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SA Water’s world-leading smart network technology detected over half of all water main breaks in Australia, Infrastructure News Round Up | 25 September 2020, Businesses be warned! “As a result, there is less food for the insects at present and we should expect a significantly reduced population of biological control agents going into the warmer months. The hyacinth! https://kormorant.co.za/2020/12/17/new-remediation-plan-for-hbp-dam Yearly, phosphate input is around 200 tons. The Hartbeespoort community has come together in an effort to clean up the famous Hartebeespoort Dam. The Hartbeespoort Dam Rehabilitation Steering Committee has, during this phase of the removals, received little to no support from the Department of Water Affairs, which has given the committee until December this year to make an impact. Hartbeespoort Dam: Oh dear! Hartbeespoort Dam water quality is hyper-eutrophic due to continuous inflow of excess phosphate from sewage and via sediments. Log In. Every time I returned, I saw how it was deteriorating. This weed is said to double its size in the space of five days. Abstract. The Hartbeespoort Dam Rehabilitation Steering Committee has, during this phase of the removals, received little to no support from the Department of Water Affairs, which has given the committee until December this year to make an impact. Hartbeespoort Dam: Oh dear! 2) As part of the programme, a barrier was in place at the bridge over the Magalies river.This kept most of the hyacinth off the dam. On the Hartbeespoort Dam, six different biological control agents contributed to the successful management of water hyacinth this past summer. Water hyacinth is an invasive non-native weed from South America, that has been on Hartbeespoort Dam since the mid-1960s. On the Hartbeespoort Dam, six different biological control agents contributed to the successful management of water hyacinth this past summer. Arthur Crewe, NSRI Hartbeespoort Dam station commander, said: At 10h45, Thursday, 24 December, NSRI Hartbeespoort Dam duty crew were activated following eye-witness reports of a vulture appearing to be trapped in dense Hyacinth on Hartbeespoort Dam near to the Randburg Bridge. First water hyacinth choked the surface. Water hyacinth is a category 1 invasive species and it is deemed to be the most problematic aquatic weed. Photo: NSRI Four-month-old vulture trapped in hyacinth rescued from Hartbeespoort Dam Massive growth of water hyacinth deteriorating the water quality of Hartbeespoort Dam. Any stray pieces on the dam were removed manually. The Hyacinth problem at Hartbeespoort has been linked to deterioration of water treatment infrastructure upstream of the 20 square kilometre dam, as well as the termination of a government weed clearing programme. However, there may be a way to harness these alien invaders to empower local communities and start a circular economy. Schoemansville is named after General Hendrik Schoeman, a Boer General in the Anglo-Boer War, who owned the farm that the Hartbeespoort Dam was built on. With the Hartbeespoort Dam plagued by the dreaded water hyacinth we look at ways to monetise this plant in a country with high unemployment and where access to finance for entrepreneurs without existing assets or revenue is virtually nonexistent. We decided last minute to book and go for a speed boat ride on the Hartebeespoort dam at R400 per couple. Sections of this page. However, the reality is that hazardous waste is an everyday thing | http://ow.ly/lFOH50CHvAD. Any stray pieces on the dam were removed manually. The facts are : 1) The METSI A ME programme managed by Rand Water on behalf of Department of Water and Sanitation (DWS), which was aimed at cleaning up the dam in general was suspended at the beginning of the year. A vulture trapped by hyacinth and fishing line in the Hartbeespoort Dam was saved by the NSRI. or. Water Freaks, Hartbeespoort Picture: Dense Water Hyacinth - Check out Tripadvisor members' 2,579 candid photos and videos. In April 2017, it was estimated that just over 30% of the dam’s surface was covered by the plant. Hartbeespoort Dam has been renowned for its poor water quality since the mid twentieth century. Water Freaks, Hartbeespoort Picture: Dense Water Hyacinth - Check out Tripadvisor members' 2,709 candid photos and videos. The vast majority of Hartebeespoort dam’s surface can