Abstract
The aims of this study are to determine the feasibility of Bengawan Solo River water for irrigation of rice field in Sragen, Central Java and to find solution to the problem. The data used in this study were obtained from various literatures related to the issues discussed. The collected data were then selected and analyzed with descriptive argumentative. The result indicates that the water quality of Bengawan Solo River has dropped below the water quality standard grade IV according to Government Regulation Number 82 Year 2001. The use of water from this river has caused the quality of rice to decline below the rice quality standard according to Indonesian National Standard (SNI) 01.6128-2008 due to the bioaccumulation of heavy metals on rice crops, i.e. copper (Cu), mercury (Hg), cadmium (Cd), and Chromium (Cr) exceeded the threshold. Solution proposed to overcome this problem is with counseling programs to farmers conducted by relevant agencies on the use of rice field pollution control technology by physics, chemistry, and biology.
Highlights
The condition of Bengawan Solo River is currently worrying
Pollution in Bengawan Solo River Various studies have concluded that Bengawan Solo River has been polluted
Utomo et al (2010) elaborates that the Bengawan Solo River has been heavily polluted with poor water quality because it contains low oxygen, high CO2, high NH3, high COD, high phenol, and high fat oil
Summary
The condition of Bengawan Solo River is currently worrying. Many people have complained about the water condition of this longest and largest river in the island of Java. The results of observations show that, in plain view, the water of Bengawan Solo River looks turbid mixed with mud in the rainy season; while during the dry season, the water is sometimes slightly dark and smelly. Whereas the Bengawan Solo River is used by some people for their daily needs. The Bengawan Solo River with an average annual rainfall of 2,100 mm is a potential water source for management and development efforts of water resources, to meet various needs and requirements such as for domestic consumption, for drinking water and industrial, irrigation, and others (Ministry of Public Works, 2010)
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