The owner of property where a private stormwater facility is located shall maintain the private stormwater facility in a properly functioning condition and shall operate the private stormwater facility to avoid flooding or erosion in excess of what would occur under natural conditions. An improperly maintained or operated private stormwater facility that results in flooding or erosion in excess of what would occur in natural conditions is a nuisance and may be abated as provided in this title. [Ord. NS-2176, 2012]