Had a flood yesterday...

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Had a flood two years ago in my raised ranch due to my town's drainage system, with water rising as high as 8 inches downstairs. Since then, have had drain tile installed, rigorously maintained my outdoor drains, and the town installed a new drainage system on my street.
Just had another flood yesterday evening. Granted, it wasn't nearly as bad (not all rooms had standing water, the ones that did only had about an inch or less). Currently have three air movers and three dehumidifiers going on full blast (one of each piece is an industrial strength rental from Home Depot).
I'm sitting here waiting another two hours before I can call my insurance company. The last time this happened, the adjuster tried his best to not cover us, until as luck would have it I received a call from the town prosecutor just as he was about to leave. Hearing that, the adjuster suddenly had a change of heart, and agreed to pay us out.
I'm dreading making this call, because I know they're going to try to pull the same shit again. I've got a lawyer I can contact in a worst-case scenario, but I don't want to get dicked around again. What do I do when this guy (probably the same guy as last time, same company) tries to deny me compensation again?
tl:dr- Tips on getting an insurance company to pay for coverage.