Stormwater OutreachPerson filling glass of water from a rush of clear water

Community outreach and public information play a vital role in the success of the Stormwater Program. Since stormwater collected in streets and catch basins flow untreated to our waterways, let's prevent pollution at the source. 

Waterways become polluted when used motor oil, antifreeze, paints, fertilizers, pet waste, soapy water, and pesticides wash into the storm drains – the number one source of pollution in our nation’s urban waters. Storm drains were designed to collect only rain and clean water runoff to prevent flooding during storms. 

Quick Tips for Clean Stormwater 

  • Never dispose of leaves, grass clippings, trash, oil, paint, chlorinated (pool) water, or other pollutants into gutters or street catch basins.
  • Rake leaves, dirt and debris from the front house gutter to prevent clogs and flooding. 
  • Never place filters or screens over storm drains. This can lead to clogs and flooding. 

Stockton Municipal Code (SMC) 8.04.210 prohibits the deposit of any recyclable material, green waste, garbage, rubbish, or waste matter on any street, alley, gutter, park or other public way, vacant lot, water or waterway, or levees.

We can all do our part to keep our local sloughs, rivers, and Delta free of debris and pollutants. 

Tips for Businesses

Tips for Residents

Volunteer Opportunities

Stream Clean-up

Join volunteers – from local high schools, colleges, Friends of Smith Canal, Friends of Five Mile Creek, Friends of the Calaveras River, Little Friends of Duck Creek, Boy Scouts, and others – for stream cleanup projects. Organize a class project, a civic group or club outing, or just gather concerned neighbors for a few hours to clean a waterway near you. 

California Coastal Cleanup

Join thousands of volunteers who participate in the annual California Coastal Cleanup on the third Saturday in September. For the last six years, more than 500 Stockton residents, students and businesses have participated in this annual cleanup event along community waterways.

Stenciling Program

With more than 20,000 storm drains in Stockton, stenciling storm drains with "No Dumping - Flows to Delta" reminds people what goes down all those drains.

  • The Stormwater Management Program provides paints, stencils, and a map of Stockton's storm drains for groups and individuals.
  • Take a day, a week, or as long as you need to stencil as many drains as you’d like.
  • If you or your group stencils 100+ drains, you receive special community recognition from the Mayor at a City Council meeting. 

Stormwater Pollution Prevention Educational Material

Ask about this free 35-minute interactive program, designed to meet the science component of the California Content Standards for fifth grade students. Choose the full presentation or just print materials for classroom use.

The program includes:

  • Brief video presentation
  • Stormwater activity booklet and sticker
  • Classroom packet of water information and supplies
  • “Go With the Flow” stormwater video

Students gain a better understanding of the wastewater treatment process and similarities to the way nature cleans our most valuable resource... water.

Community Presentations

Representatives from the Stormwater Outreach Program can speak  at community gatherings on pollution prevention. Great learning experience for students, employees, church parishioners, civic groups, or club members.

  • View a watershed model display, PowerPoint presentation, or just a short overview.
  • Learn how storm drains work and how pollution gets from our streets and neighborhoods into surrounding waterways.

Earth Day Festival

Each April, the City joins the Peace and Justice Network to sponsor the annual Earth Day Festival at Victory Park. More than 70 vendors provide educational material, interactive displays, music, crafts and information on environmental awareness.

News and Information

Learn more about volunteer programs. Contact the Stormwater Outreach Coordinator.


External Links

Our Water, Our World - Manage pests while protecting our water

River of Words -  Additional educational materials

San Joaquin County Household Hazardous Waste

This City of Stockton web page last reviewed on --- 4/5/2019