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Construction Site Runoff Control


According to the EPA Fact sheet on Construction Site Runoff Control, “Sediment runoff rates from construction sites are typically ten to twenty times greater than those of agricultural lands, and one thousand to two thousand times greater than those of forest lands. During a short period of time, construction sites can contribute more sediment to streams than can be deposited naturally during several decades. The resulting situation, and the contribution of other pollutants from construction sites, can cause physical, chemical, and biological harm to our nation’s waters.”

Construction sediment flows into an uncovered storm drain.
Figure 1: Cause [Contractor flushes newly installed hydrant near an unprotected catch basin]
A local river is contaminated with excess levels of construction sediment.

Figure 2: Effect [Sediment plumb in a nearby trout stream]

U of M construction projects are required to have temporary and permanent erosion and sediment control measures incorporated into the design. The construction documents must identify specific controls and locations as well as contractor implementation and inspection responsibilities. Additionally, any storm water discharge from a construction site must be visibly free of sediment.
Sediment can be controlled through the use of silt fences, biologs, sediment traps, check dams, and sandbag barriers. Erosion can be prevented using existing vegetation, mulch, sod, and geotextiles. In addition, sites should be kept free of loose trash and debris. 

Construction Storm Water Runoff Control Best Management Practices (BMPs) and Standard Operating Procedures (SOPs)

4a-1 Ordinance or other Regulatory Mechanism BMP Summary Sheet (2006)

4b-1 Construction Site Implementation of Erosion and Sediment Control BMP Summary Sheet (2006)

4c-1 Waste Controls for Construction Site Operators BMP Summary Sheet (2006)

4d-1 Procedure for Site Plan Review BMP Summary Sheet (2006)

4d-1 Construction Site Storm Water Runoff Control Permitted Construction Site MS4 SWPPP Review SOP (2015)

4d-1 Small Projects Construction Site Storm Water Runoff Control Project SW Control Requirements SOP (2015)

4e-1 Establishment of Procedures for the Receipt and Consideration of Reports of Storm Water Noncompliance BMP Summary Sheet (2006)

4e-1 Receipt and Consideration of Noncompliance/Receipt of SW Construction Complaints SOP (2015)

4f-1 Establishment of Procedures for Site Inspections and Enforcement BMP Summary Sheet (2006)

4f-1 Construction Site Storm Water Runoff Control Permitted Construction Site MS4 Inspection SOP (2015)

University of Minnesota Duluth Documents:

4f-1-Construction Site Storm Water Process UMD (2015)

Storm Water Pollution Prevention Plan Review Checklist (2015)

4d-1 Certification of Knowledge for SWPPP Team Members (2014)

Inspection Work Book PDF (2015)

University of Minnesota Documents:

Last Modified: 5/19/2016