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  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

USGS Surface-Water Daily Data for Iowa

Click to hide state-specific text

Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


! This page is undergoing modernization and will be decommissioned in the future.
Daily data are now available in WDFN and will be integrated in other pages soon. Learn more about decommission of NWISWeb.

Choose Site Selection Criteria
Choose from the following criteria to constrain the number of sites selected.   By default, the "Site-type" criterion is preselected below and will default to surface water on the following page.   If no additional site-selection criteria are chosen and no additional specifications are defined on the following page then output will be for all 338 surface water sites that have daily values data.

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