Sampling location

Cd (µg/ml)

Fe (µg/ml)

Zn (µg/ml)

Pb (µg/ml)

Indata spring

0.004

ND

0.232

0.000

Kamira 1

0.001

ND

0.028

0.000

Kiwera spring

0.005

ND

0.024

0.000

Indata River I.R

ND

ND

ND

0.000

Gasaro/Burere source

0.004

ND

0.155

0.000

Rembwe

0.004

0.000

0.022

0.000

Kasasa spring

0.002

ND

0.009

0.000

Kamira spring

0.002

0.000

0.118

0.000

Standards WHO [45]

0.003

0.05

0.01

0.000