<prompt> Pfupisa nyaya yacho: Kusanaya kwemvura kumadokero kweUnited States kwakasiya mwero wemvura muRwizi rweColorado uri pasi zvikuru pomwero wawo wenguva dzose. Lake Powell, dziva riri pamuganhu weArizona neUtah, riri pasi pe45 muzana pomugove waro, uye kushayikwa kwemvura kwakasiya chindori chebhavhu pazasi pematombo aro makuru. Gungwa racho, iro rwizi rweColorado runozopedzisira rwabudira muGrand Canyon National Park, rakarasikirwa nemarita emvura anodarika mabhiriyoni maviri emarita munguva pfupi yapfuura pakaitika kusanaya kwemvura. Mvura yomurwizi yave ichiwana kusanaya kwemvura kwemakore gumi nerimwe mumakore 14 apfuura, ichideredza dziva raiva chikamu chimwe muzvina cheRhode Island apo rakanga riri padziva rakazara, maererano neNational Geographic. Dzorera pasi kuti uone vhidhiyo. Gungwa rePowell, iro riri dziva rechipiri pakukura munyika apo rinenge rava nekuzara kwaro, zvino rine chindori chena chebhavhu mumipata yaro nemhaka yokuderera kwemwero wemvura. Rwizi rweColorado rwunopa mvura kuNevada, Arizona neCalifornia, yokupedzisira yacho yakaona nzvimbo huru dziri mukuoma kwakanyanyisa uye kunoshamisa uye iri kuedza kudzora kuti vagari vanoshandisa mvura yakawanda sei. Nyika nomwe navanhu vane mamiriyoni 40 vanowana mvura kubva kumativi akasiyana-siyana emvura yorwizi rwacho, runotambanukira kumaodzanyemba kweWyoming. Masayendisiti akawanda ezvemamiriro okunze anofunga kuti Southwest inofanirawo kutarisana nokusanaya kwemvura kukuru muzana rino ramakore uko kungapfuurira zvikuru kupfuura zvinoitika zvino. Lake Mead, dziva riri pedyo neHoover Dam, rakadzikira kusvika pa39 muzana yomumwero waro gore rapera uye rakanga riri pamwero waro wakaderera zvikuru chifo chokuvakwa kwedhamu racho muma1930. Kuti ibetsere imwe nzvimbo yokuchengetera zvinhu kuti igare ichiwaniswa, Lake Powell ichaburitsa maeka-tsoka ane mamiriyoni 8,23 marita ane tiririyoni 2,68 mumvura inoyerera gore rino. Kuyerera kwacho kunofungidzirwa kuderedza mwero wemvura paPowell, dura rechipiri pakukura munyika pashure peMead, nemita imwe. Iri mungozi yokuona kukwirira kwayo kwepasi kuchidonha pasi pemamita 1,075 pamusoro pegungwa panosvika September, uko kwaizova mwero wakaderera zvikurusa wakanyorwa, wakagadzwa muna 2005, uye kuwedzera ukuru hwerini yaro chena yakacheneswa. Maminerari ari mumvura anochinja madziro e...  <response>: Makore gumi nerimwe mumakore gumi nemana apfuura kwave kune kusanaya kwemvura kudziva reLake Powell. Dziva riri pamuganhu weArizona neUtah riri pasi pe45 muzanapesimba rakazara remvura. Gungwa racho richaramba richiderera sezvo richizopa mvura kuLake Mead yeHoover Dam. 