Lim et al., 2008; Muhammad et al., 2010). Geological work, especially
in regard to the petrochemical aspects of the mafic and ultramafic
rocks and associated chromites deposits in Mohmand agency has
been carried out by Badshah (1979) and Jehan (1996). However,
drinking water degradation of the area has not been carried out so
far. In this regard this study aimed to evaluate the effects of mafic
and ultramafic rocks on water in terms of contamination and health
risk and further used the statistical analyses for source apportionment
of contaminations in the study area.