Rural area sewage distribution rate is 40 % less than urban area. Previous research results announced that one of the reason
in water resource pollution was caused of low rural area sewage distribution rate. Analysis on operation result of 11 RCSTP
in Bong-hwa area which is located at the upper region of An-dong Dam and Im-ha Dam. Based on operation result, an
analysis on characteristics of wastewater in Bong-hwa and treatment efficiency of installed treatment process was conducted.
The wastewater influent of Bong-hwa contained high organic matter and nutrient than those of urban area. Treatment process
showed totally stable treatment efficiency. But, The treatment efficiency for nutrient showed high fluctuation. This result
means which is need to operation condition control of nutrient treatment when operating RCSTP.