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STUDY AREA ->---- The study area has been defined as the City of Montrose" Colorado and its water service area east of the Uncompahgre River. This area is confin- ed by Otter Road on the south, approximately Lincoln Road on the north, and extends east to about road 6700. Thi s -1 s an area of about ten squa re miles and includes a small urbanized area west of the railroad which is f -- " ,- J (,~'.(;Af"" evp-..t>",",- 110v-1 ,1 or tributary to the Uncompahgre River. The lower reach of ,/It he water service area, to its confluence with the Uncompahgre River, -is also included in , . \}'I)I~" the study. f. ."\(y..:'J . \':'" ~) '~'\"(e (.. >~!. - Vli'- Major Basin Characteristics The City of Montrose and its water service area east of the Uncompahgre River 1 ie in the lower portions of the basins of three well defined water courses. These streams are Cedar creek, MontrOSE! Arroyo, and Dry Cedar Creek. Montrose Arroyo flows through the center of t~ontrose, and is tri- butary to Cedar Creek. Both Cedar Creek and Dry Cedar Creek are tributary to the Uncompahgre River. Cedar Creek flows through and along the northern boundary of the City, while Dry Cedar Creek passes the City near its south- ern boundary. The headwaters of Cedar Creek oriqinate in the Cimmarron Ridge area at an elevation of approximately 9,400 feeL The creek flows in a generally westerly direction, through the northeastern portion of the City of Montrose to the Uncompahgre River, at a point approximately three mnes northwest of Montrose. The Cedar Creek drainage ba,;in is approximately !i6.3 square miles, (see Figure 1). The upper reaches of Montrose Arroyo 1 ie approximately seven miles east of Montrose at an elevation of approximately 7,500 feet. The stream flows in a northwesterly direction through the City of Montrose to its confluence with Cedar Creek, immediately northwest of t.he City. The drainage area tributary to Montrose Arroyo is approximately 17.8 square m"iles. - 9 -