Iowa DNR

Water Quality Assessments

Impaired Waters List

ADBNet Documentation

User Guide

ADBNet contains the data for thousands of water quality assessments across the State of Iowa, available at your fingertips. This User Guide aims to get you up and running as quickly as possible.

Here are some of the most frequently asked questions, and other tips to help you get started:
  • Do I need to log in?
    • No! The login is for database administrators only. Other users can view all available public information without logging into the database.
  • What does _____ mean?
    • Terms, data definitions, and other information can be found in the Reference Codex.
  • How should the database be cited?
    • Iowa Dept. of Natural Resources,(year of access, eg 2024), ADBNet Assessment Database, online at, accessed on (date of access).
  • I still can't find what I need!

This page was created 4/21/2017 8:50:33 AM and was last updated 6/25/2024 10:07:48 AM