A sand filter, or "filtration basin", is a stormwater quality treatment system that works by using a two-component clarification system: the first is a sediment forebay for settling large particles ...

A longtime battle to keep invasive zebra mussels in the West Branch Forest Preserve's Deep Quarry Lake in Bartlett from spreading to the adjacent West Branch DuPage River took an innovative twist ...

As an efficient, inexpensive, low-tech way to treat water, new research could bring clean, safe drinking water to potentially millions upon millions of people. As an efficient, inexpensive, low-tech ...