A fracking-related spill dumped 480 barrels of hydrochloric acid near Turkey Creek southwest of Hennessey Monday, July 28, 2014. Dirt, containment burms were built around the HCL Acid spill near a line of fracking tanks. Clean up continues as the Department of Environmental Quality inspects the site Thursday, July 31, 2014. According to Matt Skinner, the spokesman for the Oklahoma Corporation Commission, the spill is probably the largest of its kind in the state. (Staff Photo by BONNIE VCULEK)

Oklahoma Department of Environmental QualityODEQ InspectorSW of HennesseyEW660Turkey CreekFracking SpillHCL Acid SpillBonnie VculekEnidMatt SkinnerOklahoma Corporation Commission