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Stormwater Management
What is Stormwater?
Stormwater is the runoff from rainfall and snow melt.  In undeveloped areas of Cass County, such as pastures, grasslands, forest and other natural areas, much of the rainfall and snow melt soaks into the ground.  Vegetation helps to slow run off, allowing the water to seep into the ground.  In urban areas, however, buildings, streets, parking lots, sidewalks and other impervious surfaces do not allow water to soak into the ground.  This causes both increased amounts of run off and faster flow.  Along the way, runoff can pick up pollutants such as fertilizers and pesticides from yards, motor oil from leaking cars, pet waste, and loose soil from construction sites.  This can cause downstream waterways to become choked and polluted. Stormwater drainage systems then become important tools to protect the quality of our water and prevent flooding.

What is Stormwater Management?
Stormwater management is the process of controlling and processing runoff so it does not harm the environment or human health.  It is an important tool used to prevent water pollution. 

How does Harrisonville manage its Stormwater?
Harrisonville has a Municipal Separate Storm Sewer System (MS4) which is any system where the stormwater is conveyed separately from the sanitary sewer system.  A great variety of natural and manmade structures and land forms are used to construct an MS4.  These may include inlets, pipes, earth berms and ditches, box culverts and catch basins, grass or concrete channels and culverts under roadways.  Any of these structures can be used to carry stormwater out of developed areas of our city. 

In Harrisonville, the stormwater management program is part of the Public Works Department.  The contact person is Eric Patterson, Director of Public Works, 816-380-8964.

Additional Resources
Learn more about stormwater management and the need to protect our watershed with these educational materials.

Storm Drain Stewardship
Builders Fact Sheet
Wash Your Car the Right Way
Use Lawn Chemicals Wisely
Making and Using Compost
Protect Our Streams
Pick Up After Your Pet

Healthy Yards, Healthy Communities
Freddy the Fish -- Good for children!