What is storm water?
Storm water is water that originates during precipitation events. Storm water that does not soak into the ground becomes surface runoff, which either flows directly into surface waterways or is channeled into storm drains, which eventually discharge to surface waters without any treatment in the San Diego region.
Urban storm water runoff can become contaminated when it comes in contact with many kinds of man-made materials and conveys these pollutants directly to our creeks, lakes, bays, and beaches.
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