PLACEMENT: Public Hearings
TITLE:
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PUBLIC HEARING TO CONSIDER ADOPTION OF AN ORDINANCE AMENDING DIVISION 8 OF ARTICLE 4 IN THE LAND DEVELOPMENT REGULATIONS REGARDING MINING STANDARDS
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EXECUTIVE SUMMARY:
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The Board of County Commissioners is asked to consider adoption of an ordinance amending Division 8 of Article 4 of the Land Development Regulations to create Section 4.348 Mining Standards for mining operations. The ordinance was originally scheduled for consideration on June 22, 2021 but was continued to July 13, 2021.
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DEPARTMENT: Public Works
PREPARED BY: Name: Michelle Cullum, P.E.
Title: Development Review Administrator
REQUESTED BY: Frank Poma - Manager, Palm City Holdings, LLC
PRESET:
PROCEDURES: None
BACKGROUND/RELATED STRATEGIC GOAL:
Martin County received a request on behalf of Palm City Holdings, LLC to increase the allowable depth of excavation in a mining operation from twenty (20) feet to forty (40) feet below the water control elevation. The water control elevation is also known as the wet season water table.
Currently, Division 8 of Article 4 provides for a maximum lake depth of twenty (20) feet below the water control elevation. If the proposed excavation exceeds fifteen (15) feet below the water control elevation, then the applicant is required to provide soil and geological assessments that fully address potential impacts upon the water quality of the aquifers and surrounding wells. This provision is found in Section 4.347.A.6 and is referenced below:
Section 4.347.A.6 Maximum depth. The depth of an excavated body of water shall not exceed twenty (20) feet as measured from the water control elevation to the bottom. For excavation proposed deeper than fifteen (15) feet below the water control elevation, the applicant shall provide soil and geological assessments that fully determine the subsurface soils and groundwater conditions, fully determine the proximity to the subsurface aquifers...
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