SPOKANE COUNTY, Wash. - Spokane County environmental officials conducted water quality testing Tuesday using red dye in the Spokane River to better understand how treated wastewater affects the ...

FORT SHAFTER, Hawaii — University researchers are using a florescent dye in the aquifer near Pearl Harbor to better understand the flow of water beneath the Red Hill Bulk Fuel Storage Facility, site ...

SPOKANE, Wash. -- Spokane County Regional Water Reclamation Facility will be conducting a study on the Spokane River next week that will require red dye to be put into the water. SCRWRF says the test ...