Article Photos: Tribal water rights claims complicate Oklahoma's water planning efforts 10/24

Edmond water lab technician George Decher shows off a yellow smiley face that adorns the end of one of the pipes at the Edmond water treatment plant. Plant workers call the pipes with the face "the caterpillar" because it looks like a big bug. Experts say billions of dollars in improvements to Oklahoma water treatment and distribution systems will be needed over the next 50 years. <strong>David McDaniel - THE OKLAHOMAN</strong>