Table 1. Acceptable concentration levels (mg/l)

From

Water Quality Index for Assessment of Potability of Groundwater Resource in Langata Sub County, Nairobi-Kenya

EA Ochungo, GO Ouma, JPO Obiero, NA Odero

American Journal of Water Resources. 2019, 7(2), 62-75 doi:10.12691/ajwr-7-2-4