The quality of the water in the rivers that flow through Bali’s capital city of Denpasar are heavily polluted. Tests carried out by the Denpasar environment agency have show both the Tukad Badung and Tukad Ayung to exceed the limits for Class III water.
Indonesia applies four air quality standards:
- Class I – Water suitable for human consumption
- Class II – Water suitable as a raw material to be processed into Class Water for human consumption or for designated domestic purposes.
- Class III – Water that can be used for water recreation purposes, the production of fresh water fish, water for livestock, water for plant cultivation.
- Class IV – Water designated for watering crops and gardens, urban enterprises, industry and water powered generation.
The chief of the environmental agency for Denpasar, A.A. Bagus Sudharsana, told the Bali Post
on Thursday, November 28, 2013, that the condition of the two rivers is a source of concern.
Tests conducted by the Environmental Agency
in cooperation with CV Bina Bwana Wisesa
in April 2013 found water contaminated with fecal coliform
and total coliform
For the Tukad Badung River
the measurement was 930 at the source, 2,400 at the river’s midpoint and 1,400 at the river’s mouth.
For the Tukad Ayung River
the readings were 930 at the source, 430 at the river’s midpoint and 150 at the river’s mouth.
The source of the rivers’ pollution is blamed on cloth dying operations and commercial laundries operating along the riverbanks.
Companies operating business along the river are required to have an environmental planning document (IPAL) detailing how their waste products will be handled.
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