NORWALK -- Between 2004 and 2009, filters installed in 275 SoNo catch basins prevented tons of debris and pollutants from entering Norwalk Harbor, according to Director of Public Works Harold F.

The EnviroSafe modular stormwater catch basin filter system offers filtered flow rates up to 110 gpm and a high antimicrobial capacity. Can retrofit most existing flat-grate or combination curb-grated ...

Sweep leaves, garbage and debris away from the grate so stormwater can flow freely to the basin. The best time of year to ...

A stewardship group in Sudbury, Ont., has installed eight catch basin filters on local waterways that have collected 31 kilograms of garbage so far. A catch basin consists of a grate and a drainage ...

The city will begin installing 97 catch basin filters in storm drains today to reduce the amount of heavy metals, petroleum products and bacteria entering ocean waters, officials said. Public works ...