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

Hỏi. Where is the substance being dumped?
Đáp. Storm Sewer

Hỏi. Do you know the responsible party that's dumping?
Đáp. Yes

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

Hỏi. Is the dumping still in progress?
Đáp. No