Six Lake
Otter Tail County, Minnesota, near Frazee. DNR lake ID 56036900.
Six Lake is a 196.5-acre lake in Otter Tail County, Minnesota, near Frazee. Its deepest point reaches 140 ft, and about 33% of the lake is shallower than 15 feet. Summer water clarity averages 21.3 feet in Minnesota Pollution Control Agency monitoring, which places it in the oligotrophic nutrient class. The DNR lists it for zebra mussel. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
Buying or selling on Six 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 | 56036900 |
|---|---|
| County | Otter Tail County, near Frazee |
| Surface area | 196.5 acres |
| Maximum depth | 140 ft |
| Share under 15 ft | 33% |
| Water clarity (summer) | 21.3 ft through 2025 |
| Phosphorus (summer) | 8.2 µg/L |
| Algae, chlorophyll-a (summer) | 2.4 µg/L |
| Nutrient class | Oligotrophic |
| Clarity trend | Steady (2016 to 2025) |
| Invasive species | zebra mussel |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 21.3 ft, phosphorus 8.2 µg/L, algae (chlorophyll-a) 2.4 µg/L. Using the Carlson trophic state index, Six Lake rates as oligotrophic. Summer clarity trend 2016 to 2025: steady.
Fishing on Six 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 |
|---|---|---|---|
| Walleye | gill | 2.17 | 1.0 to 5.0 |
| Northern pike | gill | 7.5 | 2.2 to 8.7 |
| Yellow perch | gill | 0.5 | 1.5 to 13.8 |
| Black crappie | gill | 0.67 | 0.3 to 1.7 |
| Bluegill | gill | 11.83 | n/a |
| Largemouth bass | gill | 4.5 | 0.5 to 1.7 |
| Pumpkinseed | gill | 0.83 | n/a |
| Rock bass | gill | 0.17 | 0.7 to 4.4 |
| Hybrid sunfish | gill | 4.67 | n/a |
Walleye catch was within the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Walleye 23.0 in (2019), Northern pike 35.0 in (2019), Largemouth bass 15.0 in (2019).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, 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
On the Minnesota DNR infested waters list for: zebra mussel (listed 2025).
Public boat access
- Six Lake: 1 concrete slab launch ramp, 1 dock, 5 trailer spaces. 3 mi NE of Vergas on Cnty Rd 4, then 1.5 mi W on Twp Rd to S shore. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Five Lake 0.8 mi, Otter Tail County
- Scalp Lake 1.1 mi, Otter Tail County
- Eagle Lake 1.8 mi, Becker County
- Graham Lake 2.4 mi, Otter Tail County
- Rose Lake 2.7 mi, Otter Tail County
- Wimer Lake 2.8 mi, Otter Tail County
- Acorn Lake 2.8 mi, Becker County
- Town Lake 2.9 mi, Becker County
Questions about Six Lake
How deep is Six Lake?
Six Lake reaches a maximum depth of 140 ft according to Minnesota DNR records. About 33% of the lake is shallower than 15 feet.
How big is Six Lake?
Six Lake covers about 196.5 acres in Otter Tail County, Minnesota.
How clear is Six Lake?
Summer water clarity on Six Lake averages 21.3 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is oligotrophic.
Does Six Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Six Lake for zebra mussel.
What fish are in Six Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass, green sunfish in Six Lake. The most recent standard survey was in 2019.
Where is the public boat access on Six Lake?
Six Lake has 1 public water access site on DNR record: Six Lake.
How is the walleye population on Six Lake?
In Minnesota DNR net surveys from 1990 to 2019, walleye numbers on Six Lake ran mostly within 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 Six Lake?
Homes on Six 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 Six Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Six Lake?
Small, quiet water suited to paddling and fishing, about 33% shallow shoreline under 15 feet, and summer clarity around 21.3 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Six Lake?
No lake-specific regulation was found for Six Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Six Lake
Whether you’re buying, selling, or just curious, our team works Otter Tail 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.