Ozarka Water Company was established in 1907. Known today as Eureka Water, we are Oklahoma’s largest bottled water company. We are the only water bottler in Oklahoma with an Oklahoma State certified laboratory. Our water is certified by the National Sanitation Foundation, the highest rating any bottler can achieve in terms of quality control. The four major products bottled at Eureka Water include: Ozarka Drinking Water, Ozarka Fluoridated Water, Eureka Spring Water and Shamrock Distilled Water. A fifth product, Mountain Valley Spring Water, is also offered.