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Lake Name:

a lake.
Contact information
For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality
DNR Contacts for Half Moon Lake

Half Moon Lake P & R District [exit DNR]

Find A Lake > Polk County > Half Moon Lake

Half Moon Lake
Polk County, 550 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 satellite water clarity observations data. For a Deep Lowland lake, this is considered Excellent. Deep Lowland lakes stratify, or form separate layers of water, during the summer months and have watersheds greater than 4 square miles in area.

Half Moon Lake has been monitored by volunteers since 1993. Volunteers monitor water clarity with a black and white Secchi disk. 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. 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
Half Moon Lake - A10021639Map2007Details
Half Moon Lake - B10021640Map2007Details
Half Moon Lake - C10021641Map2007Details
Half Moon Lake - D10021642Map2007Details
Half Moon Lake - Deep Hole493099Map2019Details
Half Moon Lake - E10021643Map2007Details
Half Moon Lake - F10021644Map2007Details
Half Moon Lake - G10021645Map2007Details
Half Moon Lake - H10021646Map2007Details
Half Moon Lake - I10021647Map2007Details
Half Moon Lake - J10021648Map2007Details
Half Moon Lake - Outlet at Dam493101Map2009Details
Half Moon Lake Site 1 near inlet10029946Map2009Details