Texas experienced its worst drought ever during the 1950s. The state lost an estimated $22 billion in 2011 dollars. In 2011, Texas suffered its worst single-year drought. Farmers lost $7.62 billion, marking the costliest dry period in state history, according to Texas A&M University. Texas is near the end of its two wettest years in recent memory, but a five- to seven-year drought is coming, state Rep. Lyle Larson, R-San Antonio, warned attendees of the 17th Annual Bell County Water Symposium on Wednesday.