Storm Water Management Program
Storm Drain System
Pollution Sources
Pollution Prevention
Illicit Discharges
Urbanized Areas
Construction / BMP's
Links
Storm Water Quality Manual (PDF)
Storm Water Management Plan (PDF)
Dan Jennissen, Director
Pennington County
Planning & Zoning
315 Saint Joseph Street
Suite 118
Rapid City, SD 57701
Phone: (605)394-2186
Fax: (605)394-6016
E-Mail the Planning Director
Hiene H. Junge
Highway Superintendent
Pennington County
Highway Department
3601 Cambell Street
Rapid City, SD 57701
Phone: (605) 394-2166
Fax: (605) 394-2168
E-Mail the Highway Department
Storm Water is water from precipitation (such as rain or snowmelt), over-irrigation from sprinklers, wash water from hoses or hydrants, any other water that flows over the ground surface and enters a drainage way. This water picks up debris, sediment, nutrients, bacteria, and other pollutants that eventually flow, untreated, into creeks, streams and rivers. Impervious surfaces such as sidewalks, driveways, rooftops, and streets prevent storm water from soaking into the ground and therefore produce runoff.
As a result of federal regulations, referred to as the Phase II Storm Water Rule, storm water discharges from small Municipal Separate Storm Sewer Systems (MS4s) are required to obtain a storm water permit for their system. Pennington County was issued such a permit.
As part of the storm water permit, Pennington County is required to develop and implement a Storm Water Management Program. The program must address and implement the following control measures:
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