this oil and the tar balls in this whole mixture going to the landfill. >> the long-term effects that we will have to endure, if it, in fact, is -- if, in fact, we do find that it is dangerous to -- >> it gets into your water or -- >> the water table, absolutely. >> reporter: keeping them honest, we're asking bp why it's disposed of spill waste in a county that pleaded with them not to. bp wouldn't comment. we asked ken holden to take us inside the landfill so we could see for ourselves why bp, the epa, and waste management all say it's safe. there are many worried that whatever is going in to this landfill from the oil spill is going to end up in their water system and make the community sick. >> it's an understandable concern because there's a lack of awareness. >> reporter: this is a nonhazardous waste site. there won't be liquid oil coming here, just solid oil waste. before it's dumped, it's store in the huge containers and analyzed. in the last 24 hours, holden said they dropped more than 150 tons of bp waste into this landfill, 150 tons. >> if the county didn't want it, why is it here?