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13. Water Use • a. Will the project involve the installation or abandonment of any wells? _Yes _x No For abandoned wells give the location and Unique well number. For new wells, or other previously unpermitted wells,give the location and purpose of the well and Unique well number(if known). The project will not involve the abandonment of any wells. b. Will the project require an appropriation of ground or surface water(Including dewatering)? _x_Yes_No If yes, indicate the source,quantity,duration,purpose of the appropriation,and DNR water appropriation permit number of any existing appropriations. Discuss the impact of the appropriation on ground water levels. Lake Orono, an impoundment of the Elk River, will be dewatered from 8/1/98 to 10/31/98 to allow for the removal of sediment. The lake is approximately 1,270 ac. ft., but the Elk River will continue to flow through it during the project. The entire project, including the dewatering, will be covered under a single DNR Protected Waters Permit. The USACE and MPCA will also consider the dewatering in their permits. The effects on ground water from the dewatering will be temporary and in the immediate vicinity of the lake shore. When the lake is brought back to its normal water level ground water levels will also be restored. • C. Will the project require connection to a public water supply? _Yes _x_No If yes, identify the supply,the DNR water appropriation permit number of the supply, and the quantity to be used. 14. Water-related Land Use Management Districts Does any part of the project site involve a shoreland zoning district,a delineated 100-year flood plain,or a federally designated wild or scenic river land use district? _x_Yes_No If yes, identify the district and discuss the compatibility of the project with the land use restrictions of the district. All of the land adjacent to the lake is in the Shoreland Overlay District, because Lake Orono is a DNR Protected Water. The City of Elk River has adopted the DNR approved Shoreland Ordinance. No shoreland impact zones will be affect by the project and all other aspects of the project are compatible with the Shoreland District's restrictions. Portions of the disposal sites include land designated as floodfringe. No fill will be placed in the floodway. The project will comply with all floodplain restrictions. A conditional use permit with DNR review is required by both the City of Elk River's Shoreland and Floodplain Ordinances. An MPCA State Disposal System permit is also required. No land in a Wild and Scenic River District is involved with this project. _ •