FLOOD02478 - Laserfiche WebLink

Home Browse Search

, 3-0~. Effects .of autherized .or oreoesed oroiects. The autherized fleed- way en t~e Purgateire River threugh the City .of Trinidad is designed te centrel flews up:te *5,000 cubic feet per second, so it weuld have contained the May 1955 fleed, which had a' peak discharge .of 30,000 cubic feet per second. A multiplelpurpese dam and reservair lecated en the Purgataire River about four miles above Trinidad has been recemmended in lieu .of the autharized Trinidad Floodway; This preject weuld have prevented flaws in excess .of channel capa- cities f~em the dam site te Alfalfa an the Purgatoire River and wauld have reduced ~he peak at NinemileDam to about 60,000 cubic feet per ,secend, sa that the I severity of ' the flaad in the lawer reac1'les .of the Purgatoire River , ' ' wauld be ,comparable ta the 19.51+ flaad. ' , 3-0~. Cerns of En~ineers callectian .of data. Observatians .of gage heights during the caurse of the flaed. were ma,de by Cerps of Engineers persenne+ frem Jehn Martin Dam. Four representatives were dispatohed from the Albu~uerque District Office to collect hydrelegic and fleod damage data. A;highwater prefile was .obtained frem Puebla te Jehn Martin Reserveir and high~ater marks were established threugh the City .of Trinidad and at ether peints an the Purgateire River, 1;\1e results .of which are on file in the Albu\(uerque District Office. An inyestigatien fer emergency werk was made by tepresentatives .of the Albuquerfiue District. Ceordinatien .of all infermatien received frem ether agencies was made in the Albuquerque Dis- trict Office. I , , , , , IV FLOOD DAMAGES *-01. Fleod dama~e surve:v. Representatives .of the Albuquerque Dis- trict ce~ducted a field investigatien during and after the fleedef MB,1 1955 en the Arkansas River and tributaries in Colorado te determine the extent .of fleading and estimate the dam~ges sustained. The extent .of , , the area: fIe .oded was determined by a fi~ld delineatien .of the floed lim- its an maps and aerial phetegraphs. Infermatien pertaining te damages was .obtained: from city, county, and state .officials, .officials .of railroads and ditc~ cempanies, and by inspectien.. Appreximately 75 percent of all the farm~ that received damage were inspected by the ii.eld parties. *-02. Divisiensof dama~e surve~. . Te facilitate the cellectian and ,presentatien .of infermal.en relating te fleed damages, the Arkansas and Purgateire Rivers wer~ livided inte reaches which are listed below and indicated an plate IJ. I Arkansas River: Reach 1- Pueblo to Huerfane River Reach 2 - Huerfane River to Apishapa River Reach 3 - Apishapa River to La Junta Reach * - La Junta ta Purgateire River * ~ L "