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MAV. 1. ZUUI 11:34AM BISHOP BROGDEN .~: ~- Northern Colorado Water May 4, zoo? Ms. Jennifer Lindahl Bishop-Brogden Associates, Inc. 333 West Tlampden Avenue, Strife 1050 Englewood, CO 80110 Dear Ms. Lindahl: . {O,E N0. 941 P. 2 ~r ~ j~j vRECEiVED gar o a zoos WpiFSPES01Ip~FS SUIEFYGIp[p~ !RB Re: Approval of Request to use Colorado-Big Thompson (C-BT) Project water in Loveland Ready-Mix Concrete, Inc., 2007 Substitute Water Supply Plan (SWSP) pursuant to the May 2005 Interim Rule. I approve the request of your client, Loveland Ready-Mix Concrete, Inc. (LRM), for the use of leased C-BT Project water in a 2007 SWSP as allowed by the Interim Rule on the Use of Colorado-Bif Thompson Pro'ect Water in Substitute Water Sugp,~y Plans and Plans for Aummentation adopted May~13, 2005, by the Northerh Colorado Water Conservancy District (Nor[bern Water) Board of birectors. The following Mif±+*na^aes the key issues for this approval and further requirements on the use of leased C-BT Project water in the 2007 SWSP. Northern 'Water staff has reviewed your request letter dated February 6, 2007. The LRM 2007 SWSP is for the augmentation of gravel pit depletions from the Larimer Pit (1vII.R No. M-74- 069). This gravel pit is within Northern Water botmdaries. Therefore, LRM meets the req~i~*~~+t that C-BT water be used only to offset depletions that are the result of a beneficial use of water within Northern Water boundaries. The intent of the hrterim Rule is to allow the annual temporary lease. of C BT in annual SWSP's .-..---ipplt-'d~$g'~18~85~9^ `p~aV61~t5~ 7t 9~0421f~ ~Mi•$~~ b0~/CSyt9~39F.•9~•r awr.+Ti-'pia SW$P fOr 2 given structure at a specific location (i.e., the Latimer Pit) sbatl not exceed a total of $ve years. For its 2007 SWSP, LRM leased 43.0 acre feet for March 1, 2007, tluough October 31, 2007, and 24.0 acre-feet for November 1, 2007, through February 29, 2008, of C-BT Project water from the City of Loveland, a Class B municipal C-BT Account Entity. Per the Interim Rule, the net yield of C-BT Project water leased from a municipal Account Entity for use in a SWSP is 50 percent of the net C-BT Project water delivered to the appropriate river reach for depletion replacement, aad this 50 percent factor was appropriately applied in LRM's 2007 SWSP Accounting Table. LRivI must provide Northern Water with an updated monthly Accounting Table showing C-BT Project water releases made fox the 2007 LRM's SWSP, which ends February 29, 2008, This updated accounting should list the actual river conveyance shrink assigned by the Division Engineer, along with a running total of actual and projected C-BT Project water released for