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Lake Redstone - Fall Color

Lake Redstone - Fall Color
Photo by Donna Sefton

Contact information
For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality
DNR Contacts for Lake Redstone

Lake Redstone Property Owners Association [exit DNR]

Lake Redstone Protection District [exit DNR]

Find A Lake > Sauk County > Lake Redstone

Lake Redstone
Sauk County, 635 Acres


Water Quality

One measure of a lakes health is the trophic state, which relates to the amount of algae in the water. The average summer trophic state for the last 5 years was 65 (Eutrophic) and was determined using chlorophyll data. For a Reservoir lake, this is considered Poor.

Lake Redstone has been monitored by volunteers since 1986. Volunteers monitor water clarity with a black and white Secchi disk. Some also collect water samples, which are sent to the State Lab of Hygiene to be analyzed. Volunteers are the source of the majority of Wisconsin's lake water quality data, and their dedication is greatly appreciated. Lake Redstone is also part of DNR's long term trend monitoring project. Additional monitoring has been done through projects funded in part by DNR Lake Grants and Aquatic Invasive Species Grants. Reports and graphs featuring data collected by volunteers, DNR staff and others can be viewed below.

Water Quality Reports and Graphs

Station NameStation IDMapMax YearReports
Lake Redstone10014912Map2017Details
Lake Redstone - Deep Hole573124Map2019Details
Lake Redstone - East Big Creek area near Whippoorwill Ct.10044164Map2018Details
Lake Redstone - Near Mourning Dove Ct (Middle Site)573131Map2019Details
Lake Redstone - Near Sauk Ct (Lower Site 1996)573130Map2000Details
Lake Redstone - Near Winnebago Court (Upper Site)573205Map2019Details
Lake Redstone - off of Navaho Ct (Lower Site)573129Map2019Details
Lake Redstone 30 Nearshore Site10038247Map2012Details
Redstone Eagle Bay Herbicide Residue Inner Point10050905Map2018Details
Redstone Eagle Bay Herbicide Residue Middle Point10050903Map2018Details
Redstone Eagle Bay Herbicide Residue Outer Point10050906Map2018Details
Redstone Lake - Chickadee Bay South - Inner [Herbicide Monitoring Site]10044854Map2016Details
Redstone Lake - Chickadee Bay South - LakeMouth [Herbicide Monitoring Site]10044856Map2016Details
Redstone Lake - Chickadee Bay South - Middle [Herbicide Monitoring Site]10044855Map2016Details
Redstone Lake - Hummingbird Bay [Herbicide Monitoring Site]10048365Map2017Details
Redstone Lake - Hummingbird Bay - MainLake [Herbicide Monitoring Site]10048364Map2017Details
Redstone Lake - NE (Herbicide Monitoring Site 2-1)10043411Map2015Details
Redstone Lake - NE (Herbicide Monitoring Site 2-2)10043412Map2015Details
Redstone Lake - NE (Herbicide Monitoring Site 2-3)10043413Map2015Details
Redstone Lake - NW (Herbicide Monitoring Site 1-1)10043414Map2015Details
Redstone Lake - NW (Herbicide Monitoring Site 1-2)10043415Map2015Details
Redstone Lake - NW (Herbicide Monitoring Site 1-3)10043416Map2015Details
Redstone Lake - Oriole Bay - Inner [Herbicide Monitoring Site]10044857Map2016Details
Redstone Lake - Oriole Bay - MainLake [Herbicide Monitoring Site]10044860Map2016Details
Redstone Lake - Oriole Bay - Middle [Herbicide Monitoring Site]10044859Map2016Details
Redstone Lake - Redstone Lake574001Map1979Details
Redstone Mourning Dove Bay Herbicide Residue Inner Point10050907Map2018Details
Redstone Mourning Dove Bay Herbicide Residue Middle Point10050908Map2018Details
Redstone Mourning Dove Bay Herbicide Residue Outer Point10050909Map2018Details