Florence South

A Jurisdictional Dam is a dam creating a reservoir with a capacity of more than 100 acre-feet, or creates a reservoir with a surface area in excess of 20 acres at the high-water line, or exceeds 10 feet in height measured vertically from the elevation of the lowest point of the natural surface of the ground where that point occurs along the longitudinal centerline of the dam up to the crest of the emergency spillway of the dam. For reservoirs created by excavation, or where the invert of the outlet conduit is placed below the surface of the natural ground at its lowest point beneath the dam, the jurisdictional height shall be measured from the invert of the outlet at the longitudinal centerline of the embankment or from the bottom of the excavation at the longitudinal centerline of the dam, whichever is greatest. Jurisdictional height is defined in Rule 4.2.19. The State Engineer shall have final authority over determination of the jurisdictional height of the dam.辖区管辖大坝（Jurisdictional Dam）指满足以下任一条件的大坝：其一，所形成水库的库容超过100英亩-英尺（acre-foot）；其二，所形成水库在高水位线处的表面积超过20英亩；其三，从大坝纵向中心线上天然地面最低点的高程，垂直测量至大坝应急溢洪道顶部的高度超过10英尺。对于开挖形成的水库，或泄水管道管底低于大坝下方天然地面最低点的情况，辖区管辖高度应从坝体纵向中心线上的泄水管管底，或大坝纵向中心线上的开挖基坑底部（取两者中的较大值）进行测量。辖区管辖高度的定义详见第4.2.19条规则。州工程师对大坝辖区管辖高度的判定拥有最终决定权。