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For information on Lakes in Wisconsin, contact:
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DNR Contacts for Caldron Falls Reservoir*

Find A Lake > Marinette County > Caldron Falls Reservoir*

Caldron Falls Reservoir*
Marinette, Oconto County, 1063 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 53 (Eutrophic) and was determined using Secchi data. For a Reservoir lake, this is considered Good.

Caldron Falls Reservoir* has been monitored by volunteers since 2007. 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. 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
Caldron Falls - Nr Peshtigo Mouth383182Map1995Details
Caldron Falls Reservoir - Deep Hole383053Map2016Details
Caldron Falls Reservoir - Far Dam383219Map1994Details
Caldron Falls Reservoir - Headwater Caldron Falls Dam10048094Map2016Details
Caldron Falls Reservoir - Near Dam383218Map1994Details