Stormwater runoff, sometimes called storm sewer is..
- rainfall that does not soak into the ground, but instead flows over the land into these surface waters.
important to replenish our water supply, but can also harm our watersheds if pollutants are collected along the way.
naturally occuring, but as development and the amount of impervious surface such as rooftops, roads and parking lots increase in a watershed, the natural capacity of the soil and vegetation to filter and take up rainfall decreases, and more rainfall becomes stormwater runoff.
Stormwater IS NOT …
- going to the Wastewater treatment plant.
Wastewater, sometimes called sewage is…
- water that has been used by homes, industry and business that must be treated before it is released back into the environment.
- is either transported by a sewer system, called a sanitary sewer to a wastewater treatment plant, or it is treated onsite within a self-contained septic system.
Wastewater is NOT…
- stormwater runnoff .
- returned to the environment without treatment.