Classification of Irrigation Water Quality (EC & amp; pH)

Classification of Irrigation Water Quality (Based on EC & pH)

Quality of Water	EC (mmhos/cm)	pH
Excellent	0.5	6.5 – 7.5
Good	0.5 – 1.5	7.5 – 8.0
Fair	1.5 – 3.0	8.0 – 8.5
Poor	3.0 – 5.0	8.5 – 9.0
Very Poor	5.0 – 6.0	9.0 – 10.0
Unsuitable	> 6.0	> 10.0