If Hazardous Materials Enter Creeks
Call 1-888-510-5151
This number is NOT to report trash or other generic creek concerns nor incidents occurring outside of creeks.
For spills not entering creeks, please contact the appropriate agency listed in the table below.
Illegal Dumping/Discharges In or Near Storm Drains
Nothing besides clean water may be dumped or allowed to flow into a storm drain. Common examples of illegal discharges include pesticides, washwaters, sewage, automotive fluids, paint, construction materials and wastes, sediment and/or silt, and food wastes.
When do you report an illegal discharge or dumping incident?
- When you see a person dumping anything into the storm drain. This activity is illegal!
- When you notice unusual odors in or near the storm drain.
- When you see dumped wastes and materials in or near the storm drain.
- When the storm drain system has larger than normal flows during dry periods.
To report an illegal discharge or dumping incident, contact the member agency below in which the discharge or incident occurs.
| Agency | Phone |
| Campbell, Los Gatos, Monte Sereno, Saratoga | (408) 354-5385 |
| Cupertino | (408) 777-3354 (408) 299-2311 After business hours, weekends, and holidays |
| Los Altos | (650) 947-2770 |
| Los Altos Hills | (650) 941-7222 |
| Milpitas | (408) 586-2420 or 911 |
| Mountain View | (650) 903-6378 |
| Palo Alto | (650) 329-2413 (24 hour support) |
| San Jose | (408) 945-3000 |
| Santa Clara | (408) 615-3080 (business hours) (408) 615-5580 (24 hour support) |
| Sunnyvale | (408) 730-7260 |
| Unincorporated Santa Clara County | (408) 918-4609 |
In case of emergencies or after business hours, please call 911 to report the incident.