Criteria

Sub-Criteria with

Global (G) and Local (L) Weights

Alternatives

Weija

Kpong

Teshie

Environmental (53.3%)

Resource Availability (RA)

Resource Quality (RQ)

Treatment Waste Management (TWM)

Ecological Impact

L: 0.507 and G: 0.265

L: 0.286 and G: 0.150

L: 0.082 and G: 0.043

L: 0.125 and G: 0.066

0.0212

0.0421

0.011

0.0143

16.9

0.0404

0.0984

0.0289

0.0445

40.5

0.2038

0.009

0.0032

0.0069

42.6

Economic (31.1%)

Energy Cost (EC)

Chemical Cost (CC)

Maintenance Cost (MC)

Construction Cost (CoC)

Financial Viability (FV)

L: 0.302 and G: 0.092

L: 0.100 and G: 0.031

L: 0.049 and G: 0.015

L: 0.147 and G: 0.045

L: 0.403 and G: 0.123

0.0654

0.0024

0.0092

0.0312

0.0834

62.6

0.0201

0.0086

0.0041

0.01

0.03

23.8

0.0069

0.0195

0.0016

0.0037

0.0097

13.5

Technical (10.3%)

Operational Flexibility (OF)

Expertise of Employees (EE)

Land Area (LA)

Storm Drainage (SD)

L: 0.339 and G: 0.038

L: 0.139 and G: 0.016

L: 0.405 and G: 0.046

L: 0.117 and G: 0.013

0.013

0.0063

0.0105

0.0063

32.0

0.0217

0.0078

0.0187

0.0048

47.0

0.0035

0.0016

0.0166

0.0021

21.1

Socio-Cultural (5.3%)

Treated Water Aesthetics (TWA)

Security of Transmission (ST)

Acceptability (A)

Cultural Resource (CR)

L: 0.227 and G: 0.013

L: 0.308 and G: 0.018

L: 0.205 and G: 0.012

L: 0.261 and G: 0.015

0.0018

0.0097

0.0032

0.0065

36.8

0.0082

0.0024

0.0075

0.0046

39.4

0.0031

0.0057

0.0011

0.0039

24.0