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Parkway,approximately 1,600 feet south of Byron Road; and(2)in the southeastern comer of the Pombo property, approximately 900 feet east of Mountain House Parkway and 1,600 feet south of Byron Road.Two pond configuration options are also being considered: (1)an at-grade pond(fully below grade with the pond surface at grade); and(2)an above-grade pond(below/above grade with the tops of berms at 12 feet above grade). The existing view of the pond site as seen from Mountain House Parkway is provided as Viewpoint No. 2 in Figure 4.14-2.The specific location and cross section of each pond is shown graphically in figures in the Irrigation Feasibility Study for the Pombo Property,Appendix F of this Draft EIR. Regardless of the location and configuration options for the pond,the pond would adversely affect scenic vistas (i.e.,views of the farmland in the foreground and the distant Sierra Nevada in the background).Any such impacts on visual character and scenic vistas would be fleeting, as motorists on Mountain House Parkway would have their views affected for only several seconds while driving past the pond.Any such impacts would be temporary, lasting as long as the land disposal operation takes place(which is proposed as an interim operation,lasting only — until such time as river discharges commence associated with the Mountain House Wastewater Treatment Plant). The MHMP and MHCSD Design Manual set forth landscaping and edge treatment requirements along Mountain _ House Parkway that would soften the visual impact of the pond. Section 4.5(h)of the MHMP requires that roadway improvements to Mountain House Parkway occur consistent with the cross-sections identified for this roadway in the MHMP(Chapter 9,Figure 9.25).The same section also requires the provision of North/South Arterial Landscape treatments,including large canopy trees on either side and down the center median of Mountain House Parkway. Section 4.5, Implementation h,of the MHMP requires that landscaping plans that include walls, fences,trails,sidewalks,and a conceptual layout of trees, shrubs,and ground cover be submitted for this roadway.MHCSD Design Manual Chapter 3 requires plantings along Mountain House Parkway reminiscent of the agricultural orchards and windrows of the San Joaquin Valley,including columnar trees, groves of densely planted small flowering trees,and shrubs on both sides and down the center median of the roadway.MHCSD Design Manual Chapter 14 requires undesirable elements of public works facilities be screened through the use of plantings or berms. These requirements would soften the visual impact of the pond regardless of the location and configuration options implemented. As discussed above,the visual character and scenic vista impacts of the pond would be fleeting and temporary, and existing County landscaping and edge treatment requirements would visually soften and buffer views of the pond from Mountain House Parkway.However,because the segment of Mountain House Parkway adjacent to the r Pombo property is not proposed for improvement under the College Park project(i.e.,MHMP improvements to this roadway at this location would occur under Specific Plans I and II),there is no guarantee that the landscaping and edge treatment requirements for Mountain House Parkway would be implemented before development of the pond.Furthermore,the pond may be visible between the landscaping and edge treatments.A significant impact could occur. Mitigation Measure 4.14-2:Visual Quality—Alteration of a Scenic Vista from Mountain House Parkway. — The following measures shall be implemented by the College Park developers: ► If the landscaping and edge treatments required by the MHMP and MHCSD Design Manual have not been _ developed on the east side of Mountain House Parkway fronting the Pombo property by Specific Plans I or II at the time the proposed pond is developed on the Pombo property,the required landscaping and edge _ treatments on the east side of Mountain House Parkway in the vicinity of the proposed pond shall be installed by the College Park developers.This shall be done concurrent with development of the pond. ► If the aboveground pond option is developed,the west-facing pond berm shall be densely landscaped by the College Park developers. In addition,the berm shall be constructed by the College Park developers using contoured and rounded slopes to avoid angular face slopes.This shall be done concurrent with development of the pond. - EDAW College Park at Mountain House Speclic Plan III Draft EIR Visual Quality 4.14-18 San Joaquin County