wastewater

The allegation concerns hydrocarbon releases from the wastewater system at the unloading facility.

A lot of older cities have sewer systems that take rainwater, sewage, and industrial wastewater in the same pipe.

Using proven wastewater recycling technology will solve this problem; Israel already recycles 85 percent of its wastewater.

Let's dispose of the most intact system first: the water and wastewater programs.

They determined that every area from aviation to roads to wastewater needed serious attention.