Volume 15, Issue 3 (12-2022)
ijhe 2022, 15(3): 441-456 |
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Ghamarnia H, Palash M, Palash Z. Golin river water quality assessment in Kermanshah province using water quality index and river pollution index. ijhe 2022; 15 (3) :441-456
URL: http://ijhe.tums.ac.ir/article-1-6670-en.html
URL: http://ijhe.tums.ac.ir/article-1-6670-en.html
1- Department of Water Engineering, Agriculture and Natural Resources Campus, Razi University, Kermanshah, Iran , hghamarnia@razi.ac.ir
2- Department of Water Engineering, Agriculture and Natural Resources Campus, Razi University, Kermanshah, Iran
2- Department of Water Engineering, Agriculture and Natural Resources Campus, Razi University, Kermanshah, Iran
Abstract: (1062 Views)
Background and Objective: Increasing the productivity of surface water, the unsustainable development of agriculture in the boundaries of rivers, and human sewage have reduced the quality of these water resources. Therefore, investigating the amount of pollution and its sources is very necessary for regional planning. This study aimed to evaluate the water quality of the Golin River using WQI and Liou indexes.
Materials and Methods: Sampling of Golin river water was performed to check water quality based on (WQI) and (Liou) indices in Najjar village station for one year from April 2019 to March 2020.
Results: Water quality, according to the Liou index, during the research period in the sampling station in September and March, was in a good category and other months were slightly polluted. According to the results of the WQI index, water quality in September and March were in the excellent descriptive category, with values of 47.82 and 49.74, respectively, but in other months it was in a good category. In September and March, water quality improved compared to other months because of lower BOD5 due to reduced agricultural activities, and both indicators showed these quality changes well.
Conclusion: Due to the lack of stable conditions in water quality affected by seasonal changes and its departure from the category of high-quality water according to the results of the WQI index and also a little water pollution according to the Liou index, the direct use of Golin River water for drinking purposes is recommended and for this purpose, regular purification should be done and accurate and continuous evaluations of water quality in Golin River are necessary.
Materials and Methods: Sampling of Golin river water was performed to check water quality based on (WQI) and (Liou) indices in Najjar village station for one year from April 2019 to March 2020.
Results: Water quality, according to the Liou index, during the research period in the sampling station in September and March, was in a good category and other months were slightly polluted. According to the results of the WQI index, water quality in September and March were in the excellent descriptive category, with values of 47.82 and 49.74, respectively, but in other months it was in a good category. In September and March, water quality improved compared to other months because of lower BOD5 due to reduced agricultural activities, and both indicators showed these quality changes well.
Conclusion: Due to the lack of stable conditions in water quality affected by seasonal changes and its departure from the category of high-quality water according to the results of the WQI index and also a little water pollution according to the Liou index, the direct use of Golin River water for drinking purposes is recommended and for this purpose, regular purification should be done and accurate and continuous evaluations of water quality in Golin River are necessary.
Type of Study: Research |
Subject:
WATER
Received: 2022/06/10 | Accepted: 2022/11/15 | Published: 2022/12/21
Received: 2022/06/10 | Accepted: 2022/11/15 | Published: 2022/12/21
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