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Table 5 Computed water quality values for sample sites

From: Water Quality Index for measuring drinking water quality in rural Bangladesh: a cross-sectional study

Sample site upazila name (district name) WQI value Water quality classification based on computed WQI values in sample sites
<50 = excellent; 50–100 = good water; 101–200 = poor water; 201–300 = very poor water, >300 = water unsuitable for drinking
Rangabali (Patuakhali) 40.05 Excellent water
Sadar (Kurigram) 11.79 Excellent water
Rupsha (Khulna) 92.14 Good water
Patharghata (Barguna) 75.35 Good water
Alfadanga (Faridpur) 169.44 Poor water
Kendua (Netrokona) 142.51 Poor water
Debhata (Satkhira) 113.18 Poor water
Shajahanpur (Bogra) 135.67 Poor water
Bijoynagar (B.baria) 111.83 Poor water
Anwara (Chittagong) 253.29 Very poor water
Kamalganj (Moulvibazar) 258.36 Very poor water
Shibchar (Madaripur) 371.50 Water unsuitable for drinking