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III <br /> vM-2001-001 Line Camp Pit Amendment#2 (Expansion) <br /> Exhibit G. WATER INFORMATION (6.4.7) <br /> 1. Floodplain <br /> Map G-1. US FEMA Floodplain Insurance Rateapp Map (FIRM) 2023 (from Website) <br /> a. } = -: �P'��I` �I7 4.2 .. ■ <br /> _ Y jet' l <br /> ac, i:/ <br /> 34.0 ,34 <br /> ` • t <br /> ;h.. <br /> 1 -I\IO\TEZU .-�C' <br /> \1OW\T'I ZoneAE <br /> �OSO_S, - a M�' `� <br /> ' • ?S <br /> .4. •.08083C0370C tzeril-xe.o - ' 08083C0390C <br /> eff:9/26/2008 J 37 53 99. 08 382503 ,• eff.9/26/2008 <br /> 4 C. \IO\TIEZLIJTI• CO', TY •..i <br /> , .. . I 0 <br /> JSD. ,SGS-^e`,a:ore'\roc:C^-c-age', es a ___- Powered by Esn <br /> ' Aprovnale ewioon eafea cn'ne�Ma.s WI0M0 lore rbod E1e,anoe ref Er e "' Crake erect don Ad rW.nel M aMreeu. ee. Wafer <br /> soiled OAeli Annual Conroe <br /> SPECIAL ROOD wln WE oe Dean wafer Surtare Errenoon <br /> Pill 00 rbeaf'0" HAZARD AREAS RepWory reood+eE=•,.af a en w.r 0•--Com.Ira'deo <br /> _w__�W flood LIe.af.n line of Ee <br /> Eoheend rbedee.Eeuederr rrrur lank of stud, <br /> li es Most.Chase'rood rnar0 Antos Sound., <br /> Dafe.. kr oe 1or rnnurl ensue*Mood ern,euerep <br /> ,.Ole.DMe�Yrale def.le..tn.one rod or...wog ——Cslaf lnmecl/eseeM <br /> rein of re.man one ed..note:,.•r OTHER-—Prom*lase.. <br /> MAP PANELS unn`TRWd fun..Condrs e. 1%Annur FEATURESa adroo_ revamp tenure <br /> China fgod Naard:- <br /> M.would*o.. IOW rood He:rd:e.r r Area well Reduoed f l od Re.due to GERERAL ---- Ctunnel,[uhM w Storm Sewer <br /> El.awewfn OTHER AREAS OE Sew..Sea Isms. STRUCTURES ewe DAe.e fror Stop <br /> rea M Un0.4rmNd rod ttword:- ROOD HAZARD Area Mn,f100E Rls due to Lowe:•. <br /> 2. Surface Water <br /> a. All surface water within the permit area is artificial due to mining into the alluvial aquifer. <br /> b. Permit area and affected lands are located 100 feet or more from the OHWM of the <br /> Dolores River on the SE edge of the permit area. <br /> c. Floodplains include existing pit ponds which are not connected to either the river or its <br /> ephemeral channels or to floodway and other portions of the floodplain by potential or <br /> existing surface channels or swales: berm height is above the base flood elevation of the <br /> 100-year floodplain. New berms will continue to be constructed with similar elevations. <br /> Flooding potential is based on either reverse flow from pipeline to outfall or infiltration <br /> through alluvium. <br /> d. There is potential for the Home Ditch, which runs along the western edge of the permit <br /> area (just outside the SH-145 ROW) to receive surface flow both from upstream on the <br /> river (including increased flows during flood events) and off SH-145. Otherwise, there is <br /> no waterflow from the western slope of the valley which would discharge into the site. <br /> e. Mining in the expansion area will increase the storage capacity for storm water in those <br /> areas presently designated as part of the floodplain. <br /> f. The existing floodplain maps do not accurately reflect the changes (increases) in <br /> floodplain extent and capacity due to mining. They will continue to change as mining <br /> continues, and expand in both surface area and volume available. There is no <br /> anticipated change to the riverbed (below the OHWM) and the floodway. <br /> 5182-22-001 WASTELINE, INC. Page 37 of 65 <br />