Blanche Lake
Otter Tail County, Minnesota, near Ottertail. DNR lake ID 56024000.
Blanche Lake is a 1,296-acre lake in Otter Tail County, Minnesota, near Ottertail. Its deepest point reaches 64 ft, and about 77% of the lake is shallower than 15 feet. Summer water clarity averages 12.4 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. The DNR lists it for zebra mussel. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
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Quick facts
| DNR lake ID | 56024000 |
|---|---|
| County | Otter Tail County, near Ottertail |
| Surface area | 1,296 acres |
| Maximum depth | 64 ft |
| Share under 15 ft | 77% |
| Water clarity (summer) | 12.4 ft through 2025 |
| Phosphorus (summer) | 12.9 µg/L |
| Algae, chlorophyll-a (summer) | 4.8 µg/L |
| Nutrient class | Mesotrophic |
| Clarity trend | Clearer (2016 to 2025) |
| Invasive species | zebra mussel |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 12.4 ft, phosphorus 12.9 µg/L, algae (chlorophyll-a) 4.8 µg/L. Using the Carlson trophic state index, Blanche Lake rates as mesotrophic. Summer clarity trend 2016 to 2025: clearer.
Fishing on Blanche Lake
The most recent DNR standard fish survey was in 2015 (11 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 | 3.22 | 3.3 to 8.8 |
| Walleye | trap | 0.38 | 0.2 to 0.8 |
| Northern pike | gill | 6.67 | 2.8 to 9.0 |
| Northern pike | trap | 0.75 | n/a |
| Yellow perch | gill | 0.89 | 7.0 to 46.3 |
| Black crappie | gill | 0.44 | 0.4 to 2.7 |
| Black crappie | trap | 1.12 | 0.4 to 2.3 |
| Bluegill | gill | 4.56 | n/a |
| Bluegill | trap | 39.75 | 4.4 to 49.0 |
| Largemouth bass | gill | 2.11 | 0.3 to 1.4 |
| Largemouth bass | trap | 2.5 | 0.3 to 1.3 |
| Tullibee (cisco) | gill | 0.22 | 0.8 to 6.2 |
| Pumpkinseed | gill | 10.22 | n/a |
| Pumpkinseed | trap | 5.75 | 1.8 to 7.8 |
| Rock bass | gill | 0.33 | 0.6 to 3.9 |
| Rock bass | trap | 0.25 | 0.5 to 2.5 |
| Hybrid sunfish | trap | 0.88 | n/a |
Walleye catch was below the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Northern pike 24.0 in (2015), Largemouth bass 15.0 in (2015), Walleye 20.0 in (2015).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Tullibee (cisco), 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
On the Minnesota DNR infested waters list for: zebra mussel (listed 2018).
Public boat access
- Blanche Lake: 1 concrete slab launch ramp, 1 dock, 6 trailer spaces. 8 mi N of the city of Battle Lake on Mn Hwy 78, then .5 mi E on Twp Rd to N shore. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Emma Lake 1.1 mi, Otter Tail County
- Annie Battle Lake 1.4 mi, Otter Tail County
- Ethel Lake 1.8 mi, Otter Tail County
- Molly Stark Lake 2.3 mi, Otter Tail County
- Hanson Lake 2.7 mi, Otter Tail County
- Otter Tail Lake 3.7 mi, Otter Tail County
- West Battle Lake 3.7 mi, Otter Tail County
- Silver Lake 4.2 mi, Otter Tail County
Questions about Blanche Lake
How deep is Blanche Lake?
Blanche Lake reaches a maximum depth of 64 ft according to Minnesota DNR records. About 77% of the lake is shallower than 15 feet.
How big is Blanche Lake?
Blanche Lake covers about 1,296 acres in Otter Tail County, Minnesota.
How clear is Blanche Lake?
Summer water clarity on Blanche Lake averages 12.4 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is mesotrophic.
Does Blanche Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Blanche Lake for zebra mussel.
What fish are in Blanche Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass, tullibee (cisco) in Blanche Lake. The most recent standard survey was in 2015.
Where is the public boat access on Blanche Lake?
Blanche Lake has 1 public water access site on DNR record: Blanche Lake.
How is the walleye population on Blanche Lake?
In Minnesota DNR net surveys from 1990 to 2015, walleye numbers on Blanche 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 Blanche Lake?
Homes on Blanche 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 Blanche Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Blanche Lake?
A mid-size lake with room for boating and fishing, about 77% shallow shoreline under 15 feet, and summer clarity around 12.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Blanche Lake?
No lake-specific regulation was found for Blanche Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Blanche 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 2015), 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.