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WHAT IS STORMWATER

Stormwater is the flow of water that results from precipitation and which occurs immediately following rainfall or as a result of snowmelt.

When a rainfall event occurs, several things can happen to the precipitation. Some of the precipitation infiltrates into the soil surface, some is taken up by plants, and some is evaporated into the atmosphere. Stormwater is the rest of the precipitation that runs off land surfaces and impervious areas (hard, nonporous).

Stormwater discharges are generated by precipitation and runoff from land, pavements, building rooftops and other surfaces. These hardened surfaces are called ‘impervious surfaces’ and they do not allow rainfall to infiltrate into the soil surface like natural vegetation, so more of the rainfall becomes stormwater runoff. Stormwater runoff accumulates pollutants such as oil and grease, chemicals, nutrients, metals, and bacteria as it travels across land. Heavy precipitation or snowmelt can also cause sewer overflows that may contaminate water sources with untreated human and industrial waste, toxic materials, and other debris.

Why be concerned about Stormwater? Why be concerned about Stormwater? Stormwater runoff can have a number of impacts. As development and the amount of impervious surfaces increase, the natural capacity of the soil and vegetation to infiltrate and take up rainfall decreases, and more rainfall becomes storm water runoff. This can produce negative impacts by causing erosion of land areas and stream banks, by causing or increasing flooding and also by carrying pollutants to surface waters. As Leland grows, development increases. When more houses, roads and businesses are constructed, water has nowhere to go and can cause serious drainage, pollutant, and sanitation problems.

Town of Leland Stormwater Management

102 Town Hall Dr.

Leland, NC 28451

910-371-0148

Steven Spruill (Stormwater Administrator)

sspruill@townofleland.com

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