Buying a House with a Borehole: Transfer and Checks

Buying a home with a borehole can be genuinely useful — a private water source reduces your dependence on Johannesburg’s municipal supply, which operates on roughly 27 hours of citywide reservoir buffer. But a borehole is also a piece of infrastructure with legal obligations attached, and those obligations transfer with the property. If you are not careful, you can inherit a non-compliant, poorly maintained, or simply unknown-quantity system that costs you money and time to sort out after the keys change hands.

This article walks through what to verify, what paperwork to chase, and what happens to registration when you become the new owner.

Is the Borehole Registered — and Does It Have to Be?

In South Africa, boreholes used for purposes beyond purely domestic household use must be registered with the Department of Water and Sanitation (DWS) under the National Water Act. Even for domestic use, registration is strongly recommended and in many municipalities effectively required before a pump installation permit is granted.

Before you proceed to transfer, ask the seller’s agent for written confirmation of registration status. The DWS maintains a Water Use Authorisation and Registration Management System (WARMS). If the borehole appears there, get the registration reference number. If it does not, that is not automatically a dealbreaker, but it does mean you will need to register it yourself after transfer — and you should factor any associated costs into your negotiation.

For a broader overview of how borehole systems work and what installation involves in Johannesburg, see our borehole drilling guide.

What the Seller Should Hand Over

A responsible seller should be able to provide:

• Driller’s log or completion certificate — issued when the borehole was drilled, showing depth, casing details, and the geological record.
• Water quality test results — ideally recent (within the last 12 months). South Africa’s drinking-water quality standard is SANS 241 (2024 edition); any water used for drinking or cooking should be tested against it.
• Pump installation details — make, model, depth set, electrical specs, and any warranty documents still in force.
• Pump service records — tells you how well the system has been maintained.
• Municipal permission or exemption letter — some local authorities require notification when a borehole is used to supplement or replace municipal supply.

If the seller cannot produce the driller’s log, treat the borehole as essentially undocumented. That shifts more weight onto a physical inspection.

Physical Checks Worth Doing Before Transfer

Do not rely solely on the seller’s word or estate agent’s description. Commission an independent borehole inspection before transfer. A qualified inspector or hydrogeologist will typically check:

Water yield — how many litres per hour the borehole consistently produces. A borehole that was adequate for one household may not suit yours, particularly if you intend to irrigate a garden or fill a pool.

Static and dynamic water levels — the resting water level and the level under pumping conditions. These indicate sustainability of the resource.

Water quality — physical, chemical, and microbiological testing. Groundwater in parts of Johannesburg can carry elevated mineral loads or contamination from historical mining activity. Test before you drink it.

Pump condition — pumps are submersible and therefore not visible, but a specialist can measure performance against the manufacturer’s specifications. Pump replacement typically costs R15,000–R35,000 installed, so knowing whether the current one is near end-of-life is useful leverage.

Borehole casing and seal — a damaged casing can allow surface water and contaminants to enter. This is a structural issue, not a minor maintenance item.

Electrical installation — the pump’s electrical supply should comply with SANS 10142. Check that the installation has a Certificate of Compliance.

If the property also has a backup tank-and-pump system connected to the borehole, inspect that separately. Such systems typically run R20,000–R40,000 for a standard setup, and a whole-house configuration can reach around R55,000 — knowing what you are actually getting (and its condition) is worth the inspection cost.

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Transfer of Registration to the New Owner

Once the property registers in your name at the Deeds Office, you become the responsible party for the water use licence or registration. You will need to notify the DWS — in practice, this means submitting an amendment to the WARMS record to reflect the new owner’s details.

The process is not automatic. The Deeds Office does not communicate property transfers to the DWS. You need to initiate it yourself, and the sooner the better. Operating an unregistered or incorrectly registered water use under the National Water Act carries penalties.

Your conveyancing attorney should flag this in the transfer process, but not all do. Ask explicitly: “What happens to the borehole registration on transfer day?” If they cannot answer clearly, you may need to contact the DWS regional office directly after registration.

Also worth noting: if you later decide to sell the property, buyers will ask exactly the same questions you should be asking now. Keeping the registration current and the paperwork filed makes that process considerably smoother — as covered in more detail in our article on selling a house with a borehole.

Using the Borehole Alongside Municipal Supply

Most Johannesburg households with boreholes use them as a supplement rather than a replacement for municipal water. Johannesburg Water reports non-revenue water of 44.8% (2024/25 audited figures), which reflects significant system losses — but the municipal network remains the primary supply for most properties.

If you plan to connect the borehole to your internal plumbing, be aware that cross-connection between borehole and municipal supply is not permitted without appropriate backflow prevention devices. Johannesburg Water’s bylaws address this. Using the borehole for garden irrigation via a separate outlet is the simplest and least regulated approach.

Also check the property’s existing storage capacity. A backup tank sized for one family’s needs may not match yours, and right-sizing it early avoids retrofitting costs later.

Questions to Ask Before You Sign the OTP

The offer to purchase is your main point of leverage. Once signed, it becomes much harder to negotiate additional disclosures or price adjustments. The questions to ask before you sign include:

Question	Why It Matters
Is the borehole registered with DWS?	Determines your compliance burden post-transfer
When was the water last tested?	Drinking safety and SANS 241 compliance
What is the current yield in litres per hour?	Practical adequacy for your household
How old is the pump, and when was it last serviced?	Likely remaining lifespan and near-term costs
Is there an electrical CoC for the pump installation?	Legal requirement; your liability if absent
Has the borehole ever run dry or been unusable?	Historical reliability

For a broader list of water-related questions to ask before buying any Johannesburg property, see our article on water questions before buying a home.

If the inspection flags issues you want priced before transfer, it helps to know what remediation actually costs. Get free quotes from vetted Johannesburg installers — no commitment required.

After Transfer: Your First 90 Days as Borehole Owner

Once the property is yours, a short checklist will set you up properly:

1. Update the DWS registration — submit new owner details to the regional office.
2. Test the water — get an independent quality test against SANS 241 before using it for anything other than irrigation.
3. Service the pump — even if the seller claims it was recently done, a service visit by your own contractor establishes a baseline.
4. Check the electrical CoC — if one does not exist, get the installation inspected and certified.
5. Review insurance — confirm whether your home insurer covers pump failure, borehole collapse, or contamination claims, and at what limit.

A borehole is a long-term asset. Treated well and kept compliant, it can meaningfully reduce your household water costs and provide resilience during outages. Neglected or inherited without proper due diligence, it can become a liability. The groundwork you do before transfer is what determines which of those outcomes you get.