In Sleeping Beauty , the fairy who wasn't invited to the christening exacted vengeance by putting the princess to sleep for 100 years. In government processes, univited individuals, organizations, or governmental entities can exact vengeance by putting your process to sleep or killing it altogether. The fundamental premise is that we are all in this together. An effective decision process includes many other players besides those in Reclamation and other government agencies.
Participants make or break the decision process.
Contact them early . If no one cares enough to solve the problem, then the problem won't be solved, no matter how pressing it is. Keep communication lines open at all times. Keep a list of participants and keep them informed of major developments. Without participation, there is no ownership.