Also, the first wastewater collection and treatment systems were built.

He also said the city's huge and complex treatment system "can't be changed overnight."

One problem is the ballast treatment systems are largely still under development.

It's time we expand our treatment systems and do a better job of providing services to those who need them.

"Philadelphia has a good treatment system, and they run it well," she said.

In others, the seller might offer a credit at closing to cover the cost of a treatment system.

But the Miljacka will be the source of the new $2.5-million treatment system.

"When the treatment system doesn't do a good job, you just fall back on that."

They also have a rainwater collection and treatment system to provide water for the school.

Another issue that troubles experts is how well the public treatment systems are managed.