Table of ContentsDes Moines Water Quality Network Overview of Des Moines River Water Quality Network PPT Slide Routine Parameters Why long-term monitoring? Why Monitor at Corps of Engineers’ Reservoirs in Iowa? Significant Findings Significant Findings (Cont’d) Non-point sources are the main contaminants; sus. solids, ammonia loading has decreased Nitrate Nitrogen PPT Slide PPT Slide PPT Slide PPT Slide Improvements to the Des Moines Wastewater Treatment facilities may have significantly reduced ammonia loading in the Des Moines River PPT Slide Pesticide levels in fish are low but may still be of concern Pesticide levels in fish are low but may still be of concern Gas supersaturation-induced gas bubble trauma causes periodic fish kills below Red Rock Dam Flood of 1993 Data from 1993-94 Data from 1993-94 Data from 1993-94 Data from 1993-94 |
Author: Lutz
Email: dslutz@iastate.edu Home Page: www.cce.iastate.edu/~lutz/dmrwqn.html Other information: |