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Storm Drain
Storm Drain Functions
Storm drains are designed to take excess stormwater from paved streets, parking lots, and sidewalks. Stormwater is water from rain, snow, sleet, or hail that flows across the ground and pavement or is created when snow and ice melt. The water seeps into the ground or drains into the storm drain system. The storm drains consist of inlets, basins, sumps, and detention ponds. Collectively, the draining water is called stormwater runoff and is a concern in all areas of Highland City, including residential and commercial areas of our City, because of the pollutants it carries.

Sources of Stormwater Pollutants
According to the Environmental Protection Agency (EPA), 40% of our nation’s waterways remain polluted and stormwater runoff is a leading source. Stormwater pollution can occur when it rains or as oil, salt, litter, soil, fertilizer, and pesticides are washed into nearby street drains. The stormwater eventually finds its way into our water system and our ground water where we pump out our drinking water. 

Highland City's Drains
Highland City has two types of storm drains. The northwest area has the typical storm drain pipes that allow water to flow into a detention pond system and into Dry Creek. The rest of the City has a sump system, which means the stormwater flows into perforated pipes that then allow the water to percolate into the ground.