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ENVIRONMENTAL OVERVIEW Hazardous Materials, Pollution Prevention, and Solid Waste. Construction associated with the project could generate solid waste. Waste would be handled and disposed according to federal, state, and local rules and regulations. Water Resources. The project has the potential to affect water resources, specifically wetlands, surface water, and groundwater. The rehabilitation and relocation/reconfiguration of the taxiways has the potential to affect wetlands. The Airport would be responsible for having these wetlands officially delineated in order to determine the regulatory agency with jurisdiction over the wetlands, and the appropriate mitigation for potential effects. Assuming that the wetlands are regulated by the U.S. Army Corpsof Engineers, the Airport would be responsible for obtaining a nationwide permit or individual permit, depending on the extent of the potential impacts. With regards to surface water and groundwater, the project would increase impervious surface. The increase in impervious surface would increase the volume of stormwater runoff; however, the existing stormwater drainage system is anticipated to be able to accommodate the increase in stormwater runoff. Because the project would disturb over one acre of land, the Airport would be responsible for obtaining a NPDES construction permit prior to the start of ground disturbing activities, and all construction activities would be required to comply with the provisions set forth in that permit. The project would not affect Section 4(f) resources; farmlands; historical, architectural, archaeological, and cultural resources, land use, noise and noise-compatible land use; socioeconomics, environmental justice, and cenvironmental health and safety risks; visual effects; or floodplains because it would not increase the number of aircraft operating at the Airport, change current runway use, relocate residences or businesses, or require land acquisition. The construction, repair, reconstruction, resurfacing, extension, strengthening, or widening of a taxiway can be categorically excluded under FAA Order 1050.1F, paragraph 5-6.4(e), provided that the project would not cause significant erosion or sedimentation, would not cause a significant noise increase over noise sensitive area, or cause significant impacts to air quality. Because the project would not increase the number of aircraft operating at the Airport or significantly change the airfield configuration (e.g., runway analysis, the potential air quality effects are not expected to be significant, and adherence to NPDES permit provisions would minimize erosion and sedimentation effects. For those reasons, a CATEX is anticipated to be the appropriate NEPA documentation for this project. 7.3.1.8 Terminal Area and Landside Facility Improvements It is recommended that the Airport group the following projects in a single NEPA document: » New Rotating Beacon and Removal of Old Beacon » Landside Roadway, Parking, and Rental Car Improvements » New Landside Equipment and Materials Storage Facility » Mitigate Asbestos in Old Terminal ATCT » Demolish Old ATCT, Old Landside Equipment/Materials Storage, and Friendly Hangar EUGENE AIRPORT MASTER PLAN 7-13