s Preferred Parking Lot Scenario <br />(with permeable pavement) <br />Rainwater is stored temporarily and percolates <br />through gravel intothe earth. <br />Chemicals and contaminants percolate through <br />gravel into the earth, being filtered and broken down <br />by microorganisms. <br />Minimal runolftravels into the Swale. <br />The Swale is not overfilled, supports healthy plant life, <br />and promotes percolation of water into the earth. <br />Illustration 03: Gravel parking diagram. <br />McCamant & Durrett Architects Page 3 5/6/13 <br />1329 <br />Illustration 02; Parking area in Nevada City, CA. <br />