INVESTIGATION OF HARAZ RIVER POLLUTANTS AND MANAGEMENT SOLUTIONS TO CONTROL THEM

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KARBASI A.R.; KALANTARI F.

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2007 | Volume:9 | Issue:3 (34) Page(s): 61-70

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Title

INVESTIGATION OF HARAZ RIVER POLLUTANTS AND MANAGEMENT SOLUTIONS TO CONTROL THEM

Author(s)

KARBASI A.R. | KALANTARI F. | Issue Writer Certificate

Keywords

POLLUTANTQ2

HARAZ RIVERQ3

CONTROLQ4

MANAGERIAL SOLUTIONSQ3

Abstract

Haraz River (181 Kmlong) flowing a long distance, passes through the city of Amol and flows towards the sea in an area named Sorkhrood. The watershed basin of this river is 8513.6 Km, which is located in such cities as Amol, Babol, Mahmood-Abad, Fereydoon-Kenar, and Noor and considered as part of the agricultural lands of Mazandaran Province.To study the POLLUTANTs of HARAZ RIVER, three hydrometric stations called Panjab, Karesang and Sorkhrood were chosen. After determining the area under study, some samples were obtained in different seasons in 1382. Then, the graph of the results was drawn by Excel software and compared with potable water standards. By studying the indicators of the river's water quality in the years 1380-1382 and 1359-1375 and comparing them with acceptable standards, maximum permitted limits for drinking water, and the pollution concentration of drinking water, it became clear that that the quantity of DO, BOD, COD, NH3, EC, Turbidity, Color and number of Coliforms were more than the standard limits, which might be caused by environmental changes and by the wastewater flowing into the river. An increase in rainfall in autumn leads to an increase in the quantity of BOO, EC, ms, TSS, NO3, and P04. It is to be mentioned that the type of vegetation can also play a role. In the upstream where the coniferous trees are not very thick, with an increase in the rainfall, the quantity of TDS in the downstream increases. Comparing the pollution indicators of the years 80-82 with those of 59-75, it was seen that the amount of DO during the years 59-75 was in an acceptable range, but during the years 80-82 and due to the wastewater flow into the river, the amount of DO has decreased about 0.6 times. COD and BOD were found to be beyond the permitted range in 1359-1375. COD was 0.8 times lower during the years 80-82 than the years 59-75 and BOO was 1.06 times more during the years 80-82 than the years 59-75. Ammonia in the years 59-75 has also been more than the permitted limits, which shows contamination by domestic wastewater. The amount of EC was 1.3 times lower during the years 59-75 than the years 80-82, which can be due to the industrial wastewater flow into the river. The amounts of Turbidity, Barium and Color during the years 80-82 have been higher than the permitted limits for potable water. Meanwhile, the amount of TDS is lower than the desired limit despite the fact that it has increased by 1.05 times compared with the years 59-75. Moreover, with regard to the number of Coliforms in the years 80-82, the river's water was classified as suspected. At the end, it should be mentioned that we need to prevent the flow of agricultural and urban wastewater into the river in order to have an optimal management for HARAZ RIVER.

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APA: Copy

KARBASI, A.R., & KALANTARI, F.. (2007). INVESTIGATION OF HARAZ RIVER POLLUTANTS AND MANAGEMENT SOLUTIONS TO CONTROL THEM. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 9(3 (34)), 61-70. SID. https://sid.ir/paper/87163/en

Vancouver: Copy

KARBASI A.R., KALANTARI F.. INVESTIGATION OF HARAZ RIVER POLLUTANTS AND MANAGEMENT SOLUTIONS TO CONTROL THEM. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2007;9(3 (34)):61-70. Available from: https://sid.ir/paper/87163/en

IEEE: Copy

A.R. KARBASI, and F. KALANTARI, “INVESTIGATION OF HARAZ RIVER POLLUTANTS AND MANAGEMENT SOLUTIONS TO CONTROL THEM,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 9, no. 3 (34), pp. 61–70, 2007, [Online]. Available: https://sid.ir/paper/87163/en

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