ORIGINAL RESEARCH
Application of Models for Assessing Pollution
Load Capacity and Strategic Management
of the Klampok Sub-Watershed
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1
Departement of Environmental Engineering, Faculty of Engineering, Diponegoro University,
Semarang, Indonesia 502775
2
Faculty of Law, Diponegoro University, SH, Semarang, Indonesia 502775
3
Environmental Sustainability Research Group, Departement of Environmental Engineering,
Faculty of Engineering, Diponegoro University
Submission date: 2024-08-12
Final revision date: 2024-10-30
Acceptance date: 2025-01-03
Online publication date: 2025-03-03
Corresponding author
Mochamad Arief Budihardjo
Department of Environmental Engineering, Faculty of Engineering, Universitas Diponegoro
Jl. Prof. H. Sudarto, SH Tembalang, Semarang, Indonesia, 50275, Indonesia
KEYWORDS
TOPICS
ABSTRACT
The Klampok River, part of the Klampok sub-watershed in Semarang Regency, Central Java,
faces reduced carrying capacity and water quality owing to high-intensity anthropogenic activities.
This study applied the pollutant index method, based on the Ministry of Environment Regulation
115/2003, to analyze the BOD and COD concentrations in river samples. The results indicated pollution
at one or all six sampling points, with the Klampok sub-watershed land classified as class III and IV,
showing a land-carrying capacity deficit but a water-holding capacity surplus. The Klampok River
cannot accommodate BOD and COD pollution loads in any segment, leading to a mildly to moderately
polluted water quality status. SWOT and QSPM analyses suggest an aggressive and progressive
management strategy for the sub-watershed, emphasizing three key components: environmental
capacity, pollution regulation, and community involvement.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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