Stormwater Discharge
08/10/25
“What happens when stormwater runoff enters a regulated body?”
Stormwater runoff is the water from rain that flows over the ground instead of seeping into it. Some of this rain may enter a regulated body, such as a stream or a storm drain. This water, known as Stormwater Discharge, may contain pollutants it picked up during its journey on the surface. Infrastructure operators should treat stormwater or prevent it from getting polluted before it enters water bodies. Engineers and planners must design public facilities around predicted peak stormwater discharge values and holding times.
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