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Water Quality in Iowa During 1998 and 1999

Part
Description

Full Table of Contents (*.pdf)

Preface (*.pdf)

I.

Executive Summary/Overview (*.pdf)

II.

Background (*.pdf)

  • Figure 2-1: Rivers and streams designated for beneficial uses in the Iowa Water Quality Standards (IAC 1996).
  • Figure 2-2: Publicly-owned lakes designated for beneficial uses in the Iowa Water Quality Standards (IAC 1996).
  • Figure 2-3: Publicly-owned lakes designated for beneficial uses in the Iowa Water Quality Standards (IAC 1996).

III.

Surface Water Assessment

     Chapter One: Surface Water Monitoring Program (*.pdf)

  • Figure 3-1: Ecoregions and subecoregions of Iowa as defined by Omernik et al. (1993).

     Chapter Two: Assessment Methodology and Summary Data (*.pdf)

     Chapter Three: Rivers and Streams Water Quality Assessment (*.pdf)

  • Figure 3-2: Iowa river and stream segments assessed for the 1998-1999 biennial reporting period as having designated uses fully supported or fully supported/threatened.
  • Figure 3-3: Iowa river and streams segments assessed for the 1998-1999 biennial reporting period as partially supporting their beneficial uses.
  • Figure 3-4: Iowa stream segments assessed for the 1998-1999 biennial reporting period as not supporting designated uses.
  • Figure 3-6: Iowa river and stream segment assessed for the 1998-1999 biennial reporting period as having impacts to aquatic life uses due to alterations to aquatic habitat.
  • Figure 3-7: Iowa river and stream segment assessed for the 1998-1999 biennial reporting period as having impacts to aquatic life uses due to organic enrichment.
  • Figure 3-8: Iowa river and stream segment assessed for the 1998-1999 biennial reporting period as having impacts to primary contact recreation uses due to pathogen indicatiors.
  • Figure 3-11: Iowa river and stream segments assessed for the 1998-1999 biennial reporting period as having impacts due to agriculture (for example, row cropping, pasturing, and animal feeding operations).
  • Figure 3-13: Iowa river and stream segments assessed for the 1998-1999 biennial reporting period as having impacts due to hydromodification (for example, channelization).
  • Figure 3-14: Iowa river and stream segments assessed for the 1998-1999 biennial reporting period as having impacts due to unknown sources.

     Chapter Four: Lake Water Quality Assessment (*.pdf)

  • Figure 3-15: Iowa lakes assessed for the 1998-1999 biennial reporting period as having designated uses fully supported or fully supported/threatened.
  • Figure 3-16: Iowa lakes assessed for the 1998-1999 biennial reporting period as partially supporting or not supporting designated uses.
  • Figure 3-18: The most common causes of water quality impacts on Iowa ’s publicly-owned lakes for the 1998-1999 biennial reporting period.
  • Figure 3-20: The most common sources of water quality impacts on Iowa’s publicly-owned lakes for the 1998-1999 biennial reporting period.

     Chapter Five: Flood Control Reservoirs (*.pdf)

     Chapter Six: Wetlands Assessment (*.pdf)

  • Figure 3-23: Iowa wetlands assessed for the 1998-1999 biennial reporting period as having designated uses fully supported or fully supported/threatened.
  • Figure 3-24: Iowa wetlands assessed for the 1998-1999 biennial reporting period as partially supporting or not supporting designated uses.
  • Figure 3-26: The most common causes of impact on Iowa wetlands assessed for the 1998-1999 biennial reporting period.
  • Figure 3-28: The most common sources of impact on Iowa wetlands assessed for the 1998-1999 biennial reporting period.

     Chapter Seven: Public Health/Aquuatic Life Concerns (*.pdf)

  • Figure 3-29: Iowa waterbodies designated for Class C (drinking water) uses in the Iowa Water Quality Standards (IAC 1996).

IV.

