Report a Spill

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
Los Altos (650) 947-2770
Los Altos Hills (650) 941-7222
Milpitas 911
Mountain View (650) 903-6378
Palo Alto (650) 329-2413
(24 hour support)
San Jose (408) 945-3000
(24 hour support)
Santa Clara (408) 615-5580
(24 hour support)
Sunnyvale (408) 730-7260
Unincorporated Santa Clara County (408) 918-3400

In case of emergencies or after business hours, please call 911 to report the incident.