Modjadjiskloof sits north of Tzaneen on granite-gneiss basement, in the subtropical hills of the Modjadji district.
Reasonable rainfall and a weathered granite profile, with yields varying as that profile thickens and thins.
What Is Under Modjadjiskloof
The formations below are what a rig actually meets on a Modjadjiskloof property, and between them they govern the depth, the casing requirement and what the hole will realistically give you.
| Formation | Where it sits | What it means for drilling |
|---|---|---|
| Goudplaats and Makhutswi Gneisses | Most of the lowveld and the country around Tzaneen and Modjadjiskloof | Weathered-and-fractured basement giving half a litre to two per second, locally better. Recorded dry rates run at about one hole in six. |
| Giyani Group greenstone | The Sutherland Range and the Little Letaba valley around Giyani | Better than the surrounding gneiss at two to five litres per second, and the cleanest water on the sheet with nitrate and fluoride both within limits. |
| Phalaborwa Igneous Complex carbonatite, and river alluvium | Loole Kop at Phalaborwa, and the Letaba, Klein Letaba and Olifants channels | The high-yielding ground. The carbonatite has given 2.5 up to 20 or even 40 litres per second, and alluvial channels up to 500 metres wide average above 5, reaching 20 in the wet season. |
Send your street and what the water is for, and get an itemised quote for Modjadjiskloof.
Get a Modjadjiskloof Borehole QuoteWhat That Means for Your Borehole
- Escarpment rainfall changes the answer twice over, running at about 2,000 millimetres a year at Magoebaskloof against 600 in the lowveld. Higher rainfall means more regular recharge and fresher water; low-rainfall areas give more stagnant, increasingly saline groundwater.
- Finding groundwater east of Tzaneen is getting harder, which is the water department's own assessment rather than ours. It is worth factoring into expectations on a new hole.
- Alluvium is a wet-season asset, not a drought hedge, because levels respond to floods within days and the aquifer is explicitly vulnerable to over-abstraction in dry years.
Where We Work Around Modjadjiskloof
- Modjadjiskloof town and Duiwelskloof
- The Modjadji cycad reserve approaches
- Ga-Kgapane and the surrounding villages
- The Tzaneen and Mooketsi roads
- Citrus, avocado and macadamia farms
- Guest and tourism properties
What to Watch For Here
Weathered profile thickness is the main control on yield, and it changes over short distances across this terrain.
Hilly ground constrains rig access in places, so the practical drilling position is sometimes decided by what a truck can reach.
What the Water Is Used For
- Crop, vineyard and orchard irrigation
- Stock watering across camps
- Packhouse, cellar and equipment washdown
- Frost protection and establishment watering
- Household and worker housing supply
Wellpoint or Borehole?
Yes on the Letaba, Klein Letaba and Olifants alluvium, which is the thickest and highest-yielding sand in this grouping. Not on the gneiss uplands or the escarpment, where water levels are far below suction lift. One trap worth knowing: the general authorisation excludes alluvial aquifers directly connected to a stream from the definition of a groundwater resource, and abstraction within 100 metres of a watercourse's riparian edge needs a licence regardless of volume. A shallow hole or a wellpoint in live river sand is therefore a licence question, not a registration one, even at modest volumes.
Water Quality in Modjadjiskloof
This is the province's worst nitrate belt and it is worth being direct about it: roughly a quarter of sampled boreholes across the Letaba catchment exceed 100 milligrams per litre of nitrate against a 6 milligram domestic limit, attributed mainly to rural sanitation and grazing. Goudplaats Gneiss averages around 12 and Makhutswi around 9.5, both over the limit. Fluoride, by contrast, is a lesser issue here. Alluvium is saltier than people expect, with 73 per cent of alluvial boreholes above the conductivity guideline.
A water analysis is what turns that from a general expectation into a number for your specific hole, and treatment should be specified against the result rather than against the area's reputation.
Registration and Abstraction
Registration for water use in Limpopo sits with the Department of Water and Sanitation through its national registration system, not with the municipality. We could not find a published municipal borehole by-law anywhere in the province, so we do not claim one exists. What municipalities do enforce is the prohibition on cross-connecting a borehole to the municipal reticulation, and their ordinary building and planning rules. Separately, the National Water Act governs how much you may abstract. Reasonable domestic use and small-scale garden watering generally fall under Schedule 1 and need no licence or registration, but taking more than 10 cubic metres a day from groundwater on a property must be registered, and irrigation or commercial volumes usually require registration or a water use authorisation from the Department of Water and Sanitation.
Related Services
For the drilling process itself, the geology across the rest of the country and how a quote is put together, see Borehole Installers South Africa.
Borehole Prices in Modjadjiskloof
Drilling is charged per metre, so depth drives the total. The ranges below are framed for local ground conditions and access.
| Item | Indicative range | What moves it locally |
|---|---|---|
| Drilling, per metre | R450 - R1,100 /m | Weathered gneiss drills quickly. Carbonatite and fresh gneiss are harder, and alluvial holes are shallow and fast. |
| uPVC casing, installed, per metre | R400 - R780 /m | A weathered-collar run on basement ground; screened casing and a gravel pack on alluvial holes. |
| Mobilisation and site establishment | R3,000 - R16,000 | Access, distance and site conditions move this; a site visit settles it before quoting. |
| Water survey | R5,000 - R12,000 | Targets structure rather than depth. Worth most where yield is fracture-dependent. |
| Yield testing | R3,500 - R15,000 | Establishes the sustainable rate that pump selection depends on. |
| Pump, supplied and installed | R15,000 - R45,000 | Greater depth means more head, which means a larger pump and heavier cable. |
| Storage and booster | R12,000 - R35,000 | Needed wherever peak demand exceeds the borehole's sustainable rate. |
| Typical complete project | R65,000 - R185,000+ | Everything above, excluding treatment, which depends entirely on the water analysis. |
These are indicative ranges, not a quotation. They are compiled from published South African supplier and contractor pricing to give you a starting point for budgeting. They are not our rate card, and no figure here is a commitment.
Treat them as a broad guide only. Published borehole pricing in South Africa varies enormously - different 2026 guides quote per-metre drilling rates for the same province that differ by a factor of three - because depth, geology, access, specification, distance and fuel costs all move the number. Depth in particular is not known until the hole is finished. Figures generally exclude VAT unless noted, and change over time. Only an itemised written quote against your actual site means anything.
Modjadjiskloof Borehole FAQs
What yields are realistic here?
Moderate to reasonable, depending on how thick the weathered granite profile is beneath the property.
A survey maps that before drilling, which on variable ground like this is the step that most improves the odds.
Is the water quality good?
Granite groundwater here is usually soft and low in dissolved salts, which is pleasant to use and slightly aggressive to metal fittings.
Iron is the common nuisance and bacteriological testing still matters on a shallow hole. The analysis settles both.
Should I test Modjadjiskloof borehole water for nitrate?
Yes, and more urgently here than almost anywhere in the country. About a quarter of sampled boreholes across this catchment exceed 100 milligrams per litre against a 6 milligram domestic guideline.
The sources are rural sanitation and grazing rather than industry, which means shallow holes near latrines and kraals are the ones most at risk. Nitrate matters most for infants and during pregnancy.
Is the escarpment better ground than the lowveld?
Yes, on both counts that matter. Rainfall at Magoebaskloof runs around 2,000 millimetres a year against 600 in the lowveld, which means more regular recharge and fresher water.
Lower-rainfall areas tend toward more stagnant, increasingly saline groundwater. That is a genuine gradient across a fairly short distance.
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