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

Bass Lake Rehab District [exit DNR]

Find A Lake > Saint Croix County > Bass Lake

Bass Lake
Saint Croix County, 370 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 44 (Mesotrophic) and was determined using chlorophyll data. For a Deep Seepage lake, this is considered Good. Deep Seepage lakes stratify, or form separate layers of water, during the summer months and have no inlet or outlet.

Bass Lake 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. Bass Lake is also part of DNR's long term trend monitoring project. Additional monitoring has been done through projects funded in part by DNR 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
Bass Lake - E Shore N Frog Pond563102Map1996Details
Bass Lake - Middle Of Lake563058Map2019Details
Bass Lake - N End Deep Spot563101Map1996Details
Bass Lake - N End Nr Cattle Pasture563099Map1996Details
Bass Lake - Nw Side563153Map2018Details
Bass Lake - S End Connected Pond563103Map1996Details
Bass Lake Pump SIte10049162Map2019Details