Rock River TMDL Outreach
This is a map of the Rock River Basin, upper and lower, for the purposes of displaying data on the TMDL.
EPA finds that the phosphorus and TSS TMDLs for the 62 impaired reaches, and three lakes, satisfy all of the elements of an approvable TMDL. This is for 101 TMDLs for TP and TSS.
Information and Education
The Rock River TMDL was approved by US EPA on September 28, 2011.