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41. In response to.the Notice of Public Meeting and subsequent thereto, comments on the potenti~l Fountain Reservoir Project were received from the Denver Offico of Mineral Resources, Bureau of Mines; the Midwest Region, National Park Service; the South Central Region, Federal Water Pollution Control Administration; and the Executlve Director, Kansas State Water Resources Board, Their letters are in- cluded in Attachment VI and the comments are discussed 1n the following subparagraphs. intercstsundcr the terms of the KSl1sas-ColoradoCompact on the Arkansas River. He requested that a plan of operation including the effects of reservoir storage during no~al years and also during drought periods be supplied their office. lnrcsponsethereto, an analysis of the hydrologic effects of the potential reservoir project was furnished to his office and is further discussed under the paragraphs titled EFFECTS OF FOVIiTAIrl RESEiiVOIR ON INFWW TO JOHfl MARTIll RESERVOIR. a. 8Ur'2QU of Min2B.- The Chief of the Denver Off~ce of Mineral Resources stated tha~ although no on-site mineral examination had been ID~de, available records indicate that sand and gravel deposits utilized primarily for road construction are the only mineral resources of concern in the Fountain Reservoir site. lIe added that the pOSSl- biJity of oil or gas occurring in the underlying sedimentary beds aPl'earSrernote. lie also described geologic formations nt and in;:he vicinity of the site and included records of the Colorado State HIgh- way Department showing sampling locations of gravel deposits and evaluation of the reserve quantities. MODIFIED PMN OF I!1PROVB!1t,'NT - ARKANSAS RIVER AND TRIBUTARIES AlJOVE JOHN ,"".ARTIII DAN, COLORADO 42. EFFECTS' or FOOll'l'A:IN RESFRVOIR PR(J.rECT ON TfiE RECOMMENDED PMN OF IIfi'ROVENENT.- The recommended plan of improveJ:\cnt, as presented by the AlbUquerque District Engineer in the basic report, would be ~odified by the addition of the Fountain Reservoir Project, as follows: b. National Park Sel"'}i"".- Th... Regional llirector of the Midwest Region suggested that detailed project studies should inc1 ude an allowance of $1,500 for the initial survey of the reservoir area by the National Park Service, to determine the archeological values and potentials. Pursuant to the llistoricSites Act of 1935, hudgeting and financing for the archeological investigation would be the respon- sibilityoftheDepartmentofthelnterior. lie suggested further that in the interest of histori~al values, the State Liaison Officer should be contacted for information concerning the progr~~ of the Historic PnservationA-ctof 1966 (P.L. 89-MS). Project Arkansas River Floodway, Brewster to Florence Effect No change Fountain Reservoir Project Added c, F"der<l~ WtItcr POU.Utiol1 Con.tl'OZ Admil'li"tratum,- The Regional Director, So'-'th Central Region, advised of a potential water quality proble~ of serious consequence on Fountain Creek at the pro- posed reservoir site. Ilestatedthatunless"astedisposalfacilitics in the upper basin are oxtcnsively modified for w~s~... treR~ment, the recreation potential wouldbedumaged or possibly destToyed and a public n,-,isance might be created. He recommended that a careful evaluation of the waste load contribution to the stream from the city of Colorado Springs and other urban areas should be completedpr iorto authorization of the project for construction. In response, the Regional Director was advised that the prohlem had been di SCll~<ed ~'i th interested agencies and that further study of the water qua11ty of Fountain Creek would be made during preconstruct ion planning of the project in the event of its authorization. d. Kansas State Water Resouroee Eoard.- The Executlve Director of the Board cOT:ll!lent.ed that their approval of the Founta1n Reservoir Project would be withheld pending a hydrologic analysis of the effects of project storage on thc water supplled to Kansas Arkansas River Las Animas: Reach 7 Reach 6 Reach S Rea<.:h4 Reach 3 Reach 2 Reach 2 Channelization, Pueblo to rural urban Lower design discharge Lower design discharge Lower design discharge Lower design discharge No change "0 change Revised design Local Protection Projects: Florence Portland Pueblo: Dry Creek Channelization fountain Creek Channelization La Junta No change No change Noeh'lnge Deleted No change 43. ARKJ.NSAS RIVER CHArINEUZATIO!I. PUEBLO 10 LAS AlIIMk9.- Regulation of Fountain Creek floods by the reservoir project would reduce the peak and frequency of floodflows in the Arkansas River from Pueblo Jo~nstrearn to the mouth of the Apishapa River, Therefore, the design discharges required for lOO.year protection in Reaches 7, 6,5,and40ftheArkansaslliverChannelizationProject\olollldhc '" 20