Survey of Water Quality in Moradbeik River Basis on WQI Index by GIS

Environmental Health Engineering and Management Journal 2015; 2(1): 7–11

5 Pages Posted: 22 Jun 2015

See all articles by Mohammad Taghi Samadi

Mohammad Taghi Samadi

Department of Environmental Health Engineering, School of Public Health and Center for Health Research, Hamadan University of Medical Sciences, Hamadan, Iran

Shahram Sadeghi

Environmental Health Engineering, Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran

Alireza Rahmani

Department of Environmental Health Engineering, School of Public Health and Center for Health Research, Hamadan University of Medical Sciences, Hamadan, Iran

Mohammad Hossien Saghi

Department of Environmental Health Engineering, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Date Written: January 12, 2015

Abstract

Background: Survey of pollution and evaluation of water quality in rivers with Oregon Water Quality Index (OWQI) and GIS are effective tools for management of the impact of environmental water resources. The information in calculating the WQI of Moradbeikriver allowed us to take our tests results and make a scientific conclusion about the quality of water. GIS can be a powerful tool for developing solutions for water resources problems for assessing water quality, determining water availability, preventing flooding, understanding the natural environment, and managing water resources on a local or regional scale.

Methods: The WQI of Moradbeikriver consists of nine tests: Fecal Coliform (FC), Biochemical Oxygen Demand (BOD5), Nitrates (NO3), Total Phosphate (PO4), pH, temperature, Dissolved Oxygen (DO), turbidity, and Total Solid (TS). Water quality of Moradbeikriver was investigated for 12 months. Concentrations of these nine variables were normalized on a scale from 0 to 100 and translated into statements of water quality (excellent, good, regular, fair, and poor). Also this data were analyzed with WQI index, and then river basis on water quality was zoning by GIS.

Results: The average of WQI was 61.62, which corresponded to "medium" quality water at the sampling point 1 (best station) and decreased to around 26.41 (bad quality) at sampling point 6. The association between sampling points and water quality indexes was statistically significant (P<0.05).

Conclusion: Based on physical, chemical and biological agent monitoring and also with control of water quality indexes of these points, we observed wastewater and other river pollutants.

Keywords: Water quality evaluation, Water quality index, GIS, Moradbeik

Suggested Citation

Samadi, Mohammad Taghi and Sadeghi, Shahram and Rahmani, Alireza and Saghi, Mohammad Hossien, Survey of Water Quality in Moradbeik River Basis on WQI Index by GIS (January 12, 2015). Environmental Health Engineering and Management Journal 2015; 2(1): 7–11. Available at SSRN: https://ssrn.com/abstract=2610038

Mohammad Taghi Samadi

Department of Environmental Health Engineering, School of Public Health and Center for Health Research, Hamadan University of Medical Sciences, Hamadan, Iran ( email )

Daneshgah-e-Bu Ali Sina
Hamadan
Iran

Shahram Sadeghi

Environmental Health Engineering, Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran ( email )

Sanandaj
Iran

Alireza Rahmani

Department of Environmental Health Engineering, School of Public Health and Center for Health Research, Hamadan University of Medical Sciences, Hamadan, Iran ( email )

Daneshgah-e-Bu Ali Sina
Hamadan
Iran

Mohammad Hossien Saghi (Contact Author)

Department of Environmental Health Engineering, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran ( email )

Velenjak Street, Shahid Chamran High Way
Tehran
Iran

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