12.060 Infrastructure Provision and Environmental Criteria

(Amended 4/11/00; 4/22/03; 2/28/06) Table 12.230, accompanying this Section identifies the public improvement and service requirements for the creation of all buildable lots located within the City. Subsections 12.060-Athrough K add explanatory material accompanying Table 12.230 and other supplementary requirements for the creation of lots eligible for the issuance of a building permit, as follows: A. Air Quality. Developments that produce emissions to the air shall demonstrate compliance with all State and County air quality standards, as evidenced by the issuance of any permits required for their emissions by the State of Utah and Utah County. B. Culinary Water Supply. Connection to the City culinary water system is required if City water lines are within 500 feet of any part of the subject property for all developments, except for individual subdivision lots with a minimum lot size of three acres, or larger. For properties proposed for subdivision, the applicant shall add an additional 250 feet for each lot in the subdivision. C. Irrigation Water. All developments except individual subdivision lots with a minimum lot size of three acres are required to provide a pressurized irrigation system meeting the requirements and standards as contained in the Lehi City Design Standards and Public Improvement Specifications. D. Water Quality. Developments that produce any point or non-point source discharge to any watercourse shall demonstrate compliance with all State of Utah water quality standards, as evidenced by the issuance of any permits required for their discharge by the State of Utah and Utah County. E. Watershed Protection. In all developments, no use or structure shall be permitted within 1500 feet above and 100 feet below each spring or well used for culinary use or public water supply, where such use or structure could pollute the water source. F. Sewage Disposal. Connection to the City sewer system is required if City sewer lines are within 300 feet of any part of the subject property. For properties proposed for subdivision, the applicant shall add an additional 150 feet for each lot in the subdivision. All developments are required to install sewer main lines with service laterals to each lot or development parcel, located in a street right-of-way regardless of whether or not connection to the City sewer collection system is required. Properties not required to connect to the City sewer system and proposing a private sewage disposal system shall comply with all applicable Utah County and State of Utah regulations prior to applying for development approval to Lehi City. G. Provision of Water and Sewage Service. All proposed private water supply and sewage disposal facilities shall comply with the applicable rules and regulations of Utah County and the State of Utah Health Department. No permit shall be issued until the plans for the private water supply and sewage disposal facilities have been approved by Utah County, or the State of Utah Health Department, as applicable. This provision shall in no way abrogate other provisions requiring connection to a public water supply or sewage disposal system as contained in Sections 12.060(B) and 12.060(F). H. Transportation and Circulation Improvements. 1. Roads and Streets. All development areas shall provide the necessary and required road and street right-of-way as identified by the Transportation and Circulation Element of the Lehi City General Plan and Streets Master Plan. All road and street improvements and construction shall comply with the design and construction standards as identified in the Lehi City Design Standards and Public Improvement Specifications. 2. Sidewalks. Sidewalks, pedestrian systems, and trails, as required by the Lehi City Bicycle and Pedestrian Master Plan, are required in all development areas except individual subdivision lots with a minimum lot size of three acres and shall be designed and constructed to the standards as identified in the Lehi City Design Standards and Public Improvement Specifications. 3. Curbs and Strip Paving. As required by the City Engineer, Zoning Administrator, Reviewing Departments, Planning Commission, or City Council. I. Revegetation/Erosion Protection/Runoff Control. Development plans shall preserve existing vegetation to the fullest extent possible, shall provide for prompt revegetation or erosion protection measures, and shall provide for surface water runoff control in accordance with the Lehi City Design Standards and Public Improvement Specifications. 1. Developers may use, and the City may require, a variety of conservation techniques to limit soil loss. Such techniques shall be presented in a professionally prepared Grading and Conservation Plan accompanying the development application. 2. All developments shall minimize the area disturbed by construction activities at any given time, particularly cuts and fills associated with road construction. Phased site grading and stabilization or revegetation shall be part of the Grading and Conservation Plan 3. Cut and fill slopes. All cut and fill slopes in excess of 3:1 shall be stabilized and revegetated, as evidenced in a professionally prepared Grading and Conservation Plan accompanying the application for a development permit. J. Wildlife Habitat. Any development that has the potential of adversely affecting critical wildlife habitat or fisheries, as evidenced in writing by the Utah Division of Wildlife Resources or other authoritative source, shall take all reasonable steps to minimize such impacts. K. Critical Areas. Critical Areas include areas described in this subsection and areas identified on the Critical Lands Map of Lehi City. All development or construction activity, including tree or vegetation removal, grading, excavation, filling, or drainage within critical areas is prohibited except as otherwise provided in this subsection, and with the exception of required public utilities or necessary roads and streets as determined by the Lehi City Engineer. 1. Steep Slopes. Slopes exceeding 30 percent or greater. In order to preserve the natural terrain and vegetation of the hillside areas, no development, structures, buildings or impervious surfaces shall be allowed on any lands with a slope of 30 percent or greater unless otherwise recommended by the Planning Commission and approved by the City Council. For developments that are adjacent to, or include areas of steep slopes, or that may be impacted by landslide potential, the City may require dedication of a slope easement. 2. Floodplains. All areas within a 100-year floodplain as mapped for the Federal Flood Insurance program or by Lehi City. All development structures, buildings or impervious surfaces shall be required to comply with all requirements for construction in a flood plain as required by a Federal or State agency and the requirements of the National Flood Insurance Program (elevation Certificate) for construction within a flood plain. 3. Wetlands. All areas identified as a designated wetland by the U.S. Army Corps of Engineers. Development requirements: (a) as allowed and required by the U.S. Army Corps of Engineers; and (b) for the purposes of calculating density applicable to wetland areas, as determined by the U.S. Army Corps of Engineers, no density is applicable to any wetland areas. At the option of the city, lot lines may extend into wetland areas as allowed by the U.S. Army Corps of Engineers. 4. High Water Level of Utah Lake. The high water level of Utah Lake is identified by the Utah County Surveyor and Utah County Engineer at 4,495 feet above sea level. No development, structures, buildings used for human occupancy, or impervious surfaces shall be allowed on any lands below the high water level of Utah Lake unless otherwise recommended by the Planning Commission and approved by the City Council. The high water level of Utah Lake shall include: (a) any lands whose surface water drains into Utah Lake; and (b) any lands within 1,500 feet of Utah Lake along the Jordan River.