Hennessy Lake
Todd County, Minnesota, near Ward Springs. DNR lake ID 77009600.
Hennessy Lake is a 51.7-acre lake in Todd County, Minnesota, near Ward Springs. Its deepest point reaches 32 ft, and about 60% of the lake is shallower than 15 feet. Summer water clarity averages 9.5 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill.
Buying or selling on Hennessy 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 | 77009600 |
|---|---|
| County | Todd County, near Ward Springs |
| Surface area | 51.7 acres |
| Maximum depth | 32 ft |
| Share under 15 ft | 60% |
| Water clarity (summer) | 9.5 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 9.5 ft.
Fishing on Hennessy Lake
The most recent DNR standard fish survey was in 2001 (25 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 | 0.5 | 0.5 to 3.8 |
| Northern pike | gill | 18.0 | 2.7 to 9.3 |
| Northern pike | trap | 2.5 | n/a |
| Black crappie | gill | 2.0 | 1.0 to 4.3 |
| Black crappie | trap | 8.75 | 0.7 to 4.3 |
| Bluegill | gill | 1.0 | n/a |
| Bluegill | trap | 17.75 | 2.9 to 41.2 |
| Largemouth bass | trap | 0.25 | 0.4 to 2.0 |
| Pumpkinseed | trap | 0.25 | 1.5 to 7.4 |
Walleye catch was within the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Northern pike 15.0 in (2022), Largemouth bass 15.0 in (2015), Walleye 18.0 in (2015).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Pumpkinseed, Hybrid sunfish, 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
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
- Fuller Lake 0.5 mi, Todd County
- Trace Lake 2.3 mi, Todd County
- Little Birch Lake 2.8 mi, Todd County
- Bass Lake 3.0 mi, Todd County
- Big Birch Lake 3.3 mi, Todd County
- Lady Lake 3.4 mi, Todd County
- Twin Lake 3.5 mi, Todd County
- Long Lake 4.6 mi, Todd County
Questions about Hennessy Lake
How deep is Hennessy Lake?
Hennessy Lake reaches a maximum depth of 32 ft according to Minnesota DNR records. About 60% of the lake is shallower than 15 feet.
How big is Hennessy Lake?
Hennessy Lake covers about 51.7 acres in Todd County, Minnesota.
How clear is Hennessy Lake?
Summer water clarity on Hennessy Lake averages 9.5 feet (Secchi depth) in MPCA monitoring through 2025.
Does Hennessy Lake have zebra mussels or other invasive species?
Hennessy 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.
What fish are in Hennessy Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, pumpkinseed, hybrid sunfish, bowfin, common carp, white sucker in Hennessy Lake. The most recent standard survey was in 2001.
Are there lake homes for sale on Hennessy Lake?
Homes on Hennessy 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 Hennessy Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Hennessy Lake?
Small, quiet water suited to paddling and fishing, about 60% shallow shoreline under 15 feet, and summer clarity around 9.5 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Hennessy Lake?
No lake-specific regulation was found for Hennessy Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Hennessy Lake
Whether you’re buying, selling, or just curious, our team works Todd County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2001), 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.