Rock Lake Boat Ramps

7 boat launches are mapped on Rock Lake in Douglas County, Jefferson County, Kenosha County, Wisconsin.

7 of these launches include facility details from Wisconsin Department of Natural Resources.

Rock Lake facts

Surface area1,372 acres
TypeReservoir
Average depthabout 19 ft (normal storage ÷ surface area)
Shoreline lengthabout 8.9 miles
Surface elevation820 ft above sea level
DamLake Mills, completed 1865
Dam size17 ft high, 400 ft long, gravity dam
Dam purposesRecreation
Dam ownerCity of Lake Mills (Local Government)
Normal storage25,590 acre-feet
Impounded streamRock Creek

Sources: USGS National Hydrography Dataset (public domain); HydroLAKES v1.0 (Messager et al. 2016, CC BY 4.0); U.S. Army Corps of Engineers National Inventory of Dams (NID ID WI10222). Matched to this page by name and location; modelled values are approximate. See all sources.

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