Every Saturday for the past nearly 30 years, an area off of Atascadero Road at the old sewer plant in Morro Bay has been open for household hazardous waste disposal everything from batteries and light bulbs to paint and even oil.This has been like a big convenience. Its actually been very resourceful for not just us but for a lot of people that are around here," said Brenda Martin, Morro Bay resident.The closing of escrow on the site earlier thi…