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I-35E Corridor AUAR Update April 15, 2020 Page 2 Figure 2 shows the studied land uses. Revised Scenario 2 This scenario has higher residential and commercial land use, with less industrial than Revised Scenario 1. It is still within the assumptions of the original AUAR. Table 1 provides a summary of this uses for this scenario. Figure 3 shows the studied land uses. 2030 Comprehensive Plan To address comments obtained during the AUAR Update comment period, the current 2030 Comprehensive Plan scenario has been included. This scenario is in conformance with the currently approved Comprehensive Plan. It is the lowest in terms of residential development, has slightly less commercial development, and similar industrial development anticipated to the other two scenarios. Figure 4 shows the 2030 Comprehensive Plan land use. Table 1: Summary of 2005 and 2020 AUAR Scenarios Land Use 2005 AUAR Scenarios (Old Scenarios) 2020 Scenarios (Revised Scenarios) Scenario 1 Revised Scenario 1 Residential (units) 2,237 4,888 Commercial (sf) 2,985,733 5,084,819 Industrial (sf) 11,175,035 12,817,289 Scenario 2 Revised Scenario 2 Residential (units) 5,715 7,403 Commercial (sf) 5,617,890 5,306,914 Industrial (sf) 9,570,045 10,053,499 Scenario 3 2030 Comprehensive Plan Residential (units) 8,659 2,455 Commercial (sf) 4,141,554 3,228,667 Industrial (sf) 5,829,722 10,128,296 Development timing is dependent on market conditions and is anticipated to continue over the next 5- 40 years. Some development has occurred within the study area as shown in Figure 5. Planned Infrastructure Development in the study area will require infrastructure improvements. The analysis for the stormwater, water, wastewater, and traffic have been updated as part of this AUAR Update to evaluate the revised scenarios. These analyses are included in the appendices. Stormwater: The stormwater analysis was updated based on the revised development scenarios. Additionally, rules and regulations have changed over the years regarding stormwater management in the study area since the original AUAR was completed. Stormwater will be required to be managed based on local, regional, and state water resource rules. The updated analysis indicates that runoff volumes will be reduced by approximately 70% compared to existing conditions based on implementation of stormwater management controls. This will also reduce downstream pollutant loading. Appendix B contains the stormwater management analysis.