Makes sense although I know Andy would love to be there when the local district submits the bill to the feds and they blow their nose on it.Just to be clear, that mosquito thing is limited to the state-run WAs. The federal refuges (Sacramento, Delevan, etc.) have no such issue to deal with.
State vs. Fed. areas is really East vs. West of the river. All the state stuff is on the East side in an almost continuous band along Butte Creek. According to Andy, the mosquito abatement district has sued Gray Lodge to prevent spring flood up for retuning migratory birds. All the state's area's poor production has a region wide effect East of the river.
I don't know why Sacramento and Delevan do so poorly if it isn't subject to abatement district's water and vector controls. They don't cut anything on those areas and haven't for decades. It's got to be that they keep them dry in the spring.