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Ms, i.Sirl Pn:yr <br />May 7. 2fx0 <br />Page 3 <br /> <br />Inwffic~ent ;0 allow Characterz7tlon of the ground~rater alstharges. S1mAer arg~.r^ents :an be made <br />for Ne mvr.,er;anee o! 7+e curent TR•25 mcm!cr;,~3 system In the t~pragc wells, and the Santa Fe <br />Formatlor we4fs. <br />W0 ab0 'acDmm9nq !net 9 slurry vrall ~rDf7Rtl t10 ~Ye3t PtI Wllefa .t !5 ~~ CDnI®CI'Mtl^ the ftlt0 jBCp <br />allurum oe coreidrseti as a BMP. 7hA ctuml will WauWlnhitih aluvi:l groundurstcr 1nAew into the <br />eaotem corner of the',Vest PR, thus keeping dean water clean. In xnl~ndlnn w w, or as a separate <br />BMP, BMRI should also evaluate >re lmtauanrx, of a reaCOve subsuratx Oamernrall In or;ust <br />downgraeizrn ei'the winee'e. The reedlve waM would InnlbR pq(er~ttst evntacniratad West PR <br />groundwater from mlgratlng into the Rite Sem, <br />•. .~ <br />SeeNor ll.F, paw f, 3ecared earaenah, teal seniNtes <br />alsc,"arge Potnl 002 is not 5how~n an either Flgun~s 1 Gr 2 of ine perrftit. A& noted above, <br />pioc,"ar9e Polrrt C02 ictualN poniisp of at yeast itve separate and d!sasx dlac,7arges: G02, <br />the window, and 003 through 006, ere four eeperote seeps ebng the RitO Secv. <br />L SeeNen i1.G.. 9aoe 2 <br />fie duration Of the "ini5al' and later tltrW partods for Discharge Point 001 mustlx defined. <br />It !s ltnpAed that die discharge rates from D"acharps Pobt D01 wilt progrvisivrly drereaae <br />p.a,. 400 gpm--250 gp~7t~i110 gpm). This prvgrasaion must ba specified. !f mere Is cause t0 <br />revert badt.~a hiahsr vut~ni_~-~e.~f-t~wld Ittdlcata thati:+e'water managemem plan' hq <br />faced, and the rattonate for the owrnlt shorLd ra-e~trfia~--'-' <br />There are no maximum dlsdtarge rate Irnlttttione listed for D'~xharge Pdnt X04, the locafion of <br />whld^ fs never given. Resumktg mat a Is the seepage hoot, note that Item 3 on Page 1110 fn <br />>r~e ,august 30, 1 gg9 document CDPS PorrnifApplication: Minimal DiaCtarye Mduarnal <br />Wastewater aubmilted by OMRf. stelae tliat pumping of the system at a capacity of 400 gpm <br />win reverse the gradierd away from the RitO Sean, thei+ebir eUmlrtaUrtp the seepage hoot <br />However. from a lOratlOtt along the Courtly RpaO. CostiNaCaunty Conservancy Diatrkt <br />(CCtt)) ofRcials obaervtad llaw ham atx of rie seeps On the Sank of 4te Rito Saco on J+pAt <br />3C, 2000 (N. McGowan, CCCD, eletxroni0 cammun.), <br />In wbceQuenl sections, tho petmR 6tBtai that 6Mf 'S tit's t0 iJa usBd to ~itpClatiOn With <br />Rlschargo Pclnt 002, but again does not addreae the dlftxgtge raps from other the window <br />or the springs. Wa helleve aril quantiAcatlon of ff>eaa flows is brtporfant. The appifrant <br />CStlmitaa West Nit outflpwa In SeWon J.1.A,4 of 7R•2e. Tftrmrph monitoring of the water <br />levels in tt-e attuvhan. anti the utAlsatlon of the pemtNdAties determirted from aquifer tasting, <br />the appYcant Should be able to rersonably quantify flreundweler flow ttxoKgh the raatrtDtAd <br />"windovl. li wcasshtl, tM 8MP's shoultl nrminste sow ihrocgh tM window during active <br />pumping, QuanGfipfim of Fawe thrau9h the window should assist in asaesaing ~e degres Of <br />succasa ach!sved by the BMP's during aCive renxdiatlon, and will asalst in evafuatinp the <br />sysWm in the passive beafinertt perloo Untli confartfinatfon Is no lor>9er a problem. <br />