Author Archives: Raeli Hydro

Author: Raeli Hydro

Get to know more about how to borehole drilling services in your Area in Kenya, By getting in touch with us for inquiries and more information. Furnish us with your borehole drilling services requirements, location of drilling and urgency, and we will revert with very useful information about the process. We have invested heavily in Borehole drilling equipment, state ofthe art technology, skillset and experience, to deliver the best services to our clients. We drill for homes, schools, churches, communities, non-profit organizations, hotels, lodges and more. https://raelihydro.com/

How Much on Average Does Borehole Drilling Cost in Kenya

By RaeliHydro.com

Water scarcity remains a significant challenge across Kenya, affecting both urban and rural communities. As municipal water supply becomes increasingly unreliable and expensive, many homeowners, farmers, and businesses are turning to borehole drilling as a sustainable solution for their water needs. However, one of the most common questions we receive at RaeliHydro.com is: “How much does it cost to drill a borehole in Kenya?” This comprehensive guide breaks down the costs, factors, and considerations involved in borehole drilling across the country.

Borehole Drilling Cost Summary

Cost Component Price Range (Ksh) Notes
Drilling per Meter 4,500 – 8,000 Varies by location and geology
Average Borehole Depth 60 – 150 meters Depends on water table depth
Total Drilling Cost 270,000 – 1,200,000 Based on depth and conditions
Casing (PVC/Steel) 1,500 – 3,500 per meter Material quality affects price
Submersible Pump 45,000 – 250,000 Depends on depth and capacity
Tank Installation 25,000 – 150,000 Varies with tank size
Electric Connection 30,000 – 80,000 Including wiring and controls
Water Testing 8,000 – 15,000 Laboratory analysis
WRMA License 3,000 – 10,000 Permit and registration fees
Total Project Cost 450,000 – 2,000,000+ Complete turnkey installation

Key Factors Affecting Cost:

  • Location: Urban vs rural, accessibility
  • Geology: Rock formations, soil type
  • Depth: Water table level
  • Borehole Diameter: 4″, 6″, or 8″ drilling
  • Equipment Quality: Local vs imported
  • Company Reputation: Experience and reliability

Understanding Borehole Drilling Costs in Detail

Drilling Costs Per Meter

The cost per meter is the foundation of borehole drilling expenses in Kenya. Currently, drilling rates range from Ksh 4,500 to Ksh 8,000 per meter, depending on several factors. In Nairobi and surrounding counties like Kiambu, Machakos, and Kajiado, rates tend toward the higher end due to harder rock formations and increased operational costs. Coastal regions like Mombasa and Kilifi typically experience lower drilling costs per meter, ranging from Ksh 4,500 to Ksh 6,000, due to softer soil compositions.

Rural areas may see slightly reduced rates, but this advantage is often offset by mobilization costs—the expense of transporting heavy drilling equipment to remote locations. At RaeliHydro.com, we maintain transparent pricing structures that account for all these variables, ensuring our clients understand exactly what they’re paying for.

Depth Considerations

The depth of your borehole significantly impacts the total cost. In Kenya, boreholes typically range from 60 to 150 meters deep, though some areas may require drilling up to 200 meters or more to reach adequate water sources. Shallow boreholes (60-80 meters) might cost between Ksh 270,000 and Ksh 640,000 for drilling alone. Medium-depth boreholes (80-120 meters) range from Ksh 360,000 to Ksh 960,000, while deep boreholes (120-150 meters) can cost Ksh 540,000 to Ksh 1,200,000 just for the drilling component.

It’s important to note that you cannot predetermine the exact depth required. A professional hydrogeological survey, which costs between Ksh 25,000 and Ksh 50,000, helps identify potential water-bearing zones and estimate the likely drilling depth, though actual water-strike depth can only be confirmed during drilling.

