7 miles west of Gilman
Benton County, Minnesota · 45.7040° N, 94.0968° W
Directions to Mayhew Lake Public Water Access SiteApple Maps
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Updated 19 Oct 2026, 5:49 pm EDT.
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Minnesota DNR lake survey, fetched 15 Oct 2026. Not for navigation.
1 public access site on Mayhew Lake.
Minnesota DNR public water accesses, fetched 15 Oct 2026.
Minnesota DNR stocking reports list 12 stockings of Mayhew Lake in 8 of the years 2017 to 2025. The most recent, in 2025, included 1,000 rainbow trout yearlings. Species stocked: rainbow trout, walleye.
Latest: 2025: 349 walleye yearlings.
Source: Minnesota DNR Fisheries (LakeFinder stocking reports), fetched 15 Oct 2026. How we measure
Measured from Minnesota DNR contours. How we measure
Minnesota DNR’s latest standard fish survey of Mayhew Lake was in June 2022: 6 gill nets caught 11 species.
Walleye per gill net, standard surveys: 1996 0.2 · 2002 4.2 · 2008 0.3 · 2016 4.3 · 2022 2.2
Walleye: 17 measured, 9 to 20 in, half 14 in or longer; average 0.98 lb, below normal (normal 1.1–2.6 lb).
Northern pike: 35 measured, 12 to 36 in, half 25 in or longer; average 3.7 lb, above normal (normal 1.5–2.7 lb).
Black crappie: 260 measured, 5 to 10 in, half 7 in or longer; average 0.13 lb, normal (normal 0.1–0.3 lb).
Bluegill: 26 measured, 4 to 8 in, half 6 in or longer.
Yellow perch: 116 measured, 5 to 8 in, half 6 in or longer; average 0.13 lb, normal (normal 0.1–0.2 lb).
Also caught: black bullhead, bluegill, common carp, pumpkinseed, white sucker, yellow bullhead.
Source: Minnesota DNR Fisheries lake survey, 27 Jun 2022, via LakeFinder, fetched 15 Oct 2026. Normal range: DNR’s range for lakes of the same class (43 classes, grouped by water chemistry and shape). Each line has its own scale. How we measure
Measured water clarity averages about 4 ft: the Secchi depth across 3 readings, 2008–2022.
Minnesota Pollution Control Agency and volunteer Secchi readings, via Minnesota DNR LakeFinder, fetched 15 Oct 2026.
Minnesota DNR lake survey; straight-line miles.
Mayhew Lake is 20 feet at its deepest point, measured by Minnesota DNR survey. It covers 128 acres.
Yes. 1 public access site is listed: Mayhew Lake Public Water Access Site.
Yes. Minnesota DNR stocking reports list 12 stockings of it in 8 of the years 2017 to 2025. The most recent, in 2025, included 1,000 rainbow trout yearlings.
Minnesota DNR’s June 2022 standard survey caught 11 species, most often yellow perch, black crappie, northern pike and walleye.
About 79% of the lake's area is deeper than 10 feet, measured from Minnesota DNR depth contours.