Grunard Lake
Otter Tail County, Minnesota, near Dent. DNR lake ID 56033000.
Grunard Lake is a 121.3-acre lake in Otter Tail County, Minnesota, near Dent. Its deepest point reaches 37 ft, and about 53% of the lake is shallower than 15 feet. Summer water clarity averages 13.0 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Grunard 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 | 56033000 |
|---|---|
| County | Otter Tail County, near Dent |
| Surface area | 121.3 acres |
| Maximum depth | 37 ft |
| Mean depth | 14.0 ft |
| Share under 15 ft | 53% |
| Water clarity (summer) | 13.0 ft through 2025 (satellite estimate) |
| 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 2025: clarity 13.0 ft.
Fishing on Grunard Lake
The most recent DNR standard fish survey was in 1974 (52 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 | 1.0 | 0.5 to 3.8 |
| Walleye | trap | 0.17 | 0.3 to 1.2 |
| Northern pike | gill | 13.5 | 2.7 to 9.3 |
| Northern pike | trap | 1.17 | n/a |
| Yellow perch | gill | 0.5 | 1.9 to 19.1 |
| Yellow perch | trap | 0.17 | 0.7 to 3.6 |
| Black crappie | gill | 0.5 | 1.0 to 4.3 |
| Black crappie | trap | 0.17 | 0.7 to 4.3 |
| Bluegill | trap | 256.0 | 2.9 to 41.2 |
| Pumpkinseed | trap | 2.0 | 1.5 to 7.4 |
| Hybrid sunfish | trap | 1.33 | n/a |
Walleye catch was within the typical range for similar lakes in that survey.
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
- Kerbs Lake 0.8 mi, Otter Tail County
- Rusch Lake 1.7 mi, Otter Tail County
- Little McDonald Lake 1.7 mi, Otter Tail County
- Berger Lake 1.8 mi, Otter Tail County
- Sybil Lake 2.1 mi, Otter Tail County
- Paul Lake 2.3 mi, Otter Tail County
- Big McDonald Lake 2.5 mi, Otter Tail County
- Long Lake 2.9 mi, Otter Tail County
Questions about Grunard Lake
How deep is Grunard Lake?
Grunard Lake reaches a maximum depth of 37 ft according to Minnesota DNR records. About 53% of the lake is shallower than 15 feet.
How big is Grunard Lake?
Grunard Lake covers about 121.3 acres in Otter Tail County, Minnesota.
How clear is Grunard Lake?
Summer water clarity on Grunard Lake averages 13.0 feet (Secchi depth) in MPCA monitoring through 2025.
Does Grunard Lake have zebra mussels or other invasive species?
Grunard 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 Grunard Lake?
Homes on Grunard 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 Grunard Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Grunard Lake?
Small, quiet water suited to paddling and fishing, about 53% shallow shoreline under 15 feet, and summer clarity around 13.0 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Grunard Lake?
No lake-specific regulation was found for Grunard Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Grunard 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 1974), 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.