Ord 2016-050/revisions to the San Marcos City Code of Ordinance Chapter 39: Flood Damage Prevention Ordinance

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prevent water from entering or accumulating within the components during conditions of flooding. (7) Subdivision proposals and other proposed new development, including manufactured home parks or subdivisions, must be assured that they will be reasonably safe from flooding and meet the standards of section 39.043. If a subdivision proposal or other proposed new development is in a flood -prone area, any such proposals shall be reviewed to assure that: a. All such proposals are consistent with the need to minimize flood damage within the flood -prone area, b. All public and private utilities and facilities, such as sewer, gas, electrical, and water systems are located and constructed to minimize or eliminate flood damage, and c. Adequate drainage is provided to prevent danger to life and property due to flooding, increased inundation, or erosion damage. ids. (8) New and replacement water supply systems must be designed to prevent infiltration of floodwaters into the systems. (9) New and replacement sanitary sewage systems must be designed to prevent infiltration of floodwaters into the systems and discharges from the systems into floodwaters, and on -site waste disposal systems must be located and constructed to avoid impairment to them or contamination from them during flooding. (10) New construction and substantial improvements, when located in multiple flood zones with varying base flood elevations or in same flood zone with multiple base flood elevations must meet the requirements for the flood zone with the most stringent requirements and the highest base flood elevation. Sec. 39.042. Standards for approximate A- zones. On land located within the areas of special flood hazard established in section 39.021, where streams exist for which no base flood elevation data or regulatory floodway has been provided by FEMA, the following provisions apply: (1) Compliance with the standards listed in section 39.041. (2) Base flood elevation data must be submitted to the floodplain administrator for all new subdivision proposals and other proposed developments (including proposals for manufactured home parks and subdivisions) greater than 50 lots or five acres, whichever is the lesser, if not otherwise required by this article.