Part of the WPL Network

The IWI is a proud member of the Minnesota Pollution Control Agency’s Watershed Pollutant Load Monitoring Network, which covers all tributary and major watersheds within the state. We actively monitor 42 sites throughout the calendar year, submitting approximately 25 samples per site, per year (over 1,000 samples collected). Analysis on each sample includes field parameters, lab analyses , and pollutant load calculations.

The monitoring team kicks into high gear with precipitation events, visiting sites even more often. 

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