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2 Literature Review
Pages 8-18

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From page 8...
... . This situation led to federal legislation establishing regulations and permit requirements for construction projects to alleviate the potential pollution from construction activities entering into receiving waters at or near the site.
From page 9...
... The CGP provides regulations for properly discharging stormwater linked with construction site activities, thus ensuring compliance with permit requirements. Typically, these activities include the following: • Discharging stormwater runoff from earthwork construction operations, concrete batch plants, asphalt batch plants, equipment staging areas, materials storage yards, and materials borrow areas • Managing excavated materials disposal areas at, adjacent to, or near the permitted construction site that directly supports construction activities New Mexico DOT adheres to EPA regulations, since it does not have a regulatory agency of its own to administer the CGP.
From page 10...
... Figure 1.   New Mexico DOT CGP permitting process.
From page 11...
... The map includes site topography and drainage patterns along with the locations of the following components for stormwater management and E&SC: • Erosion and sediment control BMPs used at the site • Stabilized construction entrances and exits to prevent tracking sediment onto pavements
From page 12...
... The SWMP outlines the stormwater management procedures to use in accordance with MS4 permit requirements in order to reduce the potential discharge of sediment and pollutants into receiving waters (National Association of Clean Water Agencies, 2018)
From page 13...
... Texas DOT suggested that a viable approach to addressing this challenge involves implementing temporary and permanent water quality control measures at construction project sites if they are found to be discharging sediment into receiving waters. Best Management Practices and Erosion and Sediment Control Measures BMPs, also referred to as E&SC measures or control measures, are methods used to prevent or control construction stormwater runoff and discharge of sediment and pollutants into nearby receiving waters (EPA, 2024a)
From page 14...
... that indicates whether the project triggers an SWPPP or a water pollution control plan and where to find infor mation about BMPs for each of the steps in the flowchart. The manual also includes information about different permit requirements, SWPPP BMP requirements, minimum construction BMPs, and six categories of construction site BMPs.
From page 15...
... Non-stormwater management 6. Waste management and materials pollution control Inspections Adhering to permit requirements and following the SWPPP developed for a construction project requires regular inspections of BMPs and control measures at the highway construction site.
From page 16...
... The DEQ defines a qualified person as knowledgeable in the principles and practices of E&SC measures and pollution prevention and possessing the skills to assess conditions at the construction site that could impact stormwater quality. According to the Utah DEQ, qualified persons can be any of the following: • Utah Registered Storm Water Inspector -- State qualification • Utah Department of Transportation Environmental Control Supervisor -- State qualification • Certified Professional in Erosion and Sediment Control -- National qualification • Certified Professional in Storm Water Quality -- National qualification • Certified Erosion, Sediment, and Storm Water Inspector -- National qualification • Certified Inspector of Sediment and Erosion Control -- National qualification • National Institute for Certification in Engineering Technologies, Erosion and Sediment Control, Level 3 -- National qualification Utah DOT is required, at a minimum, to conduct site inspections of the BMPs and control measures installed and maintained by the contractor at least once every 7 calendar days or once every 14 calendar days and within 24 hours of the occurrence of a storm event of a half-inch or more, or the occurrence of runoff from snowmelt sufficient to cause a discharge.
From page 17...
... , WPCP (Water Pollution Control Program) Figure 2.   Caltrans construction site BMP applicability flowchart (Source: Caltrans, 2024)
From page 18...
... 3. Off-site pollution discharge: In this section, the inspector notes whether sediment discharge has been observed outside the project limits and whether these discharges have been found in state receiving waters.


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