Water Quality Index for water bodes; zou need the flowing principle analysis: (pH) power Hydrogen, (DO) Dissolved Oxygen, (BOD5) Biochemical Oxygen Demand, (COD) Chemical Oxygen Demand, (TSS) Total Suspended Solids, (TDS) Total Dissolved Solids, (PO4)Phosphate, (NO3) Nitrate, (FC): Fecal Coliform as well as analyses of heavy metal. Flowing reference are helpful:

Husein H., H., M., Beda, M., Ali, E., F., Zaghteti, I., Karbouj,. A., 2017. Hydrological Study and Monitoring of Some Pollution Indexes of Nahr Al-Kabir Al-Shamali Basin. Syrian Journal of Agricultural Research 4(3):80-95.

Water Quality Standards and Criteria, Office of Science and Technology, United States Environmental Protection Agency (EPA), 2003.

Water Quality Index for Ecology’s Stream Monitoring Program, Washington State, Department of Ecology, Publication No. 02-03-052, 2002.

British Columbia Water Quality Guidelines (Criteria), Ministry of Environment, 2001.

Canadian Water Quality Guidelines for the Protection of Aquatic Life, CCME Water Quality Index Users Manual, 2001.

The Water Quality Index, Monitoring the Quality of Surface waters, by Mr. Brian Oram, PG, 2010.

Specific Examples of Trend Analysis Using the Oregon Water Quality Index, Laboratory and Environmental Assessment Water Quality Monitoring, Oregon Department of Environmental Quality Headquarters: 811 SW Sixth Ave., Portland, OR 97204-1390.

Global Drinking Water Quality Index Development and Sensitivity Analysis Report.UNEP,2007.

Concept Paper on the New System of Surface Water Quality Standards, USAID from the American People, United States Agency, 2009.

Dear Mohammad

it depends on your purpose. you must find a proper Index then measure its parameter according it for your purpose.

-BEST

Hello

My aim is survey of water quality in arvand river

https://www.iasj.net/iasj?func=fulltext&aId=143732

Article Effect of Hartha and Najibia power plants on water quality i...

http://biopublisher.ca/index.php/ijms/article/html/1928/

www.bumej.com/papers/mej_pub2015_11148539.pdf

https://wedocs.unep.org/bitstream/handle/20.500.11822/8849/-The%20Marshes-Shatt%20al-Arab-%20Gulf%20System%20-%20Status%20Report%20-%20Volume%201-2011The%20Marshes-Shatt%20al%20Arab-Gulf%20system,%20Volume%201-2011.pdf?sequence=3&isAllowed=y

Just a few readily available sources that might be of some use

not relevant to my study area

thank you

I think your place it's so far from me, Thailand. Thank.

It is located between iran and iraq

OK , We can cooperate

Hello

We need to data

Can you give this data?