Why Is My Existing Borehole Drying Up or Yielding Less Water in Zimbabwe?
Having your borehole water yield drop or dry up completely is a major setback, especially when relying on a secure water supply for your household, farm, or commercial property.
Understanding why your water borehole is underperforming is the first step toward restoring reliable water flow.
Key Takeaways
Seasonal & Climate Shifts: Recurrent droughts and delayed rainfall drop local water tables significantly across regions.
Overpumping: Running pumps continuously or using high-powered solar pumps without capacity testing can deplete the water column faster than it recharges.
Siltation & Blockage: Sand, mud, or mineral scaling over time clogs the borehole casing slots or pump intake.
Mechanical Issues: Faulty check valves, worn impellers, or incorrect pump placement mimic a dry borehole.
Primary Reasons Your Borehole Yield Is Dropping
1. Lowered Regional Water Table
Groundwater recharge in Zimbabwe depends heavily on seasonal rains.
2. Siltation and Sand Accumulation
Over time, mud, sand, and fine sediment accumulate at the bottom of the well.
3. Concentrated Neighborhood Extraction
In busy residential areas or commercial farming zones, multiple neighboring boreholes tap into the same underground aquifer.
4. Mechanical Failure or Improper Pump Depth
Sometimes the underground water is present, but your hardware is failing:
The submersible pump is installed too high above the dropping water line.
Worn-out impellers or leaking riser pipes reduce water delivery pressure.
Mineral scaling blocks the pump inlet screen.
Solutions to Restore a Low-Yielding Borehole
Rather than immediately drilling a brand-new well, targeted technical interventions can bring your existing water supply back to life:
| Restoration Solution | Technical Process | Best Used When |
| Borehole Flushing | Clears accumulated silt, mud, and debris using high-pressure air compressor rigs. | Water turns muddy or flow has reduced gradually over time. |
| Borehole Deepening | Drills through existing hard rock to reach deeper, highly reliable aquifers. | The water table drops permanently below your original drilling depth. |
| Pump Lowering | Extends drop pipes to position the submersible pump deeper inside the water column. | The pump sits above the static water level during dry months. |
| Capacity Testing | Conducts multi-hour pumping tests to calculate precise recharge rates. | You need to size the right solar pump system and avoid dry-running. |
Why Choose Nakiso Borehole Drilling?
When it comes to water security, choosing the right drilling contractor makes all the difference.
Scientific Geophysical Siting: We use advanced groundwater mapping technology before drilling to locate high-yielding aquifers and eliminate dry-hole risks.
Industrial-Grade Class 10 Casings: We exclusively use heavy-duty, collapse-resistant Class 9 and Class 10 PVC casings to protect your borehole against shifting soil and long-term siltation.
Modern Hydraulic Fleet: Our advanced air-compressor and mud-rotary drilling rigs easily penetrate Zimbabwe’s toughest granite and complex geological terrains.
Turnkey Water Systems: We handle the entire project in-house—from initial siting and deep drilling to hybrid solar pump installations, elevated tank stands, and clearview perimeter fencing.
Nationwide Reach & Local Expertise: With operational hubs serving Harare, Bulawayo, and regional communities across Zimbabwe, our technical engineers provide fast mobilization and dedicated aftercare.
Contact Nakiso Borehole Drilling Today
Restore your water independence with Zimbabwe’s premier borehole maintenance and drilling specialists.
Head Office (HQ): 55 Churchill Avenue, Harare
Call / WhatsApp: +263 78 860 8009 | +263 78 876 6701 | +263 867 71 88844
Email: info@nakisoboreholes.co.zw
Website:
www.nakisoboreholes.co.zw
About Nakiso Borehole Drilling
At Nakiso Borehole Drilling, we are your comprehensive partner for unlocking reliable water on your property. Our highly skilled team tackles all drilling projects, from standard boreholes to specialized Blast Hole and RC Drilling.
We handle everything in-house for a seamless experience, encompassing expert borehole siting, efficient drilling, and pump installation – solar, electric, or manual – tailored to your specific needs. With Nakiso, your reliable water source is just a drill away.
We don't just strive to be the best; we maintain the industry's strictest quality standards and are committed to sustainable practices for the future of Zimbabwe's water security.
Fact 1: Know Your Borehole Casings
The Preferred Borehole Casing In Zimbabwe Is Class 9 and 10 (Pressure Classes.)
This is because Class 9 and Class 10 Casings are more collapse resistant. The strength of a Casing is often described as collapse resistance.
Fact 2: Borehole Drilling Depth
The exact depth, of where the water is located, cannot be established by the drilling contractor nor the Water Surveyor (Borehole Siter).
Fact 3: There Is No 100% Guarantee
It is important to note that it is never a 100% guarantee that any hole will yield water, the amount and water quality can also not be guaranteed by the drilling contractor and water surveyor.
Fact 4: Siting Is Important
Making use of a hydrologist or traditional water diviner will increase your chances of having a successful borehole that will yield a sufficient amount of water.
Fact 5: Know The Risks
The risk of the borehole drilling lies with the property owner. The client will still be liable for the drilling costs irrespective of a borehole yielding water or not.
Our Branches and Our Contacts
Churchill Ave Branch
Business Offices (HQ):55 Churchill Avenue,
Alexandra Park,
Harare North,
Zimbabwe.
Call Us Today:
Office Numbers: +263 867 71 88844
Sales: +263 78 860 8009
Operations: +263 78 860 8005
Marketing: +263 78 876 6701
Email: info@nakisoboreholes.co.zw
Website: www.nakisoboreholes.co.zw
Bluff Hill Branch
Business Offices:36 St. Anthans Drive,
Bluff Hill,
Harare,
Zimbabwe.
Call Us Today:
Office Numbers: +263 71 494 0883
Sales: +263 78 860 8009
Operations: +263 78 860 8005
Marketing: +263 78 876 6701
Email: info@nakisoboreholes.co.zw
Website: www.nakisoboreholes.co.zw
