If you are reporting an emergency situation that will result in imminent and substantial danger to the health and safety of persons, disregard this form. Please call 911.
Report a Problem
If you witness anything other than rain water entering a storm drain, please use this online form to submit a report the incident. The information that you provide will help us maintain the health of our creeks and Bay. It is the policy of the City of Walnut Creek to keep the identity of complaining parties confidential.