Treatment Plants and their characteristic values for the core WHO parameters

 
Treatment Plants Parameters
Regions pH Turbidity (NTU) Iron (mg/l) Aluminium (mg/l)

Colour (Hazens) - clarity 

Chlorine residual (mg/l)

Tot. coliform 

(colonies /100ml)

E.coli (colonies /100ml)
WHO Guidelines   6.5-8.5 <5 < 0.3 <0.2 <15  0.2-0.5 Low counts (e.g 0 - 60) 0
Lima 2 Esseq 7.19 3.67 0.26 NA + 0.48 + +
Fellowship 3 WCD 6.80 1.10 0.15 NA + 0.5 + +
Pouderoyne 3 WCD 6.80 0.81 0.09 NA + 0.2 + +
Better Hope 4 ECD 8.11 0.30 <0.02 NA + 0.2 + +
Mon Repos 4 ECD 8.25 0.99 <0.02 NA + 0.4 + +
Central 4 GT 7.31 0.80 fluctuates NA + fluctuates + +
Sophia 4 GT 7.82 0.62 0.20 NA + fluctuates + +
Cotton Tree 5 WCB 6.59 0.86 0.05 NA + 0.5 + +
N/A 6 Berbice 6.55 0.41 0.04 NA + fluctuates + +
Port Mourant 6 Berbice 7.20 0.30 <0.02 NA + 0.5 + +
Queenstown 6 Berbice 6.78 0.47 0.18 NA + 0.5 + +
No. 56 6 Berbice 6.72 0.28 0.07 NA + 0.6 + +