Iowa DNR Biological Monitoring and Assessment Database

The Iowa DNR's ambient biological assessment program has surveyed fish, benthic macroinvertebrates, and aquatic habitat across the state to assess the health and biological integrity of Iowa's streams and rivers. BioNet provides access to all data collected as part of this program.

Find a Site by Stream Name

Name	County	EcoRegion

Site ID

If you know the Site ID number, enter it here. Landowners who received a letter from us can use the Site ID provided in the letter.

Map View

View a statewide map of biological assessment sites. Zoom in on areas of interest.

Map of Sites

Explore BioNet

BioNet User Guide View the Reference Codex About the BioAssessment Program Iowa's EcoRegions Publications Contact Us

Search Sites By

Interactive List Sampling Dates Project
Tag

Summary and Statistics

View summary info and statistics about sites

Master Fish Species List

List of all fish species currently in the database, with links to their distribution maps, photos, and species parameters

Summary and Statistics

View summary info about fish sampling, species counts, IBI results, and more

Master Taxa List

List of all benthic macroinvertebrate taxa currently in the database, with links to their distribution maps, photos, and taxa parameters

Summary and Statistics

View summary info about invertebrate sampling, taxa counts, IBI results, and more

MyFIBI

Calculate a Fish Index of Biotic Integrity with your own data

Iowa DNR Biological Monitoring and Assessment Database

Documentation

Sites

Fish

Benthic Macroinvertebrates

Tools