Rubuta ci gaba don wannan sakin layi - A shekara ta 1958, Rundunar Injiniyoyin Sojojin Amurka ta kammala Dam din Coralville tare da Kogin Iowa, mil huɗu (6 kilomita) arewacin garin, ta samar da Coralville Lake. Ban da Babbar Ambaliyar Ruwa ta 1993
da kuma babban ambaliyar Iowa na 2008, dam din ya taimaka wajen hana ambaliyar ruwa mai tsanani a cikin birni. Daga Yuni zuwa Agusta 1993, dukkanin manyan hanyoyin sufuri uku na Coralville tare da Iowa City sun nitse. Tasirin tattalin arziki a wannan shekarar ya kasance mai tsanani, amma birnin ya kusan dawo cikin shekaru biyu. Ambaliyar 2008 ta tabbatar da cewa ta fi tsada yayin da Kogin Iowa ya zarce tarihin 1993 a kan.