Assessment of Physicochemical and Bacteriological Parameters in the Angads Aquifer (Northeast Morocco): Application of Principal Component Analysis and Piper and Schoeller–Berkaloff Diagrams

Table 3

The Moroccan food and irrigation standards and the WHO guidance values 2011.

Physicochemical and bacteriological parameters	Unit of measurement	WHO guide values 2011	Moroccan standards for human food	Water quality standards for irrigation
T°	°C		Acceptable	35
pH		6.5–8.5	6.5 < pH < 8.5	6.5 à 8.4
Cond	µS cm^−1	400	2700	12
NH4^+	mg.L^−1	1.5	0.5	—
Na^+	mg.L^−1	200	—	—
K^+	mg.L^−1	12	—	—
Ca^2+	mg.L^−1	ND	—	—
Mg^2+	mg.L^−1	ND	—	—
Fe^2+	mg.L^−1	0.3	0.3	—
Mn^2+	mg.L^−1	0.5	0.5	0.2
Cl^−	mg.L^−1	250	750	—
NO2^−	mg.L^−1	3	0.5	—
NO3^−	mg.L^−1	50	50	—
HCO3^−	mg.L^−1	ND	—	518
SO4^2−	mg.L^−1	250	400	250
TC	ufc/100 ml)	>1/100 ml	0/100 ml	—
FC	ufc/100 ml	—	0/100 ml	1000/100 ml
FS	ufc/100 ml	>1/100 ml	—	—
PI	mg.L^−1	—	—	—