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Pollution Prevention

People's lifestyles can contribute to pollution of water resources. Rain and excess water from home use (over watering, car washing, etc.) flow down gutters, into pipes and to stormwater basins, canals, creeks, and in some areas, to the San Joaquin River.

This water contributes to groundwater recharge and ends up as part of our drinking water supply. That is why it's important to keep storm drains and stormwater clean. Pollution prevention is not just up to businesses, but individuals, too. There are well over half a million people in the Fresno/Clovis area and we all need to do our part to help keep stormwater clean.

Partners for a Clean Community

To make the most of available public outreach and education budgets, several local governmental agencies with similar or complimentary pollution prevention messages have been working together to promote pollution prevention among residents and businesses. Partner agencies are:

  • Caltrans
  • City of Clovis
  • City of Fresno
  • County of Fresno
  • Fresno Metropolitan Flood Control District

Click on the logo to view the Partners for a Clean Community landing page, which serves as a portal to pollution prevention information on each of their web sites and the 2012 series of Fresno Bee ads on pollution prevention.↓

Partners for a Clean Community


Here are tips on preventing stormwater pollution at home:

Maintain your vehicle

  • Inspect and maintain your car regularly to prevent/stop leaks.
  • Recycle used oil, antifreeze, and other fluids at an automotive center, or participate in curbside oil recycling. Click here for used oil recycling information in the City of Fresno or state-wide used oil recycling information.
  • Use absorbent kitty litter and sweep up leaks and spills. Dispose of the litter in garbage containers. Never wash spills into the gutter!
  • Reduce automobile use by carpooling, biking, walking, or riding the bus. When it rains, air pollution turns into storm water pollution! Info on Ridesharing

Be a smart gardener

  • Buy less toxic home and garden products. Learn about less toxic products and natural control methods (Integrated Pest Management - IPM) by visiting Our Water, Our World's web site at
  • Buy only the amount you need.
  • Follow product label instructions to avoid using too much.
  • Do not apply lawn or garden chemicals when rain is forecast.
  • Rinse lawn and garden chemical containers three times; each time, pour the rinse water into the applicator and use it in your last application of the product.
  • Give unwanted chemicals to someone who can properly use them, or take them to a household hazardous waste collection event.
  • Sweep sidewalks and patios, instead of hosing them down.
  • Compost leaves and clippings, or put them in the green waste bin.
  • Bag animal waste and put it in the garbage.

Conserve water in your yard

  • Over watering your landscape wastes water and can carry garden chemicals such as weed killers, pesticides and fertilizers off your lawn and into the storm drain system. Over watering also costs you money if you're already on a water meter.
  • Check your sprinklers monthly to make sure they're on the right seasonal schedule and that the system is working well (sprays are pointed at greenery and not the driveway or sidewalk, leaks are fixed and broken sprinkler heads are replaced).
  • Get for more information on water conservation in the City of Clovis and in the City of Fresno (para traducir información en español, consulte "Seleccionar idioma" menú desplegable en la parte inferior de la página). Para servicios de cliente de la ciudad de Fresno en español, por favor llame 621-5480.
  • How much water does your lawn really need? Find out how much water is right for your variety of grass.
  • Make plant choices and use water appropriately for our climate. Resources: 'Creating a Fresno-Friendly Garden', Water-Wise Gardening in the Fresno Region

Paint with care

  • Never wash paints or painting equipment residue into the street!
  • Water-based paint, rollers, brushes, and equipment must be rinsed in a sink.
  • Avoid oil-based paint.
  • Disposal - Unwanted oil-based paint, varnishes, and used thinner must be taken to a household hazardous waste collection event. Save and reuse thinner whenever possible. Empty and dry paint containers can be disposed of in the garbage. If you need to dispose of larger quantities of paint, visit for a list of retailers who will take care of it for you.

More things you can do

  • Reduce, reuse, and recycle!
  • Don't litter.
  • Volunteer to mark storm drains with "No Dumping" stencils. The District can supply everything you need. See Clean Storm Water Community Services for details.


Residential Landscaping Award Program: Central Valley Friendly Landscaping

Is Your Landscape Central Valley Friendly?Central Valley Friendly Landscaping

If your landscape uses the seven principles of Central Valley Friendly Landscaping, it could earn recognition as a community model of the beauty of environmentally friendly design and inspire others to protect and conserve the Central Valley’s resources.

Applications will be accepted until June 30. Download your residential or commercial/institutional application here.

Central Valley Friendly Landscapes - 7 Principles:

  1. Conserve water and ensure water quality
  2. Conserve energy and protect air quality
  3. Nuture the soil
  4. Reduce garden waste
  5. Practice Integrated Pest Management (IPM)
  6. Select appropriate plants
  7. Create and protect wildlife habitat

Learn more at

Storm Drain Stenciling
Label Directions