CD Tesis

Analisis Alokasi Air Pada Wilayah Sungai Rokan

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The Rokan River Basin consists of 15 Watersheds, with the Rokan Watershed
being the most dominant (Pola PSDA WS Rokan Lintas Provinsi, 2014).
Originating from the Bukit Barisan range, which stretches along the western side
of Sumatra Island, it flows eastward and empties into the eastern coast of Sumatra
Island in the Strait of Malacca. The population growth rate in the Rokan River
Basin is 4.11% per year, and it has 5% of its land in non-critical condition, while
95% of the Rokan River Basin is in a critical condition. According to data from
the Balai Wilayah Sungai Sumatera III (BWSS III), there are 24 industrial
companies, including palm oil mills (PKS)/palm oil mill factories (PMKS), as
water users, and 13 units of district urban installations managed by regional
drinking water companies (PDAM) as water users in the Rokan River basin.
Based on this data, at least 14 industrial companies will have their surface water
utilization permits expire during the period 2021-2022. The issuance of new water
usage permits is also one of the aspects that need to be considered. This study
aims to analyze the water balance conditions in the Rokan River Basin and the
implementation of water allocation for various water user needs according to
their respective characteristics and priorities. The data used in this study are
secondary data, including rainfall data, river water level data, water user
technical recommendations from BWSS III, and the catchment area of the river
basin obtained from the ArcGIS application. The research method used in this
study is quantitative and descriptive-analytical. The results of the analysis in this
study indicate that based on the normal year and wet year scenarios, there is
sufficient water availability to meet the water user's needs. However, during a dry
year, based on the Q80 value for July period 2, one node out of 36 nodes
experiences a deficit, namely node 3, which represents irrigation needs in the
Kaiti Samo Irrigation Area. Therefore, water allocation of 0.54 m3/s is required
for node 3. Irrigation water needs are one of the priority needs, so reducing water
allocation throughout the year cannot be done directly. Therefore, the water
allocation for that node can be implemented by adjusting the water intake
schedule or arranging the water withdrawal pattern.
It is expected that the results of this research can be used as a reference for water
resource managers, as policy implementers, to oversee and evaluate the issued
water usage permits in order to maintain water availability.
Keywords: Water Availability, Water Needs, Water Balance, Rokan River Basin.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

1810246984

Penerbit

Pekanbaru : Universitas Riau – Pascasarjana – Tesis Teknik Sipil., 2023

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

1810246984

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

TEKNIK SIPIL

Info Detail Spesifik

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Pernyataan Tanggungjawab

FATAH

Versi lain/terkait

Lampiran Berkas

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