NMB Drought

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NMBM DROUGHT

Since November 2015, the NMBM has been experiencing a dry period of below average monthly rainfall, resulting in declining dam levels and water storage capacities.

In September 2018, good rains occurred in very specific catchments and the average dam levels increased from 17.82% to 53.03%. This rainfall created a false sense of security as certain catchment areas did not receive significant rainfall.

Since then, the average dam levels have continued to drop at a consistent rate, to a record low of 9.97% on 22 July 2021.

 

During August 2021, mild relief rainfall was experienced, which increased the average levels to 12,50% as of 31 August 2021.


DROUGHT EMERGENY & MITIGATION PLAN

Considering the persisting drought, the Metro is strictly focusing on assisting and protecting the public.

Emergency intervention and mitigation work are undertaken and planned as a matter of urgency to ensure the supply of potable water to the City’s residents and businesses if one or more of the supply sources are depleted.

The drought intervention and mitigation team investigated the impact of the depletion of the western storage dam capacities and the implications to the communities if drought conditions prevail.

The NMBM Disaster Management Sub-Directorate, together with the Provincial Disaster Management Centre, has compiled and submitted the reports required for the Head of the National Disaster Management Centre to classify the drought as a disaster. The classification allows for the implementation of contingency arrangements and other measures to deal with a disaster, as supported by the Disaster Management Act. The declaration of a state of disaster will then follow the classification of the disaster.


DROUGHT INTERVENTION

The Metro has since identified the following drought intervention measures and projects as per the approved Drought Mitigation Plan of February 2018.


PROJECT DESCRIPTION BUDGET STATUS COMPLETION DATE JOBS CREATED





































No

Description

1

Reduction in water demand by means of

 

  • Water restrictions
  • Monitoring and contacting of high consumers
  • Highly visible publicity and awareness campaign

 

2

Water Conservation & Demand Management

 

  • Leak detection and repairs
  • Pressure reductions
  • Monitoring of water balance
  • Meter Replacement Programme
  • Leakage repair for low income households

 

3

Implementation of Emergency Augmentation Schemes

 

  • Implement Ground Water Schemes
  • Coegakop Production Boreholes
  • Uitenhage Boreholes
  • Moregrove Fault Line Boreholes
  • Churchill Wellfield
  • Health Facility Boreholes
  • Maximisation of the Nooitgedagt System
  • Maximisation of the Older Dams System
  • Investigation into Desalination Plants
  • Reuse of Treated Effluent Schemes
  • Rainwater Harvesting
  • Accessing of dead storage in the Churchill and Impofu Dams

 


No

Description

1

Reduction in water demand by means of

2

Water Conservation & Demand Management

  • Leak detection and repairs
  • Pressure reductions
  • Monitoring of water balance
  • Meter Replacement Programme
  • Leakage repair for low income households

3

Implementation of Emergency Augmentation Schemes

  • Implement Ground Water Schemes - Provide info to link to
  • Coegakop Production Boreholes- Provide info to link to
  • Uitenhage Boreholes - Provide info to link to
  • Moregrove Fault Line Boreholes - Provide info to link to
  • Churchill Wellfield - Provide info to link to
  • Health Facility Boreholes - Provide info to link to
  • Maximisation of the Nooitgedagt System - Provide info to link to
  • Maximisation of the Older Dams System - Provide info to link to
  • Investigation into Desalination Plants - Provide info to link to
  • Reuse of Treated Effluent Schemes - Provide info to link to
  • Rainwater Harvesting - Provide info to link to
  • Accessing of dead storage in the Churchill and Impofu Dams - Provide info to link to

 


KWANOBUHLE SUPPLY PUMP STATION AUGMENTATION

Timeline:July 2021 – August 2022

Budget:R50 million

The augmentation work for the KwaNobuhle Supply Pump Station includes the construction of a new sunken pump station building and pipework to increase the pumping capacity. The contract commencement date for the project was 12 July 2021, with an estimated completion date of end August 2022.

During the construction period, 17 local EME construction companies will benefit from the contract, making up the legislated 30% requirement to be subcontracted.

Once completed, the pump station’s transfer capacity will be doubled, providing a reliable potable water supply source to the KwaNobuhle, Greenbushes and surrounding areas.

Work on the KwaNobuhle Supply Pump Station is on track for the planned completion date of end August 2022.

Once completed, the KwaNobuhle supply pump station will be able to provide Nooitgedagt / Gariep dam water to KwaNobuhle, without the current strict system constraints.

An additional benefit to the pump station will be the ability to transfer Nooitgedagt / Gariep dam water to the Greenbushes Reservoir. From the Greenbushes Reservoir, it will be possible to insert the Nooitgedagt / Gariep dam water into the Churchill supply pipelines through the existing infrastructure at Seaview to augment the Western supply sources.

Below: An update video explaining the importance and far-reaching effects of the Kwanobuhle Supply Pump Station project



YOU MIGHT BE INTERESTED IN
Click on the image below to download water saving tips


COMPANIES PERMITTED TO SELL NON-POTABLE WATER TO ASSIST RESIDENTS IN TIME OF WATER SHORTAGES

TORAL TALATI: 

 041 992 3226 / 061 494 4398

REHOBOTH SPRING WATER:

 041 506 2442 / 082 367 6896

BAY WATER SUPPLIES: 

 082 575 1791

WATER DELIVERY: 

 041 363 0311

 

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