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3.0 SPRING AND SEEP SURVEY <br />A spring and seep survey is performed annually in May, or as soon as practical after snowmelt, <br />covering the base of reclaimed areas along Trout Creek. Flow from springs or seeps that exceed <br />approximately 20 gpm are measured while flow from smaller expressions is visually estimated. <br />Additionally, a sample is taken annually from springs and seeps exhibiting flows in excess of 20 <br />gpm. The complete list of parameters used for surface water monitoring sites, except for TSS, is <br />analyzed to characterize flow quality. <br />A survey was conducted May 26, 2011 to evaluate springs and seeps (Plate 2). Survey locations <br />were at the base of the ridge along Trout Creek, from the northern Moffat boundary to the base of <br />West Ridge. A total of 15 spring locations were surveyed. Of these 15 spring locations, 15 were <br />either damp or had flowing water during the 2011 survey. A total of 21 seep locations were <br />surveyed. Of these 21 seep locations, 16 were either damp or had flowing water during the 2011 <br />survey (Table 1). <br />Thirteen of the 15 springs, either damp or flowing, exhibited sufficient discharge for flow to be <br />estimated or calculated, and field parameters measured during the 2011 monitoring period. <br />Fourteen of the 16 seeps either damp or flowing, exhibited sufficient discharge for flow to be <br />estimated or calculated, and field parameters measured during the 2011 monitoring period. <br />Several of the springs and seeps were sampled as single units due to their close proximity to each <br />other and their apparent common origin (Table 2). <br />Springs SPR -1, SPR -3, SPR -5 and SPR -11 and seep SE -23 had sufficient flow, singularly or in <br />combination with other springs or seeps, to require additional laboratory water quality sampling <br />in accordance with permit requirements (Table 3). <br />A>5., V V Y V CENGINEERING <br />Page 4 <br />