Evaluation of Raw Water Availability Kaliboyo River in the Effort for Drinking Water Meeting in the District Batang and the City Pekalongan

Abstract One form of delivery of SPAM which is currently running ie Drinking Water Sector Development in Central Java province. One construction site is located in the city of Pekalongan and Batang. With limited sources of raw water through a breakthrough in the region Pekalongan potential utilization of raw water in Boyo Sungai Batang located in the region to meet the needs of drinking water services for the city of Pekalongan and some regional areas in Batang.The purpose of this study is to describe and analyze the fulfillment of raw water for the construction of Pekalongan and Batang, check the availability of raw water in the river Boyo, knowing how much discharge that could be used to help meet the needs of drinking water services in Pekalongan and Batang and effort -upaya for the fulfillment of the raw water continuously in an effort to help meet the drinking water. To check the availability of water in this study FJ Mock method is used to simulate the discharge Q90 for 17 years for irrigation and drinking water needs. Needs Batang and Pekalongan is equal to 450 liters / sec with the distribution of discharge 200 liters / sec for Batang and 250 liters / sec to Pekalongan.there is still a deficit of 1.5 months for raw water supply. In fulfillment of the necessary raw water so that continuous pitcher / reservoir.