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\lcnn~I~~I'ilrV'n (\I I`)i7-i.1] Z (kluhcrlN,~+IUh <br />I. Is approval of Aft-O$ ncccssary prior to initiation of construction on the ultimate interceptor <br />c:m;+l7 <br />2. Discs :\M-OS ask fbr state of Colorado, DIL~1S approval of the ultimate interceptor canal" <br />To resolve these issues. DRMS conducted a full review of the entire f Icnderson mined land rrclantatiun <br />permit lilt. A synopsis of that review lollows. <br />In the text of the approved original pcmtit application for Henderson submitted on September 29, I')77, it <br />is slated at pas:c ~-S: <br />Protection of all facilities within the drainage against the 200-year flood is provided by a flood <br />water bypass system of pipelines and can:+I s. 'I~he system is shown oft the Wrap and discussed in <br />Section b.d. ~'~1ost ul the disturbance created hV construction ol'this system lies w ilhut or adjacent <br />to other necessary eonstruetiun work, such as roads and rescnoirs, and disturbed acreages arc <br />included within those location acrcaecs. <br />And at page G-36: <br />j,\ ~ canal and pipclinc system diarns l ae Park runoff around the main tailing pond. 'I~he system <br />collcrts water (runt the \L'cst 13rauch of 1 !le ('reek in a c:uu+l whidt crosses the southern end of the <br />valley via an inverted siphon to a combination pipclinc/c:ur.+l system and exits in l4e Park <br />downstrrtm ul'the seep water entrgnnent canal. 1 1 he combination pipclinc canal consists of a <br />pipclinc buried in the bottom of a canal I• This entire syslent contours the approximate seven yrar <br />u+iling deposition line in the park, i.c., in about 1953 it will be covered with tailing. Prior to that <br />tints, the eystem will he rcuvaluatexl, and if ncccssary, an additiona divcnion c:oral will he <br />ionslructeJ. <br />l~he li~reguing citations demonstrate that stepwise cunstntction of interceptor canals. eventually leading to <br />the constn+ctiun of an ultintntc interceptor ruutl, l5'aS a cUnlpOnCm oI CIIIIttt; impoundment planning lium <br />the earliest operations of the Henderson \9ill. <br />ht the Icxt of approved antcndmcnt A~1-Ol to the Henderson reclamation pcmtit, which antcndntcnt was <br />submitted .lanuary 27. 1981, it is stated at page j: <br />...wc wish to construct an interceptor canal and possible power lint around the portion of the pond <br />subject to dntina~e, :unl vvc require an arcu list additional tailing delivery I'acilitics. I here is nu <br />ch:+ngc itt the liutd:unental tailing deposition plan. The pond is adequately protected against the <br />probable maximum flood, however, fix both cnvirunntental and industrial reasons, it is <br />advanu+gcous to have the flexibility to route fresh water around the tailine Ixunl. <br />:\nJ :d page 7: <br />fhc uttcrcepair canal will be revegctalcd and Ictl functional for possible use by whoever owns or <br />manages the water riehts in the litture. <br />