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<br />£c na ?1i.^.e <br />_"Se cdna operetio~ -- a surface mine _'oceted along T:cut Creek. The :~acce and <br />Lenno;r Coal seams of~the Fliddie [ailiiems Fork Formation are mined bu The o^er- <br />ation. - is we11 documented that 3rtivities at the mire are devracinc the <br />gvalitu of tine r,~ate_* in the Trout Creek alluvia- aquifer (~+!caherte~, et a1., <br />1479). ?reviousiy mink spoils nave became saturated and have :iscrarged <br />degraded »a ter into `_:ne Trcut Creek system. The resultant impact F,as not yet <br />iimired the use e' t:e water. ?:'owevar, wa_*e~ quaiztr: impacts 'ti111 probab_'y c_r.- <br />tinue fet r:ranp years. This could posy a salinity hazarc to subirrigated c-ege- <br />tation along the creek. Ground ++a ter monirori ;c at the 'ire stould detect t}:ese <br />imcacts if they bacome a problem. [•;ater le.ei imcacts and impacts tc other <br />regional aquifers are .lot anticipated. Ho:aerer, it is expected that activities <br />at the Edra 14ire may impact off-site orocnd crater resources. <br />Enerr•c .NI, ~2, ~J, and Eckran Fa r:r ..'i ,^,es <br />The:;e operations are laree surface minas lxated adjacent to i'eidsl, ;9'dcle, ant <br />Fish Creers. Tine r/zdge ar.d Lennox Coal seams o.` the .aiddle f:!illi ams For:: For- <br />ma=ion are ninedbu =hcseoperations. all three of the streams drain tnTrout <br />CreeF: ~ahic!: _., tribetaru to the 'Lamm Ai-rer. The mire ac•_ivities are exneaed <br />tc de-Trace the quaZit:c cF water ir. tine alluvial aquifers c.` 3~i three cf these <br />drainages. _„ addition, t`:e piezometric surfaces of the strata .a the vicinity <br />• of t`e mine a•i11 probable be loviered as a resell of mire de+oatering practices. <br />?Gera ~+'iddle Cr_e}: !line . <br />.'he pro cosec ,'riddle Creek :fine is an undergromnc operation located mono :+!id91e <br />Creek. Si;!ce it is difficult to accurat=',• predict impacts, a mine plan has not <br />yet beer. revie:,red bu t.'re Division. i;ased on lim_`tnd information, mire dewater- <br />ing ors.;t_ces could cotentia_'ly Iower water 7?eels in the Twenty-:^.i1e San:istone <br />and the al:uviaZ aquifer of ,:'iddie Cree{:. At t7ris time, it ~s imrossibZe ~_ <br />predict the magnitude of t.iese potential water lera.l d.=clines. ..°.o:.ever, it is <br />anticr~sted that activities ar the F1iddle C_'eek Fline mau im_aac` cf_°-site oroucd <br />sa ter resources. <br />Grasso Cree': 1?ine <br />The ~Crassr. ..rea.k '•!ine is a surface operation Mono Grass,1 C.-eek. Coal is mined <br />fro.- fire Binnacle and 3laciamith Cca: seams of care Iles Formation. The ar:pii- <br />car;t states chat ro sian~ficant bedrock Ground water occurs .in t.'re area to be <br />mined. Ground crater does occur ir, the a_'.uvium o:' Grassy Czeek. So~•ever: no <br />disturbar.•ce 1_ pianred near the aqui_`er. There=fore, no of-site _cpaets are <br />nticiuatari for grr_und wat.ar resource: near me mire area. <br />• <br />These noter.tial --Watts are rot expected to significantly aff=ct and of cPre <br />regional bedrock acvifcrs. Sowever, the alluvial aquifers may be 3f'acted. To <br />date, nine-r~eiated ;mpacts are not known ..o have limited kater use in the aouifsr. <br />Tnerefore, it is e:pected that activities a'_ the Freryy ;1, .'-'2, ', and £ckr,:an~ <br />?ar:< .Nines may impact off-site ground ..afar resources. <br />