| No | Scheme | Component | Parameters and/Status |
| 1. | Eastern water supply scheme | Source:
1. Turasha intake |
River abstraction (River Turasha) |
| 1. Sample for Reference | Turasha Treatment Work | Design capacity of treatment works is 1900m3/day.
Current production is 1,300m3 per day, Demand – over 19000 m3/day. |
|
| Treatment type;
Turasha treatment plant |
Full treatment | ||
| Pumping
Pump No. 1 Pump no. 2 |
2 No. pumping units. Duty and stand by pumps
Pump 1: 100m3/hour and operational Pump 2: 100 m3/ hour and not operational. |
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| Pakawa borehole | Yield Pakawa borehole: 240m3/day and operational. | ||
| Karunga borehole | Yield Karunga borehole: 720 m3/day and operational | ||
| NAWASSCO production _ (Malewa source) | Design capacity 2000m3/day
Current production 2000m3/day but very erratic |
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| Treatment type: NAWASSCO Malewa source | Full convectional treatment plant | ||
| Western water supply scheme | Source: Nguso springs | Spring abstraction | |
| Treatment type | Design capacity: 5000m3/day
Treatment type: Half treatment (Chlorination only) |
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| Pumping: No pumping | Conveyance type: Full gravity conveyance | ||
| Kandutura borehole | Kandutura borehole yield: 720m3/day and operational | ||
| Southern water supply scheme | Source: Nguso spring | Spring water abstraction | |
| Treatment type | Design capacity: 5000m3/day
Treatment type: Half treatment (Chlorination only) |
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| Pumping: Two stage pumping (Booster pumps) | 2 stage pumping (Booster pumps)
Pump 1: Nguso pumps- 100m3/hour and operational Pump 2: Kibunja pumps- 100m3/hour and operational |
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| Twin borehole 1 | Yield Twin borehole 1: 120m3/day and non-operational. | ||
| Twin borehole 2 | Yield Twin borehole 2: 96m3/day and operational. | ||
| ADB Borehole-Molo | Yield-720m3/day. Operational | ||
| Marishoni borehole | Yield – 720m3/day. Operational | ||
| Office borehole Elburgon | Yield – 360m3/day. Operational | ||
| ADB Borehole- Elburgon | Yield 720m3/day. Non-operational | ||
| High level tank borehole – Molo | Yield 120m3/day. Operational | ||
| Mau summit borehole | Yield 720m3/day. Operational | ||
| Total A Borehole-Solar powered | Yield 72m3/day. Operational | ||
| Total B borehole- Market | Yield 72m3/day. Operational | ||
| Silibwet spring | Yield 720m3/day. Operational | ||
| Rongai south treatment works | Abstraction: river abstraction. Design capacity 2000m3/day. Capacity to Southern scheme 800m3/day Treatment type: full convectional treatment plant. | ||
| Pumping: back washing pump | Gravity fed system. | ||
| Central water supply scheme | Golf borehole | Yield 120m3/day. Operational | |
| Shell isolated borehole | Yield 120m3/day. Operational | ||
| Kerma borehole | Yield 72m3/day. Operational | ||
| Manjangwa borehole | Yield 384m3/day. Operational with dry running challenges | ||
| Kerma ADB borehole | Non-operational | ||
| Rumwe borehole | Yield 192m3/day. Operational | ||
| Njuguine borehole | Yield 240m3/day. Operational but frequently dry runs during dry seasons | ||
| Nguriga borehole | Yield 240m3/day. Operational but frequently dry runs during dry seasons | ||
| Kiamunyi borehole | Yield 792m3/day. Operational | ||
| Gichobo borehole | Yield 240m3/day. Operational | ||
| Rongai south treatment works | Abstraction: river abstraction. Design capacity 2000m3/day. Capacity to central scheme 1200m3/day Treatment type: full convectional treatment plant. | ||
| Pumping: back washing pump | Gravity fed system. | ||
| Northern water supply scheme | Subukia spring | Yield 2000m3/day. operational | |
| Ndungiri NAWASSCO water | Imported water from boreholes. Supplied on rationing. | ||
| Bahati Chania | Raw water whose yield is unknown. Shared abstraction point. Share with community practising irrigation. | ||
| Crater stream | Raw water whose yield is unknown. Shared abstraction point. Share with community practising irrigation. | ||
| Kabatini west acre | Raw water whose yield is unknown. Shared abstraction point. Share with community practising irrigation. | ||
| Storage Tanks. | |||
| Eastern scheme | High level tank | Reinforced concrete tank. Capacity 2000 m3 in Gilgil Langalanga area. Operational. | |
| West comm (Kenyatta barracks) tank | Reinforced concrete tank. Capacity 1000 m3. Operational in Gilgil area | ||
| Central tank | Reinforced concrete tank. Capacity 3000 m3. Operational in Gilgil town. | ||
| ASTU reservoir | Reinforced concrete tank with a capacity of 1000m3. Non-operational due to scarcity of water in the area. The tank is in syndicate, Gilgil area. | ||
| Clear water tank | Reinforced concrete tank with a capacity of 750m3. The tank is operational and located within the treatment works in Turasha, Langalanga area. | ||
| Karunga tank | Ground masonry tank located in Karunga area. The tank has a capacity of 200m3 and is operational. | ||
