Des Moines Water Quality Network

10/18/1999


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Table of Contents

Des 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:
Donna S. Lutz Project Manager