P. What is being dumped into the drainage system?
R. Concrete bags and large dense clay mud

P. Where is the substance being dumped?
R. Storm Sewer

P. Do you know the responsible party that's dumping?
R. Yes

P. If yes, give name and any contact information.
R. The contractors who recently erected the connecting and neighboring buildings. Their debris is covering or clogging the drain. Their neglect is the violation

P. Is the dumping still in progress?
R. No