From: Groundwater NO3 concentration and its potential health effects in Beni Moussa perimeter (Tadla plain, Morocco)
Wells
Moroccan std.
WHO std.
Min
Max
Mean
SD
N
PL (m)
0.83
37.50
11.49
5.77
208
pH
6.84
7.86
7.20
0.18
230
6.5–8.5
7.0–8.5
EC (dS/m)
0.75
8.20
2.03
1.32
2.70
0.60
NO3−(mg/L)
4.20
80.46
31.92
15.57
50