Build a well in South Sudan for 1500 people

by Water for South Sudan, Inc
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Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Build a well in South Sudan for 1500 people
Oct 23, 2017

Water for South Sudan Improves Well Design

Using pipe between well and trough didn't work.
Using pipe between well and trough didn't work.

Water for South Sudan (WFSS) conducted an extensive evaluation of its wells in 2015. A board member traveled from Rochester, New York to the WFSS Compound in Wau, South Sudan. From Wau, the volunteer and WFSS’s Country Director journeyed back to visit some of WFSS’s earliest drilled wells. They thought that they would be able to evaluate 20 wells. They were actually able to assess 80 wells, a statistically significant sample of 35 percent of WFSS’s total wells.

Overall, the evaluation had positive results. The wells were operating and the water was safe. Many of the wells had broken down, but were quickly repaired. A hallmark of WFSS’s process is training villagers in making minor repairs and providing resources for parts and labor. However, there was one consistent issue – the platforms around the wells were cracked or broken at most of the wells visited.

The WFSS evaluation team watched the drilling team as they worked, learning that there were several factors accounting for the cement platforms being weak. Firstly, the ratio of materials used in the concrete mix was not correct. The drilling team was using one part cement to six parts sand. The correct ratio is one part cement to two parts sand. Secondly, the concrete was being mixed by hand on the ground and then shoveled into a wheelbarrow and moved to where it was needed. Mixing on the ground made for concrete that was not thoroughly mixed. In addition, dirt and other debris on the ground would get into the concrete and sand in the corners of the wheelbarrow would get into the concrete as it was poured. Thirdly, the concrete was poured directly onto the bricks, which are extremely hot and dry because the temperatures average about 120°F. This caused the concrete to dry almost as quickly as it was poured. The slower the concrete dries the stronger it becomes.

The US Operations team, upon learning of these errors being made instituted changes in the concrete mixing process and trained the team in South Sudan. Now the correct ratio of one part cement to two parts sand is used. WFSS purchased a mixer and all concrete is being mixed in the mixer, creating a smoother consistency concrete. Finally, the brick were eliminated and the entire platform is now poured concrete. The poured concrete is covered with wet cloths, which are kept damp for 24 hours, significantly slowing the drying process and making the concrete stronger.   

Another factor contributing to the broken platforms, and to dirty surface water staying close to the well platforms, was animals (cattle and goats) stepping on the platforms to drink water from the platforms. The WFSS operations team addressed this issue by lengthening the drainage channels, drawing animals farther away from the platform to a drinking pool 50 feet from the well, thereby keeping contamination from the well. They spent months researching options and restructuring the platforms and drainage channels. The initial plan was to substitute a length of piping between the well platform and the drinking trough.

In 2016, the drilling team in South Sudan installed the first new wells using the new platform design. The team in South Sudan sent photos of these first few wells over to the US. WFSS’s volunteer operations team in the US could see from the photos that the new design was flawed and would not be viable. It turned out that the pipes were getting clogged with dirt because the pipes were narrow; there was not enough water flowing through to wash away the dirt. The use of the new design was halted and the US Operations team went back to the drawing board. Subsequently, an improved drainage channel was created and tested.

The fix for the well design was to have a larger open, reinforced concrete channel from the well platform to the drinking pool. Now, people at the well can see if dirt or mud has fallen into the channel and they can clean it out and wash it away with water. The concrete was reinforced by putting wire mesh into the concrete in the channel. This way, if over time there are cracks in the concrete the wire mesh will hold the concrete pieces together and the cracks will be filled and sealed naturally with mud. This is similar to the process used in sidewalks and driveways in the US. There is now also a concrete or gravel apron one yard in diameter around the well platform to control soil erosion around the well platform.

WFSS requires villagers to then build some kind of fence to prevent animals from stepping onto the well platform or into the channel. We leave this to each village to use the materials they have available for fencing, realizing it would not be feasible to purchase wire or chain link in the US and ship it to South Sudan. Also, villagers are already in the habit of creating barriers to keep cattle and goats out of their homes and each village has different materials.

During the 2017 drilling season WFSS launched a new rehabilitation team. This team went back to some of the wells evaluated in 2015 to rebuild the platforms using the new design. The rehab team was able to upgrade 31 wells. In addition, the drilling team installed 22 new wells using the new well design, which has become the new standard for WFSS wells.

Through this failure, WFSS learned a number of important things:

  1. The WFSS administration and operations staff and volunteers in the US cannot make the assumption that information and direction being provided to our staff in South Sudan is being understood in the way intended. There are cultural differences and language barriers that must be recognized. Our South Sudanese team thought that they were mixing the concrete correctly because this is how others in their country do it and this is what they had learned. In fact, as other organizations drilling wells in South Sudan have watched our team implement the new protocol for mixing concrete and the new design they have received many compliments. WFSS is committed to providing the best quality wells possible and to the sustainability of the aquifers where water is accessed.   
  2.  It is critical that we find appropriate training, both technical and management, for our teams in South Sudan. The Managers in South Sudan were former “Lost Boys” who came to the US as refugees. They took advantage of the educational opportunities in the US and have returned to South Sudan to help rebuild their homeland. We need to help them to improve their managerial skills so that more of the operations decisions can be made by them in the field. WFSS’s seasonal drilling, rehab, and hygiene teams are hired locally. They often have little or no education and no expertise with technology. Providing technical training for staff will make our teams stronger, as well as helping to elevate the skilled workforce in South Sudan.
  3.  WFSS must continue to periodically send staff and volunteers from the US over to South Sudan to observe firsthand the work and the wells. The evaluation trip in 2015, helped the WFSS Board and Administration get information about the cement platforms being cracked and broken and that mixing the concrete was being done incorrectly. Another outcome of this trip was the establishment of the Evaluation and Monitoring Committee of the Board of Directors. Monitoring and Evaluation will be implemented by the management team in South Sudan. WFSS Board and Administration need to periodically visit South Sudan to observe operations. In the meantime, our rehab team will be visiting early wells each season to update all of the previously installed platforms.

Water for South Sudan’s overall objective is to provide the people we serve with a sustainable source of fresh, clean water. Installing wells is our method. This failure and what we learned from it has enabled WFSS to ensure that our method remains sustainable.


This project report is a submission to GlobalGiving’s 2017 Fail Forward Contest, where organizations are asked to share a story of when they tried something new that didn’t go as planned and how they learned from it. Enjoy!


A longer channel draws animals away from platform.
A longer channel draws animals away from platform.
Building fences keeps animals off well platforms.
Building fences keeps animals off well platforms.


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Organization Information

Water for South Sudan, Inc

Location: Rochester, New York - USA
Project Leader:
Lynn Malooly
Rochester, New York United States

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