Inferred Industrial and Agricultural Activities Impact on Groundwater Quality of Skhira Coastal Phreatic Aquifer in Southeast of Tunisia (Mediterranean Region)

Table 8

Irrigation quality of groundwater based on sodium percentage % Na [39].

%Na	Class	Number of samples	% of samples
0-20	Excellent	0	0
20-40	Good	0	0
40-60	Permissible	16	80
60-80	Doubtful	4	20
>80	Unsuitable	0	0