Report illegal stormwater discharges

To report an illegal discharge into a sewer drain or storm drain, report it online through

Access Hayward

You may also report an illegal discharge into a sewer drain or storm drain by calling:

  • 510.881.7900 (Water Pollution Source Control) between 8:00 a.m. and 4:00 p.m. weekdays.
  • 510.293.7000 (Police Department non-emergency line) all other times.   

The following items are toxic to our bay. Please keep them away from your stormdrain.

  • Motor oil
  • Household chemicals and cleaning products, including soap to wash cars and dishes
  • Paint
  • Pesticides and fertilizer
  • Pet waste
  • Grass and yard clipping
  • Trash

The following items harm our Wastewater Treatment process. Please do not flush or pour down the drain:

  • Wipes or towels
  • Diapers
  • Medications
  • Fats, oil and grease
  • Household chemicals