Flooding in Colorado, May 1 to 5, 1999

The most significant river flooding along the Arkansas River since at least 1965 was caused by widespread and persistent rainfall...especially along the eastern slopes of the southeast mountains. The heaviest rainfall occurred from late in the day on the 28th of April and persisted into the afternoon hours of April 30th. Widespread rainfall totals in excess of 8 inches was noted in 40 hours with some locations receiving in excess of 13 inches of rain in 48 hours. As stated in April Storm Data, the heavy rain event led to widespread river flooding...especially along the Arkansas River as well as the Fountain Creek watershed. By the morning of May 2nd portions of northern La Junta were under 5 to 6 feet of water, which damaged or destroyed over 250 homes and businesses. Nearly 100 other structures were damaged or destroyed. Many irrigation ditches in southeast Colorado sustained damage to channels and gates. Agricultural lands were swept away, and the channel of the Arkansas River was significantly altered in many locales. Significant flooding occurred between Rocky Ford and La Junta along the Arkansas River. There were numerous roads washed out and bridges destroyed by the flood waters. Water levels began receding in earnest on May 3rd and were generally below flood level by May 5th.