API Changelog

This changelog lists all additions and updates to the ADBNet API, in chronological order. For more information about the API, view the documentation guide.

ADBNet v6.0 release - 22 Oct 2025

• New: API endpoint for pulling most impaired waters by HUC12: /api/v1/assessments/impaired_waters/by_hu12/{huc12}
• Possibly breaking change:/api/v1/tmdls/by_segment/{id}
  • CoveredSegments attribute has changed. The model has been streamlined and attribute names may have been dropped or changed. New CoveredSegments attribute model example:

    • <span style="box-sizing: inherit;">    </span><span class="hljs-attr" style="box-sizing: inherit;">"CoveredSegments"</span><span style="box-sizing: inherit;">: [
      </span>      {
      <span style="box-sizing: inherit;">        </span><span class="hljs-attr" style="box-sizing: inherit;">"SegID"</span><span style="box-sizing: inherit;">: </span><span style="box-sizing: inherit; color: rgb(211, 99, 99);">14</span><span style="box-sizing: inherit;">,
      </span><span style="box-sizing: inherit;">        </span><span class="hljs-attr" style="box-sizing: inherit;">"Name"</span><span style="box-sizing: inherit;">: </span><span style="box-sizing: inherit; color: rgb(162, 252, 162);">"Maquoketa River"</span><span style="box-sizing: inherit;">,
      </span><span style="box-sizing: inherit;">        </span><span class="hljs-attr" style="box-sizing: inherit;">"WBType"</span><span style="box-sizing: inherit;">: </span><span style="box-sizing: inherit; color: rgb(162, 252, 162);">"River"</span><span style="box-sizing: inherit;">,
      </span><span style="box-sizing: inherit;">        </span><span class="hljs-attr" style="box-sizing: inherit;">"ADBCode"</span><span style="box-sizing: inherit;">: </span><span style="box-sizing: inherit; color: rgb(162, 252, 162);">"01-MAQ-14"</span><span style="box-sizing: inherit;">,
      </span><span style="box-sizing: inherit;">        </span><span class="hljs-attr" style="box-sizing: inherit;">"html_url"</span><span style="box-sizing: inherit;">: </span><span style="box-sizing: inherit; color: rgb(162, 252, 162);">"https://programs.iowadnr.gov/adbnet/segments/14"</span><span style="box-sizing: inherit;">
      </span>      }

API v1 Release - 31 Oct 2023

• Initial Release
• API has been stable for quite some time, so we felt it was time to remove the tentative notice and provide our first release.