Flood control, groundwater recharge, and pollutant reduction through nonstructural or low impact techniques shall be explored before relying on structural BMPs. Structural BMPs should be integrated with nonstructural stormwater management strategies and proper maintenance plans. Nonstructural strategies include both environmentally sensitive site design and source controls that prevent pollutants from being placed on the site or from being exposed to stormwater. Source control plans should be developed based upon physical site conditions and the origin, nature, and the anticipated quantity or amount of potential pollutants. Multiple stormwater management BMPs may be necessary to achieve the established performance standards for water quality, quantity, and groundwater recharge:
(A) To regulate the contribution of pollutants to the city sewer system by stormwater;
(B) To reduce pollutants or the potential for pollutants in stormwater discharges guiding, regulating, and controlling the design, construction, use, and maintenance of any development or other activity that disturbs or breaks the topsoil or results in the movement of earth on land;
(C) To require the construction of locally-approved, permanent stormwater runoff controls to protect water quality and maintain non-erosive hydrologic conditions downstream of construction activity and development;
(D) To require responsibility for and long-term maintenance of structural stormwater control facilities and nonstructural stormwater management;
(E) To enable legal authority to carry out all inspection, surveillance, monitoring and enforcement procedures necessary to ensure compliance with this chapter.
(Ord. 906, passed 5-12-2016)