Illegal dumping of toxins is a very serious felony, and unmanned cameras are proliferating. Since the neighbors are likely to be very vigilent, given the circumstances, it would be awfully risky for anyone to attempt this felony act.
Hey, I wouldn't even be in the state during condemnation proceedings, I'd let the lawyers handle it and try to ease my sorrows with a vacation. But I sure wouldn't bother defending a piece of property that the Almighty State was in the process of depriving me the use and enjoyment of.