Aquatic invasive species watercraft check stations in the Sheridan Region are operating with reduced hours as daylight hours wane. 

The check stations in Sheridan at the Travel and Tourism Center on 5th Street and at Lake DeSmet are closed. During weekdays, inspections can be scheduled at the Game and Fish Regional Office. 

The check station in Newcastle at the corner of U.S. Highways 16 and 85 is open daily from 7 a.m. to 5 p.m. daily through the end of November. 

The check station at the Northeast Wyoming Visitor Center near Beulah is open daily from 7 a.m. to 6 p.m. through November 7. Beginning Nov. 8, open hours will be 7 a.m. to 5 p.m.

The check station at Keyhole Reservoir is operating at Paradise Foods in Pine Haven with variable hours. Contact the Sheridan Regional Office for more information on hours of operation.

Wyoming law requires any watercraft entering the state from March 1 through Nov. 30 each year to be inspected for AIS before launching in Wyoming. Boaters can utilize private inspectors and certified inspection locations. If you will not encounter an open check station on your route, please contact the Sheridan Regional Office at 307-672-7418 to make arrangements for an inspection.

Watercraft last used on a water known to have invasive zebra or quagga mussels, must be inspected before launching in Wyoming during all months of the year.