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Iowa Geological
and Water Survey

109 Trowbridge Hall
Iowa City, IA 52242
Phone (319) 335-1575
Fax (319) 335-2754


Water Quality in Iowa from 2000 through 2004

Below are links to the assessment results used to compile the 2004 305(b) report.

Assessment Results for Iowa's Lakes and Wetlands

Results Alphabetical by County

Choose a basin for assessment results in *.pdf file format:
Assessment Results: Adair County - Butler County (*.pdf file)
Assessment Results: Calhoun County - Decatur County (*.pdf file)
Assessment Results: Delaware County - Fremont County (*.pdf file)
Assessment Results: Greene County - Jones County (*.pdf file)
Assessment Results: Keokuk County - Monona County (*.pdf file)
Assessment Results: Monroe County - Polk County (*.pdf file)
Assessment Results: Pottawattamie County - Tama County (*.pdf file)
Assessment Results: Taylor County - Wright County (*.pdf file)

Assessment Results for Iowa's Rivers and Streams
Iowa River Basins (10K)

Return to 305(b) Report