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<br />4.A.(15.) Th. 'Norm.l High W.t.r Lln.' Is the .l.v.tlon of the <br />flowlln. cr.st of the princlp.l splllw.y or, If no prlnclp.l splllw.y <br />exists, the flowline cr.st of the .merg.ncy spillway. <br /> <br />4.A.(16) 'Impound W.t.r' me.ns to store or .ccumul.t. w.t.r for <br />i_dlate or future us. In . r.s.rvoir. <br /> <br />.. <br /> <br />4.A.(17) 'Inflow O.slgn Flood' m..ns the flood hydrogr.ph which <br />Is us.d to d.termln. . splllw.y's hydr.ulic c.p.city .s r.qulred by <br />th.s.....gul.tlons. (S.. S.f.ty Ev.lu.tlon Flood, Rul. 4.A.(Z7)). <br /> <br />4.A.(18) 'Llv.stock W.t.r T.nk O.m' m..ns . dam construct.d for <br />the purpose of wat.ring livestock, h.vlng . c.paclty not .xc..ding 10 <br />.cre-f..t .nd . v.rtlc.l h.lght not .xc..ding 15 f..t from the bottom <br />of the ch.nn.l at the upstream to. of the d.m to the bottom of the <br />.merg.ncy spillway. Th. d.m m.y not b. us.d for Irrigation purpos.s <br />.nd the w.t.r cours. upon which the d.m Is locat.d must be nonoally <br />dry. <br /> <br />4.A.(19) 'N.tur.l Surf.c. of the Ground' me.ns the undlsturb.d <br />9round surf.ce before .xc.vation, or the undisturbed bed of the stre.m <br />or riv.r. <br /> <br />4.A.(ZO) 'One-hundr.d-ye.r Flood' me.ns . pot.ntlal flood which <br />h.s . magnitude (peak discharg.) which is .xp.ct.d to b.. equal.d or <br />.xc..d.d on the av.rag. one. during any on.-hundr.d-~ear p.rlod <br />(r.currence int.rval) .nd has a on. p.rc.nt ch.nce of b.lng equ.l.d or <br />.xc..d.d during any y..r (0.01 .xc..danceprobablllty)., Th. t.rms <br />"one-hundred-year flood, " .,"one percent chance floQd.. and- "l_oter. <br />medlat. r.gion.l flood' .re. synonymous. , , ", <br /> <br />,4.A.(ZI) "Outlet" means . conduit (usu.ny controll.d by gat.s, <br />or valv.s) which is us.d to r.l..s. Impounded w.t.r from the res.rvolr. <br /> <br />4.A. (22). "OWner" means any person ,or entity wh,q- owns,' cont-rols, <br />op.rat.s . d.m, or proposes to construct. dam. For liability pur- <br />pos.s, the p.rsons actu.lly in control of . dam sh.ll b. d..m.d the <br />own.r, unl.ss notlc. of the true own.r .nd th.ir .ddr.ss h.s b..n <br />filed with the St.t. Engi.n.r ,by" J.nu.ry, I, ,1985. Ch.nges in <br />own.rshlp sh.n b. fll.d with the St.t. Engin..r , illll1.diat.ly. " _, <br /> <br />4.A.(Z3) 'Prob.bl., H,ximum Pr.cipit.tion' (PHP) lI\O.ns the <br />th.or.tlc.lly gr..t.st d.pth of pr.cipit.tion, for . giv.n. dur.tlo.n <br />th.t Is physic.lly possible ov.r . dr.in.g. bas,in at .ny ,sp.cific time <br />of y..r. <br /> <br />4.A. (Z4) "R.s.rvoir" m..ns a body of wat.r. Impound.d bia dam. <br /> <br />. 6 - <br />