News Flash


Posted on: November 22, 2019

Only Rain in the Storm Drain!

Photo of water with oil sheen going into storm drainMost people understand that they should not dump toxic substances like fuel, oil, antifreeze, and paint into storm drains. However, many are not aware that only rain should go into storm drains. All of the storm drains in the West Valley collect stormwater and carry the water to our local creeks and on to the San Francisco Bay without any water treatment. The storm drains on your street may be labeled “No Dumping Flows to Bay.”

Some less commonly known sources of water pollution include litter or trash, pesticides and fertilizers, soaps and heavy metals from vehicle washing, pet waste, soil from construction sites. Everyone can help prevent pollution from entering our local creeks and waterways:

  • Use reusable bags, containers, straws and utensils to reduce litter.
  • Place trash and recyclable items in garbage or recycling containers and ensure lids to containers and dumpsters are closed.
  • Plant native plants that are naturally pest resistant and drought tolerant.
  • Minimize pesticide and fertilizer use, don’t apply before rainstorms and don’t over water.
  • Wash your car at a commercial car wash or wash on a landscaped area.
  • Pick up after your pets and properly dispose of it.
  • Report spills or discharges of anything other than rain by calling the West Valley Clean Water Program Authority’s hotline at 408/354-5385 or report spills online at

Remember, only rain in the storm drain!

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