Drinking Water Quality Status and Contamination in Pakistan

Table 2

Physicochemical and biological parameters of drinking water quality of twin cities.

Islamabad and Rawalpindi	Total	Percentage of samples contaminated										References
		pH	EC	TDS	Turbidity	Hardness	Physicochemical; values	Total coliform	Fecal coliform	E. coli	Bacteriological values
Islamabad (Isd.)	271	—	—	—	—	—	10.3	—	—	—	77	[13]
CDA (Isd.)	196	—	—	—	—	—	3.6	—	—	—	5.1	[13]
F-10, G-6, G-10, H-9, I-9, Dhok Kala khan, commercial market, New Mirpur, Pindora, Dhoke Ratta	10	—	—	4	—	4	—	Present	Present	Present	—	[14]
Islamabad & Rawalpindi	22	—	—	—	—	—	46	—	—	—	—	[15]
Islamabad & Rawalpindi	130	—	—	—	—	—	—	Present	Present	Present	—	[16]
Islamabad	55	—	—	—	—	—	14.5	Present	Present	Present	—	[17]
Islamabad	32	—	—	—	—	—	—	Present	Present	Present	—	[18]

Number of sampling areas.