Casing and Installation

After drilling, the borehole must be cased to prevent collapse and contamination. Casing involves inserting PVC or steel pipes into the drilled hole. PVC casing is more affordable, costing approximately Ksh 1,500 to Ksh 2,500 per meter, while steel casing ranges from Ksh 2,500 to Ksh 3,500 per meter. For a 100-meter borehole, casing costs alone can add Ksh 150,000 to Ksh 350,000 to your project budget.

The choice between PVC and steel depends on the geological conditions. Hard rock formations or collapsing soils may require steel casing for durability, while stable formations can accommodate PVC casing effectively.

Pumping Equipment

A borehole is only functional with proper pumping equipment. Submersible pumps are the standard choice for boreholes in Kenya, with costs varying based on depth, required flow rate, and quality. A basic submersible pump suitable for domestic use (up to 80 meters depth) costs between Ksh 45,000 and Ksh 85,000. For deeper boreholes or higher capacity requirements, industrial-grade pumps can cost Ksh 150,000 to Ksh 250,000 or more.

Quality matters significantly here. Cheaper Chinese pumps may save money upfront but often fail within one to two years. European brands like Grundfos or Pedrollo, while more expensive, offer reliability and longevity that justify the investment. At RaeliHydro.com, we recommend pumps based on your specific needs and budget, ensuring optimal performance and value.

Storage Tanks and Distribution

Most borehole systems require storage tanks to ensure consistent water supply. Tank costs vary by size and material. A 5,000-liter plastic tank costs approximately Ksh 25,000 to Ksh 40,000, while a 10,000-liter tank ranges from Ksh 45,000 to Ksh 70,000. Steel tanks are more expensive but offer greater durability, especially for large-scale installations.

Tank installation, including a concrete base or elevated stand, adds another Ksh 30,000 to Ksh 80,000 depending on complexity. Distribution piping to connect the borehole to your home or facility varies widely based on distance and piping quality, typically ranging from Ksh 50,000 to Ksh 200,000 for residential installations.

Electrical Work and Controls

Powering your borehole system requires proper electrical installation. This includes connecting the pump to your electrical supply, installing control panels, pressure switches, and safety features. Basic electrical work for a residential borehole costs between Ksh 30,000 and Ksh 50,000. More sophisticated systems with automatic controls, backup generators, or solar power integration can cost Ksh 80,000 to Ksh 300,000.

Solar-powered borehole systems are becoming increasingly popular in Kenya, particularly in areas with unreliable electricity. While the initial investment is higher (Ksh 250,000 to Ksh 600,000 for solar panels, inverters, and batteries), the elimination of electricity costs provides long-term savings.

Water Quality Testing and Treatment

Water testing is a crucial but often overlooked cost component. Laboratory analysis to test for bacterial contamination, mineral content, pH levels, and other parameters costs between Ksh 8,000 and Ksh 15,000. This testing is essential to ensure your water is safe for its intended use.

If testing reveals quality issues, water treatment systems may be necessary. Basic filtration systems cost Ksh 20,000 to Ksh 50,000, while comprehensive treatment including softeners, UV sterilization, and reverse osmosis can exceed Ksh 200,000.

Legal and Regulatory Costs

Drilling a borehole in Kenya requires permits from the Water Resources Management Authority (WRMA). Permit fees vary by borehole purpose and capacity, typically ranging from Ksh 3,000 to Ksh 10,000. While some drilling companies include permit processing in their packages, others charge separately, so clarify this during quotation.

Regional Cost Variations

Borehole drilling costs vary significantly across Kenya’s regions:

Nairobi and Central Kenya: Highest costs (Ksh 6,000-8,000 per meter) due to hard volcanic rock and high demand.

Rift Valley: Moderate costs (Ksh 5,000-7,000 per meter) with variable geology.

Coast Region: Lower drilling costs (Ksh 4,500-6,000 per meter) but higher casing requirements due to sandy soils.

Western Kenya: Moderate costs (Ksh 5,000-6,500 per meter) with generally shallower water tables.

Arid and Semi-Arid Areas (ASALs): Higher costs due to greater depths required and difficult logistics.

Hidden Costs to Consider

Beyond the obvious expenses, factor in potential additional costs:

  • Dry boreholes: Not every drilling attempt yields water. Reputable companies like RaeliHydro.com conduct preliminary surveys to minimize this risk, but it remains a possibility.
  • Maintenance: Annual pump servicing costs Ksh 10,000-25,000.
  • Repairs: Budget for potential pump replacement or pipe repairs over the borehole’s lifetime.
  • Electricity costs: Running a borehole pump increases your electricity bill by approximately Ksh 3,000-8,000 monthly depending on usage.

Making an Informed Investment

While the total cost of a complete borehole installation in Kenya typically ranges from Ksh 450,000 to Ksh 2,000,000, this represents a long-term investment in water security. Compared to ongoing municipal water bills or water delivery costs, most borehole owners recover their investment within three to five years.

At RaeliHydro.com, we provide comprehensive, transparent quotations that account for all project aspects. Our experienced team conducts thorough site assessments, provides realistic cost estimates, and delivers quality installations that stand the test of time. We believe that informed clients make better decisions, which is why we emphasize education and transparency throughout the drilling process.

Before committing to any borehole project, obtain multiple quotations, verify company credentials, ask for references, and ensure all costs are clearly itemized. The cheapest option isn’t always the best—quality drilling, proper equipment, and professional installation ensure your borehole serves you reliably for decades.

For personalized quotations and expert consultation on your borehole project, contact RaeliHydro.com today. Let us help you secure sustainable, reliable water access for your home, farm, or business.

Borehole Drilling Services Company, Kenya

TOP BOREHOLE DRILLING SERVICES COMPANY IN KENYA

Borehole Drilling Services, KENYA : RaeliHydro Borehole Drilling is an Engineering and Borehole Drilling Services Firm that specializes in among others : Borehole Drilling Services in KENYA, Well Casing services, Borehole drilling location research, Water Tank Construction in KENYA, and Water Tower Construction services.

If you have anything you need to know about borehole drilling, get in touch through our official phone number (0700666888) or by mail for inquiries. You will be able to know about Borehole Drilling prices, Borehole drilling machines, The borehole drilling process, Borehole Drilling price in KENYA, Borehole Drilling Quotation and more.

borehole drilling company near me IN Kenya
borehole drilling company near me IN Kenya

Get to know more about how to borehole drilling services in your Area in KENYA, By getting in touch with us for inquiries and more information. Furnish us with your borehole drilling services requirements, location of drilling and urgency, and we will revert with very useful information about the process.

We have invested heavily in Borehole drilling equipment, state ofthe art technology, skillset and experience, to deliver the best services to our clients. We drill for homes, schools, churches, communities, non-profit organizations, hotels, lodges and more.

We are a dynamic group that handles all your borehole needs, pump systems and solar systems installation professionally. We aim at delivering high quality services to our clients at affordable market rates. At Raeli Hydro,  we  have  the   capacity   and  expertise needed to satisfy all your drilling requirements.

Over time, we have established an exceptional reputation as a provider of quality services, using state of the art equipment and client-focused business processes. We liase other industry players to stay updated and deliver internationally reputable services that also meet local standards.

HOW WE GET THE BOREHOLE DRILLING IN KENYA DONE

Our Borehole Drilling Services Process

After the contract Borehole Drilling Services has been formalized, Our technical team visits the site along with geologists to identify the best place to carry out the drilling process. The drilling rig accompanied by a support truck arrives at the site. Based on soil and rock formation conditions, we would take approximately 3 hours to prepare for the drilling process.

The drilling is carried out using the “Down-The-Hole” (DTH) technology. We use high compressed air built within our drilling rig. The size of the hole varies, depending on the client’s requirements.  Geological rock samples are taken every 2 meters. Struck and water rest levels are constantly recorded.

This way we are able to estimate the yield of individual aquifers encountered. Work with RaeliHydro Borehole Drillingfor your Drilling needs

  1. Convenient & Reliable services
  2. Market Friendly drilling rates
  3. Environment Conscious practices
  4. International services standards conformity
  5. Experience and a 98% success rate
  6. Testimonials from our former and current clients
borehole drilling company near me IN Kenya
borehole drilling company near me IN Kenya

NECESSARY DOCUMENTATION FOR BOREHOLE DRILLING IN KENYA, WITH OUR HELP

Hydrological Reports, Water Analisys Reports & NEMA Reports

When necessary, RaeliHydro BOREHOLE DRILLINGSystems will help you acquire the prerequisite documentation (permits and licenses) for drilling activity.

Once the geologist has surveyed the area, he/she will provide you with a detailed report on the geology of the parcel of land. This report will also indicate the estimated depth of the water and the exact location of the borehole. The report is an important document you will require, to get the drilling process going, besides other important documents.

borehole drilling licenses in kenya
borehole drilling licenses in kenya

IMPORTANT LICENSES & PERMITS

  1. Geological/Hydrological Survey carried out by a registered geologist in the designated country.
  2. Water Resource Management Authority (WRMA)Authorization.
  3. Environmental impact assessment report
  4. NEMA License

Unlocking Access to Water: Understanding Borehole Drilling Costs in Kenya

Both the depth and the diameter of the borehole affects how costly your project is going to be. The deeper you drill the borehole, or the wider you have it, the more expensive your borehole will be. These factors determine the Borehole Drilling price in KENYA, more than most of other determining factors.

Access to clean and reliable water is a fundamental necessity for communities, businesses, and agriculture. In regions where municipal water supply systems are unreliable or nonexistent, borehole drilling emerges as a crucial solution to meet the water needs of both rural and urban areas in Kenya.

However, understanding the prices and costs associated with borehole drilling services is essential for individuals and organizations considering this option.

Factors Affecting Borehole Drilling Costs

Several factors influence the cost of drilling a borehole in Kenya. These include:

  1. Depth of the Borehole: The depth of the borehole significantly impacts the overall cost. Deeper boreholes require more time, labor, and resources, consequently increasing the drilling cost.
  2. Geological Conditions: Geological factors such as soil type, rock formation, and water table depth influence the complexity of drilling operations. Challenging geological conditions can increase drilling costs due to the need for specialized equipment and techniques.
  3. Location: The location of the drilling site affects transportation costs for equipment and personnel. Remote areas may incur higher logistical expenses, contributing to overall drilling costs.
  4. Equipment and Technology: The type of drilling equipment and technology utilized can vary significantly in cost. Advanced drilling methods such as rotary drilling or percussion drilling may incur higher expenses compared to manual or traditional drilling techniques.
  5. Permitting and Regulatory Compliance: Obtaining permits and complying with regulatory requirements add to the overall cost of borehole drilling projects. Fees associated with environmental impact assessments and drilling licenses contribute to the total expenses.

Cost Breakdown of Borehole Drilling Services

In Kenya, the cost of drilling a borehole typically ranges from Ksh. 150,000 to Ksh. 500,000 or more, depending on the aforementioned factors. Here’s a breakdown of the typical costs involved:

  1. Preliminary Site Assessment: Before drilling commences, a site assessment is conducted to evaluate geological conditions and water potential. This assessment may cost between Ksh. 10,000 to Ksh. 30,000.
  2. Drilling Operation: The drilling process itself constitutes a significant portion of the total cost. Basic drilling services can range from Ksh. 1,500 to Ksh. 4,000 per meter drilled. For example, drilling a borehole to a depth of 100 meters may cost between Ksh. 150,000 to Ksh. 400,000.
  3. Casing and Installation: After drilling, casing is installed to prevent the borehole from collapsing and to maintain water quality. The cost of casing and installation varies depending on the borehole’s diameter and depth and may range from Ksh. 50,000 to Ksh. 150,000.
  4. Pump and Equipment Installation: Once the borehole is drilled, pumps and related equipment are installed to extract water. The cost of pumps and installation varies depending on the water demand and required infrastructure, typically ranging from Ksh. 50,000 to Ksh. 200,000.
  5. Permitting and Miscellaneous Expenses: Permitting fees, environmental assessments, and other miscellaneous expenses can add several thousand Ksh. to the total cost of the project.

Borehole drilling is a vital investment for communities, businesses, and agricultural operations seeking reliable access to water in Kenya. While the upfront costs of drilling may seem significant, the long-term benefits of securing a sustainable water source often outweigh the expenses.

It’s essential for individuals and organizations to conduct thorough research, obtain multiple quotes from reputable drilling companies, and consider the specific geological and logistical factors influencing the project’s cost.

By understanding the prices and costs associated with borehole drilling services, stakeholders can make informed decisions that contribute to water security and sustainable development in Kenya.

 

Find Cleaning Services in Nairobi, for your home, office and Borehole

Cleaner Nairobi: Your Trusted Provider for Excellent Cleaning Services in Nairobi

Find Excellent Cleaning services in Nairobi and Car Detailing Services today! maintaining clean and organized spaces is essential for comfort, health, and productivity. Whether for homes or offices, cleanliness plays a vital role in enhancing the quality of life and creating an environment where people can thrive. This is where Cleaner Nairobi, a leading cleaning company in Kenya’s capital, comes in. Cleaner Nairobi offers Excellent Cleaning Services in Nairobi that cater to the specific needs of both residential and commercial clients. With a reputation built on reliability, professionalism, and customer satisfaction, Cleaner Nairobi ensures that spaces are spotless, fresh, and inviting.

The Range of Services Offered by Cleaner Nairobi

Cleaner Nairobi provides a wide range of cleaning services tailored to meet the unique needs of Nairobi residents and businesses. These services include:

  1. Home Cleaning Services
    Cleaner Nairobi specializes in comprehensive home cleaning services. From kitchen deep cleaning to bathroom scrubbing and living room dusting, they handle every corner of the house to make sure it’s pristine. Their team cleans bedrooms, living spaces, bathrooms, and kitchens, leaving each area spotless. These Excellent Cleaning Services in Nairobi guarantee that your home remains a comfortable and healthy place for you and your family.
  2. Office Cleaning Services
    A clean office creates a positive first impression and helps to boost productivity. Cleaner Nairobi offers daily, weekly, and monthly office cleaning options. Their office cleaning includes floor sweeping and mopping, window cleaning, desk dusting, waste disposal, and sanitization of high-touch surfaces. These services are ideal for businesses of all sizes in Nairobi, helping to create a clean, organized, and welcoming workspace.
  3. Carpet and Upholstery Cleaning
    Carpets and upholstery often trap dirt, dust, and allergens. Cleaner Nairobi uses high-quality cleaning solutions and professional-grade equipment to remove stains, dirt, and odors, leaving carpets and upholstery looking fresh and smelling great. This is an essential service for both homes and offices that want to maintain a clean environment for occupants.
  4. Deep Cleaning Services
    Deep cleaning goes beyond regular cleaning and covers areas that are often overlooked. Cleaner Nairobi’s deep cleaning services include scrubbing walls, baseboards, light fixtures, windows, and more. This is perfect for clients looking to rejuvenate their space or prepare for special occasions. These Excellent Cleaning Services in Nairobi ensure that every part of the room is thoroughly cleaned and restored to its best condition.
  5. Move-In and Move-Out Cleaning
    Moving can be stressful, and ensuring a clean space before moving in or out can add to the workload. Cleaner Nairobi offers move-in and move-out cleaning services, helping clients transition smoothly. Their team cleans kitchens, bathrooms, floors, and all other areas to ensure that the space is ready for the next occupant.
  6. Post-Construction Cleaning
    After a renovation or construction project, there’s often a lot of dust and debris. Cleaner Nairobi specializes in post-construction cleaning to remove all traces of construction, including dust, leftover materials, and stains. Their Excellent Cleaning Services in Nairobi help transform construction sites into livable, clean spaces, making the transition easier for homeowners and businesses alike.
  7. Window Cleaning
    Clean windows let in more natural light and improve the appearance of any building. Cleaner Nairobi provides professional window cleaning services, removing smudges, streaks, and dust buildup for crystal-clear results. Whether for high-rise offices or residential buildings, their team has the expertise to handle all types of windows safely and effectively.

Why Choose Cleaner Nairobi for Excellent Cleaning Services in Nairobi?

  1. Experienced and Professional Team
    Cleaner Nairobi’s staff consists of trained and experienced cleaners who understand the importance of quality service. They work with attention to detail, ensuring each space is cleaned to the highest standards. The company also conducts background checks and regular training to maintain a skilled and trustworthy workforce.
  2. High-Quality, Eco-Friendly Products
    Cleaner Nairobi prioritizes safety and the environment by using eco-friendly cleaning products that are tough on dirt but safe for humans, pets, and the planet. This commitment to green cleaning sets them apart and aligns with the needs of clients who prefer sustainable practices in their Excellent Cleaning Services in Nairobi.
  3. Customized Cleaning Plans
    Every client has different cleaning needs, which is why Cleaner Nairobi offers customized cleaning plans. They assess each client’s requirements and develop a cleaning schedule and plan tailored to their specific needs, whether it’s a weekly home cleaning or a daily office service. This flexibility makes them a top choice for Excellent Cleaning Services in Nairobi.
  4. Flexible Scheduling
    Cleaner Nairobi understands that people have busy schedules. They offer flexible cleaning times to accommodate the client’s timetable, including early morning, late evening, and weekend services. This convenience ensures that clients can enjoy a clean space without disrupting their daily routines.
  5. Competitive Pricing
    Cleaner Nairobi believes in making quality cleaning affordable. Their rates are competitive, offering clients excellent value for their money. They are transparent about their pricing, with no hidden fees, allowing clients to enjoy Excellent Cleaning Services in Nairobi at a fair cost.
  6. Reliability and Trustworthiness
    Cleaner Nairobi has built a reputation for reliability and consistency. They show up on time, complete tasks efficiently, and leave spaces looking immaculate. This dependability has earned them a loyal client base and numerous referrals.

The Importance of Regular Cleaning Services in Nairobi

Nairobi is a vibrant city, but dust, pollution, and daily foot traffic can quickly make spaces feel dirty. Regular cleaning is essential for a variety of reasons:

  • Health and Hygiene
    Clean spaces reduce the risk of illness by eliminating dust, allergens, bacteria, and viruses. Cleaner Nairobi’s Excellent Cleaning Services in Nairobi create healthier environments, especially important for homes with children and offices with high foot traffic.
  • Improved Productivity
    Clean and organized offices lead to better focus and productivity. By using Cleaner Nairobi’s services, businesses can ensure that employees work in an environment that fosters concentration and morale.
  • Enhanced Aesthetic Appeal
    A clean home or office is more welcoming and pleasant. Cleaner Nairobi’s attention to detail ensures that every part of the space looks fresh, tidy, and appealing, creating positive impressions for guests, clients, and employees alike.

Contact Cleaner Nairobi for Excellent Cleaning Services in Nairobi

Cleaner Nairobi takes pride in offering reliable, efficient, and Excellent Cleaning Services in Nairobi for residential and commercial clients. Their friendly team is ready to tackle any cleaning challenge, no matter the size of the job. From daily office cleaning to comprehensive home deep cleaning, Cleaner Nairobi ensures that each client receives quality service that meets their specific needs.

If you’re in Nairobi and need a dependable cleaning service, reach out to Cleaner Nairobi for a consultation. Experience the benefits of a cleaner, healthier, and more enjoyable space with a company that understands the value of cleanliness and customer satisfaction

 

Step By Step process of getting a high yield borehole

What do you need water for? To irrigate your garden and top up the swimming pool? To provide household water to a small rural community or farm household? Or maybe even to service a multi-hectare irrigation scheme. Whatever your requirements are, nothing beats a source of cost-effective water right where it’s needed. And in most cases, that solution is a borehole.

But drilling a borehole requires some research and planning. And at the Borehole Water Association (BWA), we get many calls from end-users asking us for help on how to go about drilling a borehole. So in this article, we want to answer some of the most common questions we get asked. We trust that the answers will help to make the borehole drilling process as smooth as possible for you and that they’ll help you to get the best return on your investment.

HOW DO I MAKE SURE I DON’T GET RIPPED OFF?

The first way you can ensure that you don’t get “ripped off” is to get educated about the borehole drilling process, and by reading this article you’re already doing that!

Next, it’s important to deal with a reputable contractor who either uses a contract document detailing clear deliverables, or gives a detailed quotation of the work to be done with delivery times and costs. In this way, both you and the contractor will be clear on your responsibilities and expectations. This means that any misunderstandings can be cleared up before work commences, and later if either party does not fulfil their responsibilities, there will be the opportunity for recourse.

The drilling contractor will offer to drill a borehole to a certain standard.

DO I NEED TO REGISTER MY BOREHOLE?

You need to acquire the pre-requisite documentation to comply with your local and national by-laws pertaining to borehole drilling. This is important for your safety and to ensure that the drilling company also works within the legal frameworks. RAELI HYDRO ENGINEERING services will assist you acquire the necessary documentation if need be. The Kenyan government requires the following documents for a borehole drilling process to commence :

  1. Geological/HydrologicalSurveycarriedoutbyaregisteredgeologistinthedesignatedcountry.
  2. Water Resource Management Authority (WRMA)Authorization.
  3. Environmental impact assessment report
  4. NEMA License
  1. What is a hydro-geological report?
    Once the geologist has surveyed the area, he/she will provide you with a detailed report on the geology of the parcel of land. This report will also indicate the estimated depth of the water and the exact location of the borehole.
  2. Why do I need a NEMA report?
    A NEMA report consists of an environmental impact assessment report that details the impact of drilling a borehole on the environment. This is a mandatory requirement by law before drilling of the borehole (in Kenya only)
  3. Why do I need water analysis report?
    After drilling the borehole and doing test pumping, we will take a water sample to the government. We suggest that you contact your local municipality to check on the latest bylaws.

WHERE SHOULD I DRILL THE BOREHOLE?

WHERE CAN THE DRILLING RIG GET TO?

Most residential stands are ringed by palisade fencing or brick walls. Just getting a 25 tonne drill rig onto the property can be difficult to say the least. In quite a few cases there are two choices, the start of the driveway, or the middle of the driveway! In industrial properties and farms the choice becomes a lot easier, because access is easier.

So keep in mind that you may need to do some deconstruction work to allow the drill rig to access your property, and then once the borehole has been drilled, some building work may be required to restore the area. This will not be included in the drilling costs. While this is a hassle, the reality is that borehole drilling will involve some mess, and so it’s better to plan for it than to get a nasty surprise. Discuss this with the drilling contractor and make sure that they can offer a solution that is both practical for your property while still giving the borehole the best chance of success.

WHERE IS THE MOST LIKELY PLACE TO INTERSECT A RELIABLE AQUIFER?

Start with some basic research. Are there producing boreholes close to you? If there are, this is a good sign, but it is not a guarantee that you will be assured of water. You can also talk to a BWA driller that operates in your area to get an idea of how many boreholes they’ve drilled in your area and how much water these boreholes are yielding.

Given that this is a significant investment, you may wish to use the services of a hydrogeologist before you start drilling. A hydrogeologist can carry out a survey of your property in order to pinpoint the spot which offers the best chance of intersecting strong water flows. To do this, they would make use of published data (e.g. groundwater maps) and in some cases, geophysical instruments. In the right conditions, these methods have a very good level of success.

WHAT IF THE DRILLER DOES NOT FIND WATER?

Your agreement with the driller will be to drill a hole in the ground, with the possibility of tapping into a sustainable source of water. If good siting procedures have been followed and in the unlikely event that the hole was found to be “dry”, you will still be required to pay the contractor for the drilling. However, you will not be required to pay for any materials and equipment that would be required for a complete installation, namely the pump, piping and electrics. (Make sure your contract clearly states this.) These items are a function of the amount of water available or required and can only be selected once a test has been done on the yield potential of the hole. Essentially, no water means no pump and related equipment is necessary.

WE’VE HIT WATER! NOW WHAT?

If a water source is intersected, it is possible to get an idea of whether or not it is viable to continue with the development of the hole. Most drillers offer yield testing services, but this may be done by a separate contractor.

After flushing all the loose cuttings and material out of the hole, the next step is to install a test pump and measure how much water can be sustainably pumped for an acceptable amount of drawdown in water level. Briefly, a yield test is done by pumping a measured flow rate from the hole while monitoring the drawdown in water level. This will be done over a defined period of time. While a genuine yield test brings with it extra costs, the money is worth every cent.

WHAT KIND OF BOREHOLE PUMP WILL I NEED?

You may wish to have a second contractor select and install a pump and ancillary equipment or your driller may be in a position to offer a turnkey service.

Pumps fit into three categories: too big, too small or just the right size for the job. Good selection and years of trouble-free operation starts with reliable borehole data gathered from the yield test. Be careful of “this month’s special, a 0,75kW pump for only….”. The chances are good it’s totally unsuited for your application.

Get your contractor to explain the capabilities of the pump and the controls and protection devices they have installed. An informed end user will be able to recognise the first signs of potential problems and call in qualified help before things get too expensive.

The electrical side of the installation MUST be done by a qualified electrician who is trained or well-experienced with groundwater installations. Your borehole is an integral part of the electrical system of the property and must form part of the Certificate of Compliance (CoC).

HOW SHOULD I CARE FOR MY BOREHOLE?

As with anything else, with the ability to access groundwater comes the responsibility to care for the resource for all other users and for generations to come:

POLLUTION

The top of the borehole should be finished off correctly. You should then take basic care around the hole so as not to let any run-off, pesticides or other pollutants enter the hole. Should the water in your borehole become polluted, the process of cleaning the aquifer up is huge and expensive task. Sources of pollutants include fertilisers and hydrocarbons (petrol, diesel, engine oil).

WATER CONSERVATION

Irrigate in the later part of the afternoon in order to reduce losses due to evaporation. Even though you can now access “free” water, use it sparingly. Water running out of a garden and down a storm water drain is wasteful, and it adds to the cost of operating the borehole, for no return.

Water only when necessary. Automatic irrigation systems can be very useful, but you’ll need to keep adjusting the settings based on the season and the level of rainfall you’ve had. Don’t let the system run if it is raining and consider adding a rain sensor or a soil moisture sensor to your irrigation system to prevent unnecessary watering.

WHAT SORT OF LIFESPAN CAN BE EXPECTED?

If all the boxes have been ticked, a 20-year life for the major components can be expected. The water in the aquifer might fluctuate with the seasons (groundwater relies on rainfall) but properly managed, the resource should be there when your great grandchildren need water!

SO, IS A BOREHOLE A GOOD INVESTMENT?

Owning a borehole will add significant value to your property and over a period of time it will represent a good investment. This assumes that the installation has been done by professionals and it has been operated with due care.

The best Borehole Drilling Companies in Kenya

Looking for the best company in Kenya to get your borehole drilling process going ? A company that listens to your requirements and needs for a borehole, then maps those requirements into a product that fits like a cog in  wheel with them ?

We are RAELI HYDRO ENGINEERING SYSTEMS, and we have vast experience in borehole drilling services in Kenya. Our team comprises of highly experienced and deeply knowledgeable professionals who will survey, plan, acquire the necessary licensing and permits, mobilize the drilling equipment and machinery, commence the drilling process and deliver an optimal borehole product that yields optimal water output subject to the circumstances of the drilling location.