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Low Impact Development (LID) techniques emphasize the use of on-site natural features integrated with engineered small-scale hydrologic controls to promote groundwater recharge and protect the function and value of surface waters, aquifers, and fish and wildlife habitat from degradation by preserving the native vegetation and wooded character of watersheds while continuing to provide stormwater control necessary to protect downstream property owners.

A. Applicability. LID techniques, as described in the Pierce County Stormwater Management and Site Development Manual, Volume VI, shall be utilized for development within the:

1. Rural Sensitive Resource (RSR) zone.

2. Urban Sensitive Resource Overlay (USRO).

3. Open space corridors of the Graham and Gig Harbor Community Plan areas.

4. Natural Shoreline Environment Designation. New land divisions and subsequent development.

5. Conservancy Shoreline Environment Designation. New land divisions and subsequent development when the project exceeds base density.

B. Design Objective. Provide stormwater control to protect downstream property owners and promote groundwater recharge and protect the function and value of surface waters, aquifers, and fish and wildlife habitat from degradation by preserving and restoring the native vegetation and wooded character of the site.

1. Standards.

a. Projects shall be designed to meet the full comprehensive LID standards of the Pierce County Stormwater Management and Site Development Manual, Volume VI.

(Ord. 2020-102s § 11, 2020; Ord. 2016-33 § 2 (part), 2016; Ord. 2016-14s § 6 (part), 2016; Ord. 2013-45s4 § 6 (part), 2015; Ord. 2010-70s § 15 (part), 2010; Ord. 2009-98s § 2 (part), 2010)