Relationship To Sanitary Sewer Systems
Storm drains are separate and distinct from sanitary sewer systems. The separation of storm sewers from sanitary sewers helps to prevent sewage treatment plants becoming overwhelmed by infiltration/inflow during a rainstorm, which can result in untreated sewage being discharged into the environment.
Many storm drainage systems are designed to drain the storm water, untreated, into rivers or streams. Many local governments conduct public awareness campaigns about this, lest waste be dumped into the storm drain system. In the city of Cleveland, Ohio, for example, all new catch basins installed have inscriptions on them not to dump any waste, and usually include a fish imprint as well. Trout Unlimited Canada recommends that a yellow fish symbol be painted next to existing storm drains.
Read more about this topic: Storm Drain
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