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4El�1� w Elk River Gravel Mmmgm Area PIm <br /> Rv <br /> Conclusion and Recommendations <br /> Given the size of the study area, and the significant investment needed for sewer, water, stormwater, <br /> and transportation to adequately serve the final land use scenario, a key recommendation from this <br /> study is to identify and prioritize needed investment by phases. Phase 1 is that area immediately <br /> available for development,where existing infrastructure can be used, analyzed, and expanding upon to <br /> adequately serve development. Phase 2 is an area that has completed mining operations, and therefore <br /> is available for future development, however, requires significant infrastructure investment. Phase 3 is <br /> the remaining portion of the site, which will not be done mining for at least 20 years. <br /> Rural Residential Development <br /> There is an opportunity for immediate residential development in the areas on the eastern side of US <br /> 169. Any development that is allowed without sanitary sewer service should be designed as a cluster <br /> development, with a community septic system.This will allow for immediate residential development <br /> and easy connection in the future, once utilities are available. <br /> Phase 1 <br /> Phase 1 is the area generally expected to develop first (in 0 to 15 years), and is shown outlined on Figure <br /> 17.This area is approximately 530 acres in size, and consists of 274 acres of urban residential and 256 <br /> acres of commercial and commercial/industrial flex space.This study anticipates the majority of the <br /> immediate demand for development to be low or medium density residential, but also acknowledges <br /> the desires of the community to have an industrial park area to provide jobs, tax base, and business <br /> expansion opportunities within Elk River.These 256 acres will accommodate approximately 679, 000 <br /> square feet of new commercial opportunity around the interchange of CSAH 33 and US 169, and almost <br /> 2 million square feet of commercial or industrial development. <br /> Utilities <br /> Portions of this area can most likely be immediately served by the sanitary sewer pipes located in close <br /> proximity to the Phase 1 area, although further detailed study would clarify the exact amount of <br /> capacity and the exact location to access that trunk line. When upgrades were made to the Waste Water <br /> Treatment facility, the majority of Phase 1 was included in the capacity calculations, making Phase 1 the <br /> most feasible for immediate development without the need to increase capacity at the facility. Given its <br /> location on a portion of high elevation, it is possible this area could be served by gravity sewer with no <br /> lift station needed. However, it should be noted that the capacity of the sanitary trunk lines that serve <br /> this area was planned to provide capacity to future development to the west of the study area. <br /> Should development occur to the west prior to development in the study area, the following <br /> improvements may be needed to adequately provide utilities to Phase 1. More detailed study will be <br /> needed as development is proposed. <br /> • A trunk line extension from the wastewater treatment facility extending from the existing Waste <br /> Water Treatment Plant to the Phase 1 area. <br /> 51 <br />