William Lake
Todd County, Minnesota, near West Union. DNR lake ID 77018000.
William Lake is a 131-acre lake in Todd County, Minnesota, near West Union. Its deepest point reaches 12 ft, and about 100% of the lake is shallower than 15 feet. Summer water clarity averages 4.6 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026.
Buying or selling on William 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.
Tell us about your dream home on William LakeWhat’s my William Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 77018000 |
|---|---|
| County | Todd County, near West Union |
| Surface area | 131 acres |
| Maximum depth | 12 ft |
| Share under 15 ft | 100% |
| Water clarity (summer) | 4.6 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 4.6 ft.
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
- Guernsey Lake 1.4 mi, Todd County
- Long Lake 1.8 mi, Todd County
- Lily Lake 1.9 mi, Todd County
- Fairy Lake 2.4 mi, Todd County
- Little Sauk Lake 3.2 mi, Todd County
- Sauk Lake 4.4 mi, Todd County
- Cedar Lake 4.8 mi, Todd County
- Mud Lake 5.1 mi, Todd County
Questions about William Lake
How deep is William Lake?
William Lake reaches a maximum depth of 12 ft according to Minnesota DNR records. About 100% of the lake is shallower than 15 feet.
How big is William Lake?
William Lake covers about 131 acres in Todd County, Minnesota.
How clear is William Lake?
Summer water clarity on William Lake averages 4.6 feet (Secchi depth) in MPCA monitoring through 2025.
Does William Lake have zebra mussels or other invasive species?
William 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 William Lake?
Homes on William 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 William Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on William Lake?
Small, quiet water suited to paddling and fishing, about 100% shallow shoreline under 15 feet, and summer clarity around 4.6 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on William Lake?
No lake-specific regulation was found for William Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about William 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 not on record), 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.