Acorn Lake
Becker County, Minnesota, near Frazee. DNR lake ID 03025800.
Acorn Lake is a 153.7-acre lake in Becker County, Minnesota, near Frazee. Its deepest point reaches 55 ft, and about 33% of the lake is shallower than 15 feet. Summer water clarity averages 12.0 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. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
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Quick facts
| DNR lake ID | 03025800 |
|---|---|
| County | Becker County, near Frazee |
| Surface area | 153.7 acres |
| Maximum depth | 55 ft |
| Mean depth | 19.8 ft |
| Share under 15 ft | 33% |
| Water clarity (summer) | 12.0 ft through 2017 |
| Phosphorus (summer) | 175.4 µg/L |
| Algae, chlorophyll-a (summer) | 8.6 µg/L |
| Nutrient class | Eutrophic |
| 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 12.0 ft, phosphorus 175.4 µg/L, algae (chlorophyll-a) 8.6 µg/L. Using the Carlson trophic state index, Acorn Lake rates as eutrophic.
Fishing on Acorn Lake
The most recent DNR standard fish survey was in 2018 (8 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 | gill | 4.0 | 0.5 to 3.3 |
| Walleye | trap | 0.44 | 0.2 to 0.8 |
| Northern pike | gill | 7.83 | 2.8 to 8.7 |
| Northern pike | trap | 0.89 | n/a |
| Yellow perch | gill | 206.17 | 1.5 to 23.0 |
| Yellow perch | trap | 3.44 | 0.5 to 3.8 |
| Black crappie | trap | 0.56 | 0.5 to 3.3 |
| Bluegill | gill | 3.67 | n/a |
| Bluegill | trap | 29.22 | 5.7 to 40.5 |
| Largemouth bass | gill | 0.83 | 0.3 to 1.5 |
| Largemouth bass | trap | 0.44 | 0.3 to 1.6 |
| Pumpkinseed | trap | 2.0 | 1.3 to 6.3 |
| Hybrid sunfish | gill | 0.33 | n/a |
| Hybrid sunfish | trap | 6.78 | n/a |
Walleye catch was above the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Largemouth bass 18.0 in (2018), Walleye 25.0 in (2018), Northern pike 27.0 in (2018).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Bowfin, Common carp, White sucker, Yellow bullhead, Brown bullhead, Black 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
- Acorn Lake: 1 concrete slab launch ramp, 1 dock, 7 trailer spaces. 1.9 mi W of Frazee on Cnty Rd 10, then N 50 meters on Twp Rd, then W .6 mi on Twp Rd to SE shore. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Eagle Lake 1.3 mi, Becker County
- Town Lake 1.9 mi, Becker County
- Senical Lake 2.4 mi, Becker County
- Graham Lake 2.8 mi, Otter Tail County
- Six Lake 2.8 mi, Otter Tail County
- Five Lake 2.8 mi, Otter Tail County
- Abbey Lake 3.5 mi, Becker County
- Wimer Lake 3.7 mi, Otter Tail County
Questions about Acorn Lake
How deep is Acorn Lake?
Acorn Lake reaches a maximum depth of 55 ft according to Minnesota DNR records. About 33% of the lake is shallower than 15 feet.
How big is Acorn Lake?
Acorn Lake covers about 153.7 acres in Becker County, Minnesota.
How clear is Acorn Lake?
Summer water clarity on Acorn Lake averages 12.0 feet (Secchi depth) in MPCA monitoring through 2017. Its trophic state is eutrophic.
Does Acorn Lake have zebra mussels or other invasive species?
Acorn 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 Acorn Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, bowfin, common carp in Acorn Lake. The most recent standard survey was in 2018.
Where is the public boat access on Acorn Lake?
Acorn Lake has 1 public water access site on DNR record: Acorn Lake.
How is the walleye population on Acorn Lake?
In Minnesota DNR net surveys from 1993 to 2018, walleye numbers on Acorn 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 Acorn Lake?
Homes on Acorn 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 Acorn Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Acorn Lake?
Small, quiet water suited to paddling and fishing, about 33% shallow shoreline under 15 feet, and summer clarity around 12.0 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Acorn Lake?
No lake-specific regulation was found for Acorn Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Acorn Lake
Whether you’re buying, selling, or just curious, our team works Becker County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2018), 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.