Did you need the NPDES permit ?
We are building a 3800 square foot house with long driveway, septic system, storm water drainage, and flagstone patio. We were just told by the builder that we may need a special permit from the US gov't because we may be over the one acre disturbance limit...anything pushing dirt around is a disturbance..grading the lot, etc.
I am freaking out because we were originally told this would not be necessary. Our engineering is about done and it will depend on what type of storm drainage system the township allows us to get by with. The permit is 8k and takes a few months. We've been waiting two years for a raw land development to get through the red tape...now to find this out is beyond frustrating. We should be in our home by now, but the red tape has drug on and on.