| Northern scheme | Subukia tank | Ground masonry tank with a capacity of 30m3. The tank is in Subukia town and is operational. | |
| Bahati tank | Ground masonry tank with a capacity of 30m3. The tank is in Bahati town and is operational. | ||
| Southern scheme | Molo high level tank | Reinforced concrete
Capacity 500m3 Location Molo Operational |
|
| Molo high level tank | Reinforced concrete
Capacity 400m3 Location Molo Operational |
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| Molo high level tank | Reinforced concrete
Capacity 150m3 Location Molo Operational |
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| Kibunja tank | Reinforced concrete
Capacity 150m3 Location Kibunja Operational |
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| Chesoen tank | Reinforced concrete
Capacity 100m3 Location Chesoen, Molo Non-operational |
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| Mutirithia tank | Reinforced concrete
Capacity 100m3 Location Molo Operational |
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| Molo office tank | Reinforced concrete
Capacity 100m3 Location Molo Operational with leakages |
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| Molo office tank | Reinforced concrete
Capacity 100m3 Location Molo Operational |
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| Elburgon high level tank | Reinforced concrete
Capacity 3000m3 Location Elburgon Operational |
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| Chebonde tank | Gound masonry tank
Capacity 150m3 Location Chebonde, Elburgon Operational |
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| Elburgon tank | Reinforced concrete
Capacity 150m3 Location Elburgon Operational |
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| Nguso masonry sump | Ground Masonry tank
Capacity 150m3 Location Nguso Operational with leakages |
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| Nguso backwashing tank | Ground masonry tank
Capacity 10m3 Location is in Nguso Operational |
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| Rongai south treatment back washing tank | Reinforced concrete tank
Capacity 150 m3 Location Oinoptich Operational. |
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| Mau summit tank | Elevated steel tank
Capacity 90m3 Location Mau Summit Operational |
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| Ketigoi Church tank | Ground masonry tank
Capacity 225m3 Location total, next to Ketigoi church operational |
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| Rongai south Clear water tank | Ground masonry tank
Capacity 100m3 Location Onoiptich operational |
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| Silibwet spring sump | Ground masonry tank
Capacity 50m3 Location Total area operational |
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| Rising Mains | 2.5KM 200mm dia. PVC class E to X
1.8KM 220mm dia. GI pipe to Y |
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| Western water scheme | C15 tank | Reinforced concrete tank
Capacity 250m3 Location Salgaa operational |
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| C25 | Reinforced concrete tank
Capacity 250m3 Location Kampi ya moto operational |
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| E7 | Reinforced concrete tank
Capacity 315m3 Location Sobea operational |
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| A25 | Reinforced concrete tank
Capacity 315m3 Location Burgei operational |
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| Berbur tank | Elevated steel tank
Capacity 24m3 Location Berbur operational |
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| Kandutura tank | Reinforced concrete tank
Capacity 250m3 Location Kampi ya moto operational |
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| Central water supply scheme | Njoro office tank | Reinforced concrete tank
Capacity 250m3 Location Njoro operational |
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| Njoro office steel tank | Steel elevated tank
Capacity 600m3 Location Njoro Operational but require maintenance |
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| Njoro office steel tank | Steel elevated tank
Capacity 40m3 Location Njoro Operational but require maintenance |
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| Njoro water treatment plant | Reinforced concrete tank
Capacity 250m3 Location Njoro, Ngongogeri operational |
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| Njoro water treatment plant | Steel elevated tank
Capacity 60m3 Location Njoro, Ngongogeri operational |
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| Manjangwa elevated tank | Steel elevated tank
Capacity 60m3 Location Njoro, Manjangwa operational |
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| Maili tatu tank | Reinforced concrete tank
Capacity 315m3 Location Njoro, Maili tatu operational |
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| Rumwe tank | Ground masonry tank
Capacity 50m3 Location Rumwe, Piave Operational |
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| Roret tank (Booster pump station) | Ground masonry tank
