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Dewatering

Dewatering is a technology and process used to remove water from solid materials, slurries, or excavation sites, widely applied across mining, construction, and industrial operations. In mining contexts, dewatering encompasses both the removal of groundwater from mine workings to enable safe extraction and the separation of water from mineral slurries and tailings to recover valuable solids and manage waste. The process employs mechanical equipment such as pumps, centrifuges, filter presses, and thickeners, alongside drainage systems and wellpoint installations. Effective dewatering is essential for maintaining operational safety, preventing flooding of underground workings, and ensuring stable pit walls in open-cast operations. It also plays a critical role in tailings management, where reducing water content minimises the volume of waste requiring storage and facilitates water recycling within processing circuits. In construction, dewatering lowers groundwater levels to allow excavation and foundation work in dry conditions. The technology must balance operational efficiency with environmental considerations, as extracted groundwater often requires treatment before discharge to prevent contamination of surface water or aquifers. Dewatering systems are designed to suit site-specific hydrogeological conditions, ore characteristics, and regulatory requirements. Advances in dewatering technology focus on energy efficiency, automation, and improved water recovery rates to support sustainable resource management.

Dewatering Updates


Northern Cape copper mining being revived.
Capital raised to turn South African copper projects into mining operations
22nd May 2026 By: Martin Creamer

More than R180-million has been raised to transition key copper projects in South Africa’s endowed Northern Cape into operations as early as in the second quarter of this year. The strongly... 


Image of a Weir mining pump solution
Pump solutions for Africa’s mining sector
22nd May 2026

Global mining technology company Weir asserts that it has built the largest installed base of dewatering and slurry pumps in Africa’s mining sector, through a combination of technical expertise,... 


MTR donates slurry pump to mining-focused school to boost hands-on engineering skills
22nd May 2026 By: Natasha Odendaal

Mogale Tailings Retreatment (MTR) has donated a R600 000 slurry pump to the Mandisa Shiceka School of Specialisation to promote South African mining skills upliftment. The high school specialises... 


Drill holes shown in green at Flat Mine East.
Northern Cape copper drilling provides clear scale-up path
20th May 2026 By: Martin Creamer

The latest drilling at Okiep in South Africa’s copper-endowed Northern Cape has provided a clear path to scale up at Flat Mine East, where a down-dip extension hole is already being developed as a... 


Image of pumps on a mobile trailer
Rapid dewatering response critical in extreme weather conditions
8th May 2026

The ability to deploy dewatering solutions rapidly is an important part of managing risk in mining and infrastructure operations, especially in conditions of extreme weather. Integrated Pump... 


An image of Project Roan
Jubilee’s nine-month copper output up 28.7% y/y
6th May 2026 By: Tasneem Bulbulia

Zambia-focused integrated copper producer and resource developer Jubilee Metals’ total saleable copper production for the nine months ended March 31 increased by 28.7% year-on-year to 2 177 t.... 


Marnus Koorts, General Manager – Original Equipment at Weir
Weir Leads Africa’s Mining Sector with Trusted, Risk-Mitigating Pump Solutions
4th May 2026

Weir has established the largest installed base of dewatering and slurry pumps in Africa’s mining sector by helping customers de-risk their pumping operations – combining technical excellence and... 


Western Queen openpit
Rumble Resources inks updated royalty agreement with Elemental
4th May 2026 By: Marleny Arnoldi

A subsidiary of ASX-listed Rumble Resources has entered into a transaction with a subsidiary of Elemental Royalty Corporation whereby Elemental will pay A$10-million to acquire a 2.5% net smelter... 


Weir builds sustainable mining performance through local presence in West Africa
Weir builds sustainable mining performance through local presence in West Africa
24th April 2026

Across West Africa’s rapidly evolving mining sector, proximity, responsiveness and technical depth have become decisive factors in supplier selection. For Weir, this has translated into a... 


Integrated Pump Technology advances Mine Dewatering across Africa
Integrated Pump Technology advances Mine Dewatering across Africa
24th April 2026

Integrated Pump Technology is playing a critical role in helping mining operations across Africa remain productive in the face of persistent groundwater ingress - both on surface and underground.... 


Integrated Pump Technology enables immediate mobilisation of dewatering solutions through its local pump stockholding, ensuring rapid response
Why local pump stockholding is redefining rapid dewatering response
8th April 2026

As climate volatility increases across southern Africa, the ability to deploy dewatering solutions rapidly has become a defining factor in how mining and infrastructure operations manage risk.... 


A view over the casting wheels during the first batch of anodes produced by the Kamoa-Kakula Copper Smelter on December 29, 2025
Kamoa-Kakula Copper Complex, Democratic Republic of Congo – update
9th January 2026 By: Sheila Barradas

Ivanhoe Mines has produced the first copper anodes at its direct-to-blister copper smelter at the Kamoa-Kakula complex. 


Location map of the Sorby Hills project
Sorby Hills lead/silver/zinc project, Australia – update
9th January 2026 By: Sheila Barradas

Boab Metals exercised its option to acquire 100% of the Sorby Hills silver/lead project in December 2025. 


Silverco Mining advances Mexico project towards production restart
7th January 2026 By: Darren Parker

TSX-V-listed Silverco Mining has reached key operational and technical milestones at its 100%-owned Cusi silver project, in Mexico, signalling progress towards a planned restart of production.... 


Denzyl Macauley
Safer by design: Multotec redefines screening media attachment systems for faster, safer changeout
7th January 2026

Hand and finger injuries remain one of the most common safety concerns in mining, often occurring during physically demanding maintenance tasks. To help address this risk and remove potential... 


gold bars
Aura Minerals obtains construction licence, begins early works at Era Dorada
7th January 2026 By: Sabrina Jardim

Canadian gold and copper miner Aura Minerals has reported that it has received the construction licence and has begun early works for the development of the Era Dorada gold project, in Guatemala,... 


Kamoa-Kakula complex
Ivanhoe announces first anode production from Kamoa-Kakula copper smelter
5th January 2026 By: Sabrina Jardim

TSX-listed Ivanhoe Mines has announced that the first copper anodes were produced by Kamoa-Kakula’s on-site, state-of-the-art 500 000 t/y direct-to-blister copper smelter, in the Democratic... 


Civmec site in Australia
Civmec secures major new contracts from Australian miners
5th January 2026 By: Marleny Arnoldi

Western Australia-based construction and engineering group Civmec has secured more than A$400-milllion worth of new contracts and extensions to existing contracts. The new contracts and... 


Improving asset performance for more resilient mining operations
12th December 2025

In today’s African mining sector, reliability has become a daily challenge rather than a maintenance metric. Teams work in environments where equipment rarely gets a break, conditions shift without... 


An image of the Philippi Wellfield construction site
CoCT water projects to benefit several communities
12th December 2025

To help to deliver 300-million additional litres of drinking water to residents through its New Water Programme, the City of Cape Town (CoCT) is progressing several water projects, including the... 


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