aitkin. DNR lake ID 01018100.
Blue Lake is a 53.5-acre lake in Aitkin County, Minnesota, near Aitkin. Its deepest point reaches 106 ft, and about 26% of the lake is shallower than 15 feet. Summer water clarity averages 13.3 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 northern pike, largemouth bass, bluegill, yellow perch.
Buying or selling on Blue 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 | 01018100 |
|---|---|
| County | Aitkin County, near Aitkin |
| Surface area | 53.5 acres |
| Maximum depth | 106 ft |
| Mean depth | 30.0 ft |
| Share under 15 ft | 26% |
| Water clarity (summer) | 13.3 ft through 2017 |
| Phosphorus (summer) | 23.8 µg/L |
| Algae, chlorophyll-a (summer) | 3.2 µg/L |
| Nutrient class | Mesotrophic |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2017: clarity 13.3 ft, phosphorus 23.8 µg/L, algae (chlorophyll-a) 3.2 µg/L. Using the Carlson trophic state index, Blue Lake rates as mesotrophic.
Fishing on Blue Lake
The most recent DNR standard fish survey was in 2019 (7 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 | 1.0 | 2.0 to 8.0 |
| Northern pike | trap | 0.45 | n/a |
| Yellow perch | gill | 3.0 | 1.5 to 18.5 |
| Yellow perch | trap | 0.05 | 0.3 to 0.8 |
| Bluegill | gill | 1.0 | n/a |
| Bluegill | trap | 0.45 | 7.9 to 37.7 |
| Largemouth bass | gill | 1.5 | 0.5 to 1.7 |
| Largemouth bass | trap | 0.3 | 0.5 to 2.0 |
| Pumpkinseed | gill | 1.0 | n/a |
| Pumpkinseed | trap | 0.05 | 1.1 to 4.7 |
| Hybrid sunfish | trap | 0.4 | n/a |
Largest fish measured in recent DNR samples: Northern pike 37.0 in (2019), Largemouth bass 13.0 in (2019).
Game and panfish documented since 2005: Northern pike, Largemouth bass, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rainbow trout, Brook trout, 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
- Blue Lake: carry-in or shore access. 3 mi W of Aitkin, from Hwy 210 go S on Co Rd 28/Pioneer Ave, E on 339th Ln, S on 433 Pl, NE on 335th Ln to the end of the road. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Three Lake 0.6 mi, Aitkin County
- Four Lake 0.8 mi, Aitkin County
- Pickerel Lake 1.3 mi, Aitkin County
- Dogfish Lake 1.3 mi, Aitkin County
- Hammal Lake 1.3 mi, Aitkin County
- Pine Island Lake 1.4 mi, Aitkin County
- Bass Lake 1.5 mi, Aitkin County
- Carlson Lake 1.5 mi, Aitkin County
Questions about Blue Lake
How deep is Blue Lake?
Blue Lake reaches a maximum depth of 106 ft according to Minnesota DNR records. About 26% of the lake is shallower than 15 feet.
How big is Blue Lake?
Blue Lake covers about 53.5 acres in Aitkin County, Minnesota.
How clear is Blue Lake?
Summer water clarity on Blue Lake averages 13.3 feet (Secchi depth) in MPCA monitoring through 2017. Its trophic state is mesotrophic.
Does Blue Lake have zebra mussels or other invasive species?
Blue 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 Blue Lake?
Minnesota DNR surveys document northern pike, largemouth bass, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rainbow trout, brook trout, yellow bullhead in Blue Lake. The most recent standard survey was in 2019.
Where is the public boat access on Blue Lake?
Blue Lake has 1 public water access site on DNR record: Blue Lake.
Are there lake homes for sale on Blue Lake?
Homes on Blue 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 Blue Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Blue Lake?
Small, quiet water suited to paddling and fishing, about 26% shallow shoreline under 15 feet, and summer clarity around 13.3 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Blue Lake?
No lake-specific regulation was found for Blue Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Blue 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 2019), 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.