Well, Bucky, your DNR has enabled brown water, and blue-green water, so add orange to your color-coded collection of water-borne contaminants.
In 10 million gallon increments.
Penalty free:
With this caveat off a webpage not updated since May 25, 2016:

In 10 million gallon increments.
Penalty free:
Wisconsin DNR: No fine for Trempealeau County mine spillDespite the video.
Frac sand mine mishap turns a river orangeHere's one Wisconsin frac sand mine.
With this caveat off a webpage not updated since May 25, 2016:
Current site totals and spreadsheet
Current mining operations are primarily located in West Central Wisconsin, but there are also facilities in Burnett, Green Lake, Outagamie and Waupaca Counties. The following table and the interactive map contain information that is current as of May 23, 2016.
