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Wastewater Treatment

WI-09 Wastewater Treatment

TermDefinition
stormwater water that comes from rain or melted snow and flows on roads and land
runoff water that flows over the ground, especially after rain, because it can't be absorbed into the soil
impervious surfaces hard areas, like roads and rooftops, where water can't soak in and instead flows off
gutters channels along the sides of streets (or roofs) that collect and carry away rainwater
sewage system underground pipes that take away dirty water and waste from homes and buildings
floodplain low areas near rivers or streams that can get flooded when there's a lot of rain
retention ponds ponds built to collect and store rainwater temporarily to prevent flooding and allow pollutants to settle
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