Watershed Mapping Iowa DNR Interactive Mapping Website- Watershed Atlas To find your watershed, go to the Iowa DNR Interactive Mapping Website, http://www.iowadnr.gov/mapping/index.html. Scroll to the bottom of the page and click the Watershed Atlas link. 1. When the Watershed Atlas has finished loading, locate the map legend along the left side of the page. 2. In the legend under the Basins folder (click on the folder if it is not open to open it), select the Watershed: 12 Digit HUC button. 3. In the legend under the Geographic folder (click on the folder if it is not open to open it), select the Section (PLSS) button. 4. Click on the red ‘Go to Legal’ pin from the horizontal menu along the top of the webpage (located under the Iowa DNR Interactive Mapping logo). 5. Enter the legal description of a section where your farm is located in the box above the map. The legal description must be in the format 82 2e 5 -or- 100 13w 14. 6. Click on the ‘Find Legal Description’ button and the section within your watershed will be highlighted on the map. 7. Use the zoom features from the horizontal menu to explore your watershed. Example Watershed (HUC 12) Legal Description Lyons Creek 88 25w 4