A lot of us on this forum like to think we know a lot. There is certainly a lot of experience here. Some good, some not so good, some that proved to be a learning experience. Sometimes expensive!
When you have exhausted all the free research options I would not give up until you have consulted a lawyer and concluded that there is no hope for a change.
Sometimes (as much as I hate to pay them) they think of things or know of laws that could make a difference. There are a few lawyers in the area who specialize in waterfront permitting and regulations. They would be your best bet.
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