ANALISIS NERACA AIR DAN RANCANGAN KONSERVASI SUMBERDAYA AIR DI DAERAH ALIRAN SUNGAI (DAS) PRUMPUNG, KABUPATEN TUBAN, JAWA TIMUR
ABSTRACT: Development of the
region will increase water requirement. Increased water use will influence
human intervention on water resources. The purpose of this study were to
analyze water availability and water demand, and to provide recommendation of
conservation to increase water storage capacity in Prumpung basin, Tuban.
Prumpung basin geographically located between three sub-districts: Bancar,
Kerek and Tambakboyo with an area of 22.319,14 ha. The calculation was
conducted using water balance analysis. The total water requirement in Prumpung
watershed in 2014 was 138.295.090,73 m3/year and water availability was
64.157.428 m3/year. It meaned that in 2014 Prumpung watershed had water deficit
of 74.137.662 m3/year and need water conservation program. Conservation
programs were conducted by using artificial well, rorak terrace, and retention
pond. The number of conservation unit required were53.281 units artificial
wells, 1.077.708 units rorak terrace, and 72 units retention ponds which can
absorb water of 142.665.013 m3/year. Total cost required was Rp
516.823.553.224,00.
Penulis: Muhammad Syahdan
Shah, M. Yanuar J. Purwanto
Kode Jurnal: jptsipildd160362