Technical Documents

Groundwater – general guidelines towards monitoring and management (funded by Potatoes South Africa)

Technical Documents

The intention is to provide a broad overview of groundwater resources in terms of how it occurs (its distribution across South Africa)
as well as an overview of the complete “life cycle” of groundwater development projects (starting with drilling and on through yield testing; monitoring and all the way to the authorization of the use of groundwater).

Posted on 16 Feb 2022

READ MORE


Sustainable Groundwater Use

Technical Documents

South Africa (SA) is a water scarce country that is characterised by extreme climatic conditions and evaporation rates that often exceed precipitation. The country is projected to have a 17% water supply deficit by 2030 (DWS, 2019). This can be mitigated by increasing water efficiency and diversifying water sources. By 2040, alternative sources such as […]

Posted on 23 Sep 2021

READ MORE


Bore hole water shooting up

The comprehensive checklist for drilling a borehole

Knowledge Hub » Technical Documents

Written by Dale Barrow  Drilling and having a borehole is an asset that should last you at least 10 to 15 years at very little ongoing cost, provided you do everything correctly at the start! If you don’t, it can become a very expensive and time-consuming liability with continual repair or replacement of pumps. The […]

Posted on 13 Sep 2021

READ MORE


Construction of the Kharkams Sand Bed Filter

What is Managed Aquifer Recharge (MAR) and How Does it Work?

Knowledge Hub » Technical Documents

By Kes Murray Understanding Groundwater recharging Managed Aquifer Recharge (MAR), sometimes referred to as Artificial Recharge, is the process by which a water source is intentionally injected or infiltrated into an aquifer. There are a wide variety of reasons for doing this, as well as a range of methods and technologies that are used to […]

Posted on 8 Feb 2021

READ MORE


Drill Rig

Borehole Yield Testing

Knowledge Hub » Technical Documents

How to correctly follow a borehole yield test? The South African National Standard for the test pumping of water boreholes (SANS 10299-4:2003) clearly prescribes how the borehole yield testing is to be carried out. Remember the Department of Water and Sanitation (DWS) will only authorise groundwater use if the correct (above) method of borehole yield […]

Posted on 24 Oct 2020

READ MORE


Sustaining Groundwater Resources in a Unique Region of South Africa

Knowledge Hub » Technical Documents

Just 200 km north of Cape Town, South Africa, you’ll find a unique area that boasts a wide range of landscapes – from rugged mountains to lush river valleys.

Posted on 9 Apr 2020

READ MORE


Client Testimonial

Just short mail to say thanks to you and your colleagues for all the advice you have provided. Been a pleasure working with Geoss.

— Glenn Pretorius

View All Testimonials