Every time it rains some of the water enters the ground, but the rest of the precipitation runs off over the land surface directly into streams, rivers, and lakes. This is known as stormwater runoff and the land area that drains to these bodies of water is called a watershed. (For more information, see Stormwater 101.)
If left unchecked, stormwater can lead to flooding and polluted waterways. Johns Creek shares the Upper Chattahoochee watershed with Fulton County and 14 other counties surrounding Metro Atlanta, all of which use the water bodies in this watershed for both drinking water and recreation.
Everything that happens in this watershed – development, pollution, erosion, flooding – has the potential to affect the health and stability of our water, so proper stormwater management and watershed protection is essential.
To ensure water quality in the city is maintained and enhanced, negative stormwater impacts are minimized, and state and federal requirements are satisfied, the City of Johns Creek has developed a coordinated Stormwater Management Program (5.6 MB) using a variety of methods: