Commissioners of Public Works is located in Greenwood, SC and it is our mission is to provide clean water, efficient burning natural gas, and dependable electricity service to the businesses and citizens of Greenwood at the lowest possible cost.Water -The Greenwood Water System is the 12th largest water system in South Carolina. The source of water for CPW is Lake Greenwood. To ensure that the supply is ample and to protect the purity of your water, the water system is monitored and maintained 24 hours a day, seven days a week. In all of the USA, only six water treatment plants have successfully completed all four phases of the Partnership for Safe Water program and received the Excellence in Water Treatment Award. Greenwood CPW was the fourth recipient of this prestigious recognition and the only one in the state of SC.