Completed
Sewerage System and water supply services
Approved
Olkalou Town Sewerage Project
Nyandarua · Ol Kalou · Olkalou
Overall Progress
100.00%
Project Overview
Implementing Agency
Central Rift Valley Water Works Development Agency
Programme
Kenya Towns Sustainable Water Supply and Sanitation Program (KTSWSSP)
Start Date
10 Jan 2022
Planned End
09 Jan 2023
Actual End
-
Contractor
Sinohydro Corporation Ltd
Consultant
SCET-TUNISIE, GATH CONSULTING ENGINEERS & LOSAI MANAGEMENT LTD JV
Location Type
Urban
Target Areas
Ol Kalou town & environs
Scope of Works
Sewerage Works
• Construction of Wastewater treatment
plant (3,300 m3/day )
• Laying of trunk sewers
• laying of secondary and tertiary sewers,
• Construction of 1 No. Public Sanitation
block
• 500 No. customer connection
Water Supply Works
• Construction of a conventional water
treatment plant (2,000 m3/day).
• Laying a distribution main
• Rehabilitation works for the existing 18 km
Malewa transmission main
• Construction of Administration/
laboratory building
Impacts
Improve access to water and sanitation
Key Challenges
No challenges
Remarks
Completed and operational
GPS Coordinates
-0.272699,36.3775152
Funding Sources
Gok
🇰🇪 Domestic
· Grant
KES 59.0M
Adb
🌍 Foreign
· Loan
KES 589.9M
Total
KES 648.9M
Beneficiaries
6,100
Households
30,500
Population
Technical Specs
Volume Abstracted
2,000.00 m³/day
Treatment Capacity
2,000.00 m³/day
Storage Reservoir
1,000.00 m³
Treated Water Mains
18.00 km
Distribution Lines
10.00 km
Connections
500
Wastewater Production Capacity
3,000.00 m³/day
Wastewater Treatment Capacity
3,300.00 m³/day
Trunk Sewer Main
10.20 km
Reticulation Sewer
25.50 km
Manholes
50
Non-Sewered Sanitation Facilities
20
Sewer Connections (Households)
500
Created 16 Aug 2026, 15:10
· Last updated 16 Aug 2026, 17:18