Metals       PS Related works Guidelines
John et al. Aboludeet al. EEPA (2003)
Cd <MDL 0.07 0.021 0.003
Co 1.23 - 1.26 -
Cu 0.53 - 0.88 2.0
Mn 0.86 <0.01 1.00 0.5
Fe 1.32 2.47 2.36 0.3
Pb 0.26 0.50 1.22 0.01
Zn 2.51 0.84 0.11 5.0
Cr 0.15 0.50 0.86 0.05
Ni 0.95 4.82 1.61 -
Table 6: Comparison of trace metals levels in water of present study with related works and guide line standards of surface water for protection of benthic organisms (mg/L).