"Coliform bacteria are present at high levels in urban runoff."

The river suffers pollution from agricultural and urban runoff.

Learn how to protect water quality from urban runoff.

Learn how low impact development can reduce urban runoff and improve water quality.

Assessing the amount of pollutants being released by a particular source, such as wastewater or urban runoff.

The mission then was to educate local residents about the dangers of urban runoff to human health and the environment.

The stream receives some urban runoff from the residential communities higher in its watershed.

Educational programs can also be an effective tool for managing urban runoff.

Downstream of that dam, the river gathers further urban runoff before finally making it into the Pacific.

The first flush from urban runoff can be extremely dirty.