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

Saint Croix Flowage - True Deep Hole

Annual Reports

The annual report displays Secchi, Chemistry and Temperature/D.O. profiles (where applicable) for a year.
2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010



Narrative Report

Summarizes Secchi and Chemistry results for the most recent monitoring season. 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010

Secchi Graph

Shows average summer (July-August) Secchi readings by year.
Secchi Graph

Trophic State Index Graph

Displays average summer (July-August) Trophic State Index (TSI) values for Secchi, Chlorophyll a and Total Phosphorus by year.
Trophic State Index (TSI) Graph

Data Download

Download Secchi, Total Phosphorus, Chlorophyll, Temperature and D.O. data all years (where available).
Data Download