Groundwater Assessment (*.pdf)

 
References (*.pdf)
List of Figures (*.pdf)
List of Tables (*.pdf)
 
Appendix A: Description and extent of meandered rivers and lakes in Iowa (*.pdf)
Appendix B: Routinely-sampled water quality monitoring stations in Iowa (*.pdf)
Appendix C: Significant, publicly-owned lakes in Iowa (*.pdf)
Appendix D: Use support at Iowa's significant, publicly-owned lakes (*.pdf)
Appendix E: Use support at publicly-owned wetlands in Iowa (*.pdf)
Appendix F: Iowa waterbodies designated for drinking water uses (*.pdf)
Appendix G: Major sources of groundwater contamination in Iowa (*.pdf)
Appendix H: Using fish survey data for Iowa Section 305(b) assessments (*.pdf)
Appendix I: Determining aquatic life use support with stream biocriteria data (*.pdf)
 


Assessment Results for Iowa's Lakes and Wetlands

Results Alphabetically by County

Assessment Results: Adair County - Butler County (*.pdf) (*.pdf file)
Assessment Results: Calhoun County - Decatur County (*.pdf) (*.pdf file)
Assessment Results: Delaware County - Fremont County (*.pdf) (*.pdf file)
Assessment Results: Greene County - Jones County (*.pdf) (*.pdf file)
Assessment Results: Kossuth County - Monona County (*.pdf) (*.pdf file)
Assessment Results: Monroe County - Polk County (*.pdf) (*.pdf file)
Assessment Results: Pottawattamie County - Tama County (*.pdf) (*.pdf file)
Assessment Results: Taylor County - Wright County (*.pdf) (*.pdf file)


Assessment Results for Iowa's Rivers and Streams

Western Iowa River Basin
  • Boyer River Subbasin (*.pdf)
  • Big Sioux River Subbasin (*.pdf)
  • Floyd River Subbasin (*.pdf)
  • Little Sioux River Subbasin (*.pdf)
  • Soldier River Subbasin (*.pdf)
  • Missouri River and Direct Tributaries (*.pdf)
  • Des Moines River Basin
  • Blue Earth River Basin (*.pdf)
  • East Fork Des Moines River Subbasin (*.pdf)
  • Fabius/Fox/Wyaconda Subbasin (*.pdf)
  • Lower Des Moines River Subbasin (*.pdf)
  • Raccoon River Subbasin (*.pdf)
  • Upper Des Moines River Subbasin (*.pdf)
  • Southern Iowa River Basin
  • Chariton River Subbasin (*.pdf)
  • Grand River Subbasin (*.pdf)
  • Nodaway River Subbasin (*.pdf)
  • Nishnabotna River Subbasin (*.pdf)
  • Platte River Subbasin (*.pdf)
  • Tarkio River Subbasin (*.pdf)
  • Skunk River Basin
  • North Skunk River Subbasin (*.pdf)
  • Mississippi River and Direct Tributaries (*.pdf)
  • Lower Skunk River Subbasin (*.pdf)
  • South Skunk River Subbasin (*.pdf)
  • Iowa-Cedar River Basin
  • Cedar River Subbasin (*.pdf)
  • Mississippi River and Direct Tributaries (*.pdf)
  • Iowa River Subbasin (*.pdf)
  • Shell Rock River Subbasin (*.pdf)
  • West Fork Cedar River Subbasin (*.pdf)
  • Winnebago River Subbasin (*.pdf)
  • Northeast Iowa River Basin
  • Maquoketa River Subbasin (*.pdf)
  • Mississippi River and Direct Tributaries (*.pdf)
  • North Fork Maquoketa River Subbasin (*.pdf)
  • Turkey River Subbasin (*.pdf)
  • Upper Iowa River Subbasin (*.pdf)
  • Volga River Subbasin (*.pdf)
  • Wapsipinicon River Subbasin (*.pdf)
  • Yellow River Subbasin (*.pdf)
  • Iowa River Basins (10K)


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