Heilberger Lake
Otter Tail County, Minnesota, near Erhard. DNR lake ID 56069500.
Heilberger Lake is a 221-acre lake in Otter Tail County, Minnesota, near Erhard. Its deepest point reaches 47 ft, and about 44% of the lake is shallower than 15 feet. Summer water clarity averages 15.8 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 | 56069500 |
|---|---|
| County | Otter Tail County, near Erhard |
| Surface area | 221 acres |
| Maximum depth | 47 ft |
| Share under 15 ft | 44% |
| Water clarity (summer) | 15.8 ft through 2018 |
| Phosphorus (summer) | 13.1 µg/L |
| Algae, chlorophyll-a (summer) | 3.4 µg/L |
| Nutrient class | Mesotrophic |
| Invasive species | zebra mussel |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2018: clarity 15.8 ft, phosphorus 13.1 µg/L, algae (chlorophyll-a) 3.4 µg/L. Using the Carlson trophic state index, Heilberger Lake rates as mesotrophic.
Fishing on Heilberger Lake
The most recent DNR standard fish survey was in 2014 (12 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 | 0.17 | 0.5 to 3.8 |
| Walleye | trap | 0.17 | 0.3 to 1.2 |
| Northern pike | gill | 9.0 | 2.7 to 9.3 |
| Northern pike | trap | 0.17 | n/a |
| Yellow perch | gill | 0.5 | 1.9 to 19.1 |
| Black crappie | gill | 0.83 | 1.0 to 4.3 |
| Black crappie | trap | 1.33 | 0.7 to 4.3 |
| Bluegill | gill | 4.67 | n/a |
| Bluegill | trap | 57.33 | 2.9 to 41.2 |
| Largemouth bass | gill | 0.5 | 0.5 to 1.5 |
| Largemouth bass | trap | 1.33 | 0.4 to 2.0 |
| Pumpkinseed | gill | 0.33 | n/a |
| Pumpkinseed | trap | 2.33 | 1.5 to 7.4 |
| Hybrid sunfish | gill | 0.5 | n/a |
| Hybrid sunfish | trap | 8.5 | n/a |
Walleye catch was below the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Walleye 20.0 in (2014), Largemouth bass 13.0 in (2014), Northern pike 26.0 in (2014).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Green sunfish, Bowfin, 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 2024).
Public boat access
- Heilberger Lake: 1 concrete slab launch ramp, 8 trailer spaces. 8 mi NE of Fergus Falls on Cnty Rd 1, then 4 mi N on Cnty Rd 43, then W on Cnty Rd 22 to S shore. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Mule Lake 1.0 mi, Otter Tail County
- Tonseth Lake 1.2 mi, Otter Tail County
- Big Stone Lake 1.3 mi, Otter Tail County
- Long Lake 2.5 mi, Otter Tail County
- Fogard Lake 2.5 mi, Otter Tail County
- Anderson Lake 2.8 mi, Otter Tail County
- Brackett Lake 2.8 mi, Otter Tail County
- Crystal Lake 3.1 mi, Otter Tail County
Questions about Heilberger Lake
How deep is Heilberger Lake?
Heilberger Lake reaches a maximum depth of 47 ft according to Minnesota DNR records. About 44% of the lake is shallower than 15 feet.
How big is Heilberger Lake?
Heilberger Lake covers about 221 acres in Otter Tail County, Minnesota.
How clear is Heilberger Lake?
Summer water clarity on Heilberger Lake averages 15.8 feet (Secchi depth) in MPCA monitoring through 2018. Its trophic state is mesotrophic.
Does Heilberger Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Heilberger Lake for zebra mussel.
What fish are in Heilberger Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, green sunfish, bowfin in Heilberger Lake. The most recent standard survey was in 2014.
Where is the public boat access on Heilberger Lake?
Heilberger Lake has 1 public water access site on DNR record: Heilberger Lake.
How is the walleye population on Heilberger Lake?
In Minnesota DNR net surveys from 1990 to 2014, walleye numbers on Heilberger 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 Heilberger Lake?
Homes on Heilberger 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 Heilberger Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Heilberger Lake?
Small, quiet water suited to paddling and fishing, about 44% shallow shoreline under 15 feet, and summer clarity around 15.8 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Heilberger Lake?
No lake-specific regulation was found for Heilberger Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Heilberger 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 2014), 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.