Capacity 50m3 Location Roret town Operational |
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| Tulwet tank | Ground masonry tank
Capacity 100m3 Location Tulwet Operational |
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| AIC Kapkatet tank | Ground masonry tank
Capacity 100m3 Location Kapkatet Operational |
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| Njuguini tank | Ground masonry tank
Capacity 100m3 Location Njuguini Operational |
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| Njuguini tank | Ground masonry tank
Capacity 225m3 Location Njuguini Operational |
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| Masonic tank | Reinforced concrete tank
Capacity 2x1000m3 Location kiamunyi, Kwa Musoni Non-operational |
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| Mercy Njeri tank | Reinforced concrete tank
Capacity 250m3 Location kiamunyi, Makiki Non-operational |
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| Police line tank Naishi | Ground masonry tank
Capacity 100m3 Location Njuguini, Naishi Operational |
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| Nguriga tank | Ground masonry tank
Capacity 100m3 Location Naishi, Nguriga Operational |
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| Pwani tank | Ground masonry tank
Capacity 100m3 Location Pwani Operational |
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| Ndemi tank | Ground masonry tank
Capacity 100m3 Location Ndemi Operational |
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| Menengai booster tank | Reinforced concrete tank
Capacity 150m3 Location Kiamunyi, Menengai Non-operational |
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| Eastern supply scheme | Distribution and transmission Mains | Ductile iron, DN 300 mm Length 5,153.3 Meter
Galvanized iron, DN 63 mm length 16.7 meters Galvanized iron, DN 600 mm length 10,156.3 meters Galvanized iron, DN 150 mm length 3,547.1 meters Galvanized iron, DN 110 mm length 3,464.6 meters HDPE, DN 50 mm length 8,810.5 meters HDPE, DN 90 mm length 103,570.4 meters HDPE, DN 63 mm length 8,285.5 meters Upvc, DN 50 mm length 224,395.5 meters Upvc, DN 32 mm length 115,657.4 meters Upvc, DN 300 mm length 6,836.3 meters Upvc, DN 150mm length 8,141.8 meters Upvc, DN 110 mm length 16,692.9 meters Steel pipe, DN 600-450 mm length 49,000 meters Upvc, DN 350-110 mm length 16,371.2 meters. |
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| Northern water scheme | Distribution and transmission mains | Galvanized iron, DN 110 mm length 680.3 meters
Upvc, DN 110 mm length 9,856.3 meters Upvc, DN 150 mm length 3,383.6 meters Upvc, DN 32 mm length 4,143.4 meters Upvc, DN 50 mm length 3,023.4 meters Upvc, DN 63 mm length 17,477.3 meters Upvc, DN 90mm length 9,471.3 meters |
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| Southern water supply scheme | Distribution and transmission mains | Galvanized iron, DN 110 mm length 528.7 meters
Galvanized iron, DN 150 mm length 2733.8 meters Galvanized iron, DN 300 mm length 9,696.1 meters Galvanized iron, DN 32 mm length 935.2 meters Galvanized iron, DN 50mm length 4,876.1 meters Galvanized iron, DN 90 mm length 7,269.1 meters HDPE, DN 32 mm length 11,641.9 meters HDPE, DN 63 mm length 5,315.2 meters HDPE, DN 90 mm length 4,714.6 meters Upvc, DN 32 mm length 1,163.3 meters Upvc, DN 50 mm length 1,231.2 meters Upvc, DN 600 mm length 851.2 meters Upvc, DN 63 mm length 1,643.8 meters Upvc, DN 90 mm length 995.3 meters |
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| Western water supply scheme | Distribution and transmission mains | Galvanized iron, DN 110 mm length 41,581.2 meters
Galvanized iron, DN 150 mm length 34,070.1 meters Galvanized iron, DN 200 mm length 19,063.4 meters Galvanized iron, DN 300 mm length 35,405 meters Galvanized iron, DN 32 mm length 1,166 meters Galvanized iron, DN 50mm length 1,314.6 meters Galvanized iron, DN 600 mmm length 1,215.8 meters Galvanized iron, DN 63 mm length 388.2 meters Galvanized iron, DN 90 mm length 580 meters PPR, DN 32 mm length 490.3 meters Upvc, DN 90 mm length 1,339.2 meters Upvc, DN 32 mm length 13,604.9 meters Upvc, DN 450 mm length 3,801.1 meters Upvc, DN 50 mm length 33,500.9 meters Upvc, DN 63 mm length 20,787 meters Upvc, DN 90 mm length 14,479.1 meters |
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| Central water supply scheme | Distribution and transmission mains | Galvanized iron, DN 110 mm length 4,694.8 meters
Galvanized iron, DN 150 meters, length 3,082.3 meters Galvanized iron, DN 200 mm length 861.1 meters Galvanized iron, DN 250 mm length 1,642 meters Galvanized iron, DN 32 mm length 4,043.5 meters Galvanized iron, DN 150 mmm length 22,522.8 meters HDPE, DN 32 mm length 3,735.8 meters Upvc, DN 110 mm length 3,482.3 meters Upvc, DN 150 mm length 1,925.4 meters Upvc, DN 200 mmm length 2,255.9 meters Upvc, DN 250 mm length 1,760.5 meters Upvc, DN 32 mm length 55, 191.1 meters Upvc, DN 50 mm length 32,462 meters Upvc, DN 63 mm length 22,535.2 meters Upvc, DN 90 mm length 13,924.2 meters |
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