wastewater plant or collection system work experience; or 2 years of verifiable mechanical experience working with pumps..., compressors, blowers, or engines. Wisconsin Department of Natural Resources (DNR) Basic General Wastewater Operator certification...
wastewater plant or collection system work experience; or 2 years of verifiable mechanical experience working with pumps..., compressors, blowers, or engines. Wisconsin Department of Natural Resources (DNR) Basic General Wastewater Operator certification...