Table 4. Water quality classification based on water quality index [23]

From

Water Quality Index (WQI) of Selected Dug Wells in a Coastal Area in Kerala, India

Dipu Sukumaran, Lotus Rani A. K., Harikumar P.S.

American Journal of Water Resources. 2018, 6(4), 181-185 doi:10.12691/ajwr-6-4-6