B-IBI Scores

Water Quality

Impairment

Pangani Basin

Wami-Ruvu Basin

20 - 46

Very Poor to poor

Severe to Slight

-

-

>46 - 72

Fair to Good

Moderate to Less

All 31 monitoring sites

17 monitoring sites (W06, W09,W10, W11, R02, R11, R12, R14, R16, R17, R18, R21, R22, R23, R24, R26 and R28)

>72 - 100

Very Good to Excellent

Very Little to None

All 15 reference sites

All 15 reference sites and 7 monitoring sites (W02, W03, R06, R07, R10, R25 and R27)