Mule Lake
Otter Tail County, Minnesota, near Edward. DNR lake ID 56068900.
Mule Lake is a 53.4-acre lake in Otter Tail County, Minnesota, near Edward. Its deepest point reaches 31 ft, and about 64% of the lake is shallower than 15 feet. Summer water clarity averages 17.1 feet in Minnesota Pollution Control Agency monitoring, which places it in the oligotrophic nutrient class. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Mule 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 | 56068900 |
|---|---|
| County | Otter Tail County, near Edward |
| Surface area | 53.4 acres |
| Maximum depth | 31 ft |
| Share under 15 ft | 64% |
| Water clarity (summer) | 17.1 ft through 2023 |
| Phosphorus (summer) | 8.0 µg/L |
| Algae, chlorophyll-a (summer) | 1.3 µg/L |
| Nutrient class | Oligotrophic |
| 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 2023: clarity 17.1 ft, phosphorus 8.0 µg/L, algae (chlorophyll-a) 1.3 µg/L. Using the Carlson trophic state index, Mule Lake rates as oligotrophic.
Fishing on Mule Lake
The most recent DNR standard fish survey was in 1992 (34 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 | n/a |
| Northern pike | trap | 0.25 | n/a |
| Yellow perch | gill | 4.0 | n/a |
| Yellow perch | trap | 0.75 | n/a |
| Black crappie | trap | 7.25 | n/a |
| Bluegill | trap | 0.75 | n/a |
| Largemouth bass | trap | 1.25 | n/a |
| Pumpkinseed | trap | 5.75 | n/a |
| Hybrid sunfish | trap | 3.5 | 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
- Tonseth Lake 0.7 mi, Otter Tail County
- Heilberger Lake 1.0 mi, Otter Tail County
- Brackett Lake 1.9 mi, Otter Tail County
- Long Lake 2.1 mi, Otter Tail County
- Anderson Lake 2.2 mi, Otter Tail County
- Crystal Lake 2.2 mi, Otter Tail County
- Big Stone Lake 2.3 mi, Otter Tail County
- Eddy Lake 2.4 mi, Otter Tail County
Questions about Mule Lake
How deep is Mule Lake?
Mule Lake reaches a maximum depth of 31 ft according to Minnesota DNR records. About 64% of the lake is shallower than 15 feet.
How big is Mule Lake?
Mule Lake covers about 53.4 acres in Otter Tail County, Minnesota.
How clear is Mule Lake?
Summer water clarity on Mule Lake averages 17.1 feet (Secchi depth) in MPCA monitoring through 2023. Its trophic state is oligotrophic.
Does Mule Lake have zebra mussels or other invasive species?
Mule 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 Mule Lake?
Homes on Mule 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 Mule Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Mule Lake?
Small, quiet water suited to paddling and fishing, about 64% shallow shoreline under 15 feet, and summer clarity around 17.1 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Mule Lake?
No lake-specific regulation was found for Mule Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Mule 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 1992), 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.