WIAT 42 | Over 800 gallons of oil spills into Mississippi River WIAT 42 VENICE, LA. (WKRG) — The U.S. Coast Guard responded to an oil spill off the coast of Venice, Louisiana in the lower Mississippi River region. An estimated 840 gallons of crude oil spilled into the water from an abandoned wellhead near mile marker 10 ... Sunken oil will harm marine life: Expert |