<![CDATA[Imbalance of supply and demand is the beginning of a scarcity of clean water. To detect the occurrence of water scarcity needed calculation of water demand to estimating water source to be used. Water scarcity occurs due to natural factors associated with limited sources of raw water to water drinking, the system performance of water supply services are inefficient and increasing of water demand. The high level of leakage, inefficient processing, and low of coverage service from PDAM are performance factors that is causing water scarcity. Meanwhile, population growth and development of the region is demand side factor which led to the scarcity of water. Shortage of safe drinking water to the community caused by the condition of water management is not optimal. This is demonstrated by the leakage rate is still above the standard that tolerated (20%), a relatively small customer coverage is 15.69% of the population that has been underserved by the piping systems, idle capacity because of unoptimal instalation. Scarcity can anticipate with three ways: (1) increasing quantity and quality of raw water, (2) save the use of water and recycle waste water, (3) decrease of leakage, improve PDAM performance, and efficiency of water treatment.]]>
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