There is currently an effort in California to develop a statewide program to fight the advance of zebra mussels. A zebra mussel detection dog trainer, Debi DeShon, recently shared this information with Iowa Great Lakes residents.
This link will take you to a copy of the resolution by Lake County to declare a state of emergency.
http://www.stancounty.com/bos/agenda/2011/20110830/Corr01.pdf