§ 3-17. Utilities and facilities.

(a) In general.

In the entire Floodplain District, the design, placement, and construction of all public and private utilities and facilities must meet:

(1) the requirements of this section; and

(2) all applicable requirements of ASCE 24.

(b) Design and floodproofing.

(1) New or replacement water supply systems, on-site disposal systems, or sanitary sewage systems must be designed and floodproofed:

(i) to eliminate or minimize infiltration of floodwaters into the systems and discharges from the systems into floodwaters; and

(ii) to avoid impairment during flooding and minimize flood damage.

(2) All gas, electrical, and other facility and utility systems must be located, constructed, and floodproofed to eliminate or minimize flood damage.

(c) Sewage systems.

(1) All pipes connected to sewage systems must be sealed to prevent leakage.

(2) Cesspools and seepage pits are prohibited.

(3) Septic tanks are permitted if they are securely anchored to resist buoyant forces during inundation.

(d) New storm drainage facilities.

All new storm drainage facilities within or leading to or from the Floodplain District must be adequately designed, floodproofed, and installed to:

(1) eliminate or minimize property damage resulting from the floodwaters of a base flood; and

(2) minimize adverse environmental impacts of their installation and use.