Query by Drainage (8-digit HUC)

Select the state that contains the drainage you are interested in.

Image of State
Image Map courtesy of EPA's Surf Your Watershead program Washington Idaho Oregon Montana North Dakota Minnesota Wisconsin Michigan Michigan New York Maine California Nevada Utah Arizona Wyoming Colorado South Dakota Nebraska Kansas Iowa Illinois Indiana Ohio Pennsylvania West Virginia Kentucky Missouri Oklahoma New Mexico Texas Arkansas Louisiana Virginia Tennessee North Carolina South Carolina Georgia Alabama Mississippi Vermont New Hampshire Massachusetts Rhode Island Connecticut New Jersey Deleware Maryland District of Columbia Puerto Rico Hawaii Alaska Florida noShape


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/18/2024].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.