Wastewater management strategies planning of Cimahi city based on 2018 city sanitation strategy guideline

Abstract

Cimahi City is one of the developing cities in Indonesia that has low service sanitation condition, especially in domestic wastewater management. In 2016, the coverage of domestic wastewater services in the city only reached 68.17 %. It shows that 31.83 % of Cimahi region is not yet served with wastewater systems. In consequences, some communities discharging their wastewater to the stream. This matter could lead to water pollution that will indirectly affecting public health, potentially waterborne diseases. Based on these problems, this research was carried out to calculate the level of risk in each urban village of Cimahi. The risk level is stated in the form of scores 1-4 with a description of 1 is very low risk; 2 is low risk; 3 is high risk; 4 very high risk. The risk calculation considers the determinants (exposure and impact) which consist of the percentage of wastewater service, risk index based on the EHRA study, perceptions of related regional organizations, population, population density, poverty rates, and regional categories. The results obtained from the calculation of the risk of domestic wastewater in Cimahi show that the Pasirkaliki, Cibabat, Citeureup, Cipageran, Baros, and Cibeber have a very low risk; Cimahi and Utama are at low risk; Karangmekar, Cigugur Tengah and Cibeureum are at high risk; while Padasuka, Setiamanah, Leuwigajah and Melong have a very high risk, respectively.