Types of Water Wells in Africa: An Educational Guide for Donors

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Types of Water Wells in Africa: An Educational Guide for Donors

Types of Water Wells in Africa: An Educational Guide for Donors

Hand Pumps | Shallow Wells | Boreholes | Rig Wells

400M+ Africans lack clean water       |       750 People served per borehole       |       4 Main well types we install

 

Why the Type of Well Matters

Not all wells are the same. The geology of the land, the depth of the water table, the size of the community, and the available budget all determine which type of well is most appropriate. At the African Relief Fund, we carefully match every project with the right solution to ensure safe, sustainable water access for years to come.

This guide explains the four main types of wells ARF installs across Africa, written to help our donors understand exactly where their support goes and the difference each type of well makes.

 

What is the water table?

Underground, the soil and rock are made up of tiny gaps and spaces. Rain and river water slowly seeps down through these gaps over many years. The water table is the level underground at which these spaces become completely filled with water — like a hidden lake beneath the earth.

In some places, the water table is close to the surface (shallow) — just a few metres down. In dry or desert regions, it can be very deep — sometimes hundreds of metres underground. Knowing where the water table sits helps our engineers choose the right type of well for each community.

 

WELL TYPE 01 — MOST COMMON

 

Hand Pump Wells

No electricity needed. Operated entirely by community members.

Hand pumps are the backbone of rural water supply across Africa. Fitted over a drilled borehole, they allow communities to draw clean groundwater using human power alone — no electricity required. They are simple to operate, easy to maintain locally, and highly reliable when properly installed.

A single hand pump borehole can serve up to 750 people, making it one of the most cost-effective and impactful investments ARF makes. Communities receive training so they can carry out basic repairs themselves, ensuring the pump stays working for years without needing outside support.

 

KEY FACTS

  • Depth: typically 15 to 80 metres
  • No electricity required — fully manual operation
  • Serves up to 750 people per pump
  • Community-maintained with local training provided
  • Low risk of contamination due to sealed borehole casing

 

WELL TYPE 02 — ACCESSIBLE & AFFORDABLE

Shallow Water Wells

Quick to build, lower cost, and suited to areas where the water table is near the surface.

Shallow wells are dug or bored to depths of less than 30 metres, reaching water that sits close to the surface. They are typically wide in diameter and lined with concrete or brickwork to prevent collapse and reduce the risk of contamination.

These wells are quicker and less expensive to build, making them ideal for areas where the water table is high — meaning clean water is not far underground. However, they are more affected by drought and surface contamination, so ARF always installs protective concrete surrounds and secure covers to keep the water safe.

 

KEY FACTS

  • Depth: under 30 metres
  • Lower construction cost compared to deep boreholes
  • Wide diameter — hand-dug or machine-bored
  • Best suited to areas where the water table is near the surface
  • Higher contamination risk without proper protective casing

 

WELL TYPE 03 — THE GOLD STANDARD

Borehole Wells

ARF’s most commonly funded project — safe, deep, and reliable all year round.

A borehole is a narrow, deep hole drilled straight down into the earth to reach underground water reserves known as aquifers — natural stores of water held within layers of rock and sediment. Because the water is so deep underground, it is naturally filtered and far better protected from surface contamination than shallow wells.

Boreholes are the most reliable source of clean water for rural communities across Africa and are ARF’s most frequently funded project type. Once drilled, a casing is inserted to prevent the sides from collapsing, and a hand pump or motorised pump is fitted at the top to bring water up to the surface.

 

KEY FACTS

  • Depth: 30 to 200+ metres depending on location
  • Water is naturally filtered through deep rock and sediment
  • Reliable supply all year round, even during dry seasons
  • Very low risk of contamination with sealed casing
  • Can be fitted with a hand pump or solar-powered motorised pump

 

WELL TYPE 04 — HIGHEST CAPACITY

Rig (Motorised Borehole) Wells

Heavy-duty drilling reaching 300+ metres — powered by solar or electricity.

Rig wells use heavy-duty motorised drilling equipment to bore deep through solid rock — sometimes reaching 300 metres or more underground. Once drilled, they are fitted with electric or solar- powered pumps that can supply large volumes of water to bigger towns, schools, health centres, or networks of multiple villages.

These are the most powerful and long-lasting wells ARF installs. Solar-powered rig boreholes are particularly life-changing: they provide a steady flow of water with very low running costs and are built to last for decades, even in remote areas with no mains electricity.

 

KEY FACTS

  • Depth: 100 to 300+ metres — suited to deep, hard-rock terrain
  • Powered by solar panels or mains electricity
  • Highest water output of all well types • Serves large communities, schools, hospitals and towns
  • Long lifespan with low running costs when solar-powered

 

Quick Comparison Guide

 

The table below gives a simple side-by-side overview of all four well types to help you understand how they differ and where each one is best used.

Well Type Typical Depth Power Needed Contamination Risk Stays Working in Dry Season Best For
Hand Pump Well 15 – 80 metres None Low Moderate Rural villages
Shallow Well Under 30 metres None Higher Lower High water table areas
Borehole Well 30 – 200 metres Hand pump Very Low High Most rural communities
Rig (Motorised) Well 100 – 300+ metres Solar or electric Very Low Very High Towns, schools, clinics
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Community Water Wells

Community Water Wells

Collected: £400,000

57% Donated

Goal: £700,000

In Somalia and Ethiopia, millions lack access to clean water. With your support, community wells provide safe drinking water and reduce waterborne diseases.

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Solar Powered Well System

Solar Powered Well System

Collected: £75,000

25% Donated

Goal: £300,000

Remote villages in Somalia and northern Kenya face severe drought and limited electricity. Solar-powered wells deliver sustainable, reliable water access.

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Hand Pump Water Wells

Hand Pump Water Wells

Collected: £120,000

24% Donated

Goal: £500,000

Rural communities in Ethiopia often rely on unsafe water sources. Your donation helps install hand pump wells for long-term clean water access.

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Rain Water Harvesting System

Rain Water Harvesting System

Collected: £200,000

25% Donated

Goal: £800,000

Drought-prone regions of Somalia struggle with water scarcity. Rainwater harvesting helps families store water and survive prolonged dry seasons.

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