Water supply and sewage disposal are municipal services which are respectively handled by the Water Supply Office and Water Quality and Environment Office. Water comes from the Hyeongsan River, the multi-purpose Deokdong Dam and several streams. The city is divided into seven water districts, with eight filtration plants and seven sewage treatment plants. One of the sewage treatment plants, Angang Sewage Disposal Plant began operating in April 2005 by the co-investment of the Government of North Gyeongsang and Gyeongju City with a fund of 44,300,000,000 won to install facilities to prevent the pollution of the Hyeongsan River, which is a main water source for Gyeongju and Pohang residents. The plant is located on a spacious site with in Homyeong-ri, Gangdong-myeon in Gyeongju where nature friendly facilities provide recreational venues for the locals. Through of sewer pipes and 14 pumping stations, the plant has a capacity of 18,000 tonnes of domestic sewage per day that comes from Angang-eup, and Gangdong-myeon. The facilities have high-powered disposal equipment developed by related industrial companies to maintain the discharged water at the first or second degree in quality, so that it is used as river maintenance flow and agricultural water in case a drought occurs.