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DNR Contacts for Turtle Flambeau Flowage

Turtle-Flambeau Flowage & Trude Lake Property Owne [exit DNR]

Find A Lake > Iron County > Turtle Flambeau Flowage

Turtle Flambeau Flowage
Iron County, 12942 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 50 (Mesotrophic) and was determined using chlorophyll data. For a Two-Story lake, this is considered Fair.

Turtle Flambeau Flowage has been monitored by volunteers since 1998. 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. 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 Bastine Deep Hole near Mercer WI10040855Map2010Details
Turtle Flambeau Flowage - Baraboo - Deep Hole263059Map2021Details
Turtle Flambeau Flowage - Big Water263048Map2021Details
Turtle Flambeau Flowage - By Bastine Road (Site #7)263136Map2000Details
Turtle Flambeau Flowage - By Townline Rd (Site #5)263134Map2000Details
Turtle Flambeau Flowage - By Turtle Dam (Site #8)263137Map2000Details
Turtle Flambeau Flowage - E Basin263051Map1998Details
Turtle Flambeau Flowage - Lake Bastine - Deep Hole263049Map2021Details
Turtle Flambeau Flowage - Near Murrays Landing10019764Map2021Details
Turtle Flambeau Flowage - Townline Lake - Deep Hole263050Map2021Details
Turtle Flambeau Flowage - Turtle Inlet263182Map2022Details