River-water constituents and concentration is required to evaluate before uses

River-water how healthy it is?

River-water are composed of surface run off and ground water.

The constituent in river water include

Constituent from rain water

Materials added by land erosion and solution of chemicals during travel over and through the soil

Removal of chemicals by plants or reaction with soil constituents

Constituents added through human activities

The average concentration of several constituents in river water around the world shown below

Compound/element---	Value---	Unit
Bicarbonate	58	ppm
Sulphate	11	ppm
Chloride	7.8	ppm
Nitrate	1	ppm
Calcium	15	ppm
Magnesium	4.1	ppm
Sodium	6.3	ppm
Potassium	2.3	ppm
Iron	0.7	ppm
Silica	13	ppm
Total	120	ppm

Dissolved solids represent an important category of constituents in river water, the average concentration of total dissolved solids ranged from 20 to 950 ppm.

The suspended solids also not less important constituents of river water, it’s range from 15 to 1630 ppm.

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