Bass lake, Crappie lake, Sunfish lake
Willow Reservoir 4
Public access
Willow Reservoir 4 is a 36-acre lake in Olmsted County, 24 feet at its deepest. The DNR last surveyed its fish in 2023. Recorded species include largemouth bass, smallmouth bass and crappie.
Details
- DNR lake ID
- 55002000
- County
- Olmsted
- Surface area
- 36 acres
- Maximum depth
- 24 feet
- Shallow water (littoral) area
- 31 acres, 85% of the lake
- Shoreline
- 1.7 miles
- Nearest town (DNR)
- Rochester
- Latest DNR fish survey
- May 2023, targeted survey
- Surveys on record
- 4, since 1991
- Game fish caught in the 2023 survey
- bluegill 171, black crappie 96, largemouth bass 66, yellow perch 1
- Fish species recorded
- black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, smallmouth bass, yellow perch, and 3 other species
- Public accesses (DNR survey record)
- 1, owned by city
- Special regulation, Rochester-Olmsted County Area Lakes includes: Bear Creek Reservoir (Chester Woods), Cascade Lake (Cascade Ponds), Foster Arend Lake, Gamehaven Lake (Boy Scout Lake or Willow Reservoir No. 4), Kalmar Reservoir, Quarry Hill Nature Center Pond, Manor Woods Pond (Country Club Pond), Silver Lake, Silver Creek Reservoir, Willow Creek Reservoir.
- Largemouth and Smallmouth Bass: Combined possession limit one. The daily and possession limits for these species apply to the waters listed as a whole, that is, only one daily and possession limit may be taken from the group of waters that comprise the Rochester-Olmsted County Area Lakes
- Special regulation, Rochester-Olmsted County Area Lakes includes: Bear Creek Reservoir (Chester Woods), Cascade Lake (Cascade Ponds), Foster Arend Lake, Gamehaven Lake (Boy Scout Lake or Willow Reservoir No. 4), Kalmar Reservoir, Quarry Hill Nature Center Pond, Manor Woods Pond (Country Club Pond), Silver Lake, Silver Creek Reservoir, Willow Creek Reservoir.
- Northern Pike, Northern Pike: Possession limit one. The daily and possession limit of one for northern pike apply to the waters listed as a whole, that is, only one daily and possession limit may be taken from the group of waters that comprise the Rochester-Olmsted County Area Lakes
- Special regulation, Rochester-Olmsted County Area Lakes includes: Bear Creek Reservoir (Chester Woods), Cascade Lake (Cascade Ponds), Foster Arend Lake, Gamehaven Lake (Boy Scout Lake or Willow Reservoir No. 4), Kalmar Reservoir, Quarry Hill Nature Center Pond, Manor Woods Pond (Country Club Pond), Silver Lake, Silver Creek Reservoir, Willow Creek Reservoir.
- Sunfish, Black and White Crappie, Yellow Perch: Combined possession limit ten, of which only five may be black or white crappie. The daily and possession limit for these species apply to the waters listed as a whole, that is, only one daily and possession limit may be taken from the group of waters that comprise the Rochester-Olmsted County Area Lakes.
- Fish consumption
- Follow the statewide guidelines; fish from this lake have been tested
- Size
- Under 100 acres
- Deepest point
- 15 to 29 feet
- Public access
- Yes
Sources
- Minnesota DNR LakeFinder
Checked September 24, 2026
Survey catches show what DNR nets and electrofishing found on the survey date, not how the fishing is today. Check the current regulations and the Department of Health advice before you keep fish, and confirm access conditions before you tow a boat.