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Water Quality

Urban runoff is the leading cause of water pollution in creeks and the San Francisco Bay today. The City’s Clean Water Program works to prevent water pollution from urban runoff within our jurisdiction. 

Homeowners and landscape professionals can learn about sustainable landscaping to reduce pesticide toxicity in our waterways and environment from Bay-Friendly Landscaping and Gardening, now known as ReScape California.

Walnut Creek regularly inspects a variety of businesses to ensure that they are complying with the policies and regulations to protect the storm drains and creeks. Typical businesses that are subject to stormwater inspections include restaurants, transportation facilities, auto repair shops, construction sites, and other types of light industries and services that have the potential to pollute stormwater runoff.  Learn how you can certify your business as a Green Business.