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

Table 7

Groundwater classification according to electrical conductivity [38].

Type of water	EC (μS/cm)	Number of samples	% of samples
Non-saline water	<700	0	0
Slightly saline	700-3000	2	10
Medium saline	3000-6000	12	60
Highly saline	>6000	5	25
Very saline	>14000	1	5
Brine	>42000	0	0