How Much Does a Borehole Cost in Kenya in 2026?
Water is one of the most valuable resources in Kenya, and for many property owners, a borehole is the most reliable way to secure a consistent water supply. Whether you’re building a home in Ruiru, developing a commercial property in Nairobi, or setting up a farm in Kiambu County, understanding borehole drilling costs helps you budget accurately.
Factors That Affect Borehole Cost
1. Drilling Depth
This is the single biggest cost factor. Shallow boreholes (30-80 metres) cost significantly less than deep ones (150-300+ metres). Depth depends on your location’s water table.
2. Geological Conditions
Drilling through soft soil is faster and cheaper than drilling through hard rock formations. Areas with volcanic rock (common in central Kenya) require more powerful rigs.
3. Location & Accessibility
Remote locations increase transport costs. Difficult terrain may require additional site preparation.
Borehole Cost Breakdown (2026 KES)
- Hydrogeological survey: KES 30,000 – 80,000
- Drilling (per metre): KES 3,500 – 7,000
- Casing & screening: KES 60,000 – 200,000
- Pump testing: KES 20,000 – 50,000
- Submersible pump + installation: KES 80,000 – 250,000
- Storage tank (10,000L): KES 40,000 – 80,000
- Water quality testing: KES 5,000 – 15,000
- WRA permit: KES 5,000 – 25,000
- Total estimate: KES 400,000 – 1,500,000
Regional Price Estimates
- Nairobi & Kiambu (100-200m): KES 600,000 – 1,200,000
- Ruiru, Thika & Juja (80-150m): KES 500,000 – 900,000
- Mombasa & Coast (30-80m): KES 350,000 – 700,000
- Rift Valley (150-300m+): KES 800,000 – 1,500,000+
Permits You Need
You need a Water Resources Authority (WRA) permit before drilling. Drilling without a permit is illegal.
Is a Borehole Worth It?
Absolutely. A household spending KES 5,000 – 15,000/month on water pays KES 60,000 – 180,000/year. A borehole costing KES 700,000 pays for itself in 4-7 years.
Get Professional Borehole Consultancy
At Adrielle & MG Projects Limited, our water engineering team provides complete borehole consultancy — from hydrogeological surveys to drilling supervision and pump installation.
- 📞 +254 707 318 087 / +254 716 886 563
- 📧 info@amgprojects.co.ke