now be mistaken for a lush green field in that the water hyacinth has multiplied and is so dense that it no longer resembles the dam that is once was. Originally a native of the Amazon basin, the weed has spread throughout tropical, subtropical and some warmer temperate regions of the world since the late 1800s. Water hyacinth is frequently branded as the world’s worst aquatic weed due to its invasive potential, negative impact on aquatic ecosystems, and the cost it necessitates to control it. According to the Hartbeespoort Dam Rehabilitation Steering Committee, the invasive plant, which doubles in size every two weeks or so, covers 40 per cent of the dam. [12] [13] [14] The Dam suffers severe eutrophication, in 2003 resulting from high concentrations of phosphates and nitrates in the Crocodile River, the major inflow. This figure excludes the totals removed by the various estates, shoreline owners and working for water teams around the dam. Water Hyacinth has been declared the world's most damaging aquatic weed due to negative impact it has on the ecosystem and water quality. The Hennops River, which converges with the Hartbeespoort Dam, has also been contaminated for some time. ... Water Hyacinth in the Hartbeespoort Dam … Yearly, phosphate input is around 200 tons. Cleaning Hartbeespoort Dam by turning invasive hyacinth into commercial products Coca-Cola has invested R25 million in Hya Matla Organics - a startup which turns water hyacinth … Danielle Petterson | Apr 8, 2019 | News, Water, Water quality, Water sources | 0 comments. Short facts: -Shape of the dam wall is found nowhere else in South Africa.-250 000 bags of cement were used for the dam wall.-At full capacity, the dam fills to 205 million cubic meters of water. In 2006, the Department of Water Affairs started a programme called Metsi a Me (My water) to rehabilitate the Hartbeespoort Dam. The results of two surveys conducted nationwide in November by the South African Geomatics Institute (SAGI) are the latest in a number of surveys conducted over the past year with Built Environment professionals in the private sector, that confirm how government is not doing enough to fast track dev... READ THE FULL ARTICLE FOR FREE ON PAGE 14 OF OUR DIGIMAG. UPDATE Rudy Joles of the Harties Foundation NPC: “Harties Foundation NPC has developed a 5 year plan on managing the hyacinth and water quality problems on Hartbeespoort dam through: 1. The dam was our headquarters and between us, we spent thousands of happy hours on it, unaware of the deadly danger in its water. Further nutrients are being released from lake sediments adding to the phosphate excess. Clearing the water hyacinth is an extremely costly endeavour, one that is being undertaken almost entirely by … What is water hyacinth? [12] [13] [14] The Dam suffers severe eutrophication , in 2003 resulting from high concentrations of phosphates and nitrates in the Crocodile River, the major inflow. Email or Phone: Password: Forgot account? Join the Department of Cooperative Governance and Traditional Affairs (COGTA), in association with the Development Bank of Southern Africa (DBSA) for a webinar, unpacking and deliberating on themes critical to the DDM implementation | Register here: ow.ly/Y9wG50CNQf8 ... See MoreSee Less, Share on FacebookShare on TwitterShare on Linked InShare by Email, The results of two surveys conducted nationwide by the South African Geomatics Institute (SAGI) are the latest in a number of surveys conducted over the past year with Built Environment professionals in the private sector, that confirm how government is not doing enough to fast track development ... See MoreSee Less, Government is not doing enough to fast track development, shows survey | Infrastructure news, Join the Department of Cooperative Governance and Traditional Affairs (COGTA), in association with the Development Bank of Southern Africa (DBSA) for a webinar, unpacking and deliberating on themes critical to the DDM implementation | Register here: http://ow.ly/HW1950CNQf7, SURVEY: Government is not doing enough to fast track development http://ow.ly/TVFF50CHGrm, Zutari develops electro-desalination water treatment solutions for industry | http://ow.ly/1WmI50CHBC7, INSIGHT | Eastern Cape a growth engine for construction http://ow.ly/tyE750CHAvV, For most, the term hazardous waste conjures up images of toxic sludge, depleted uranium or the ubiquitous green slime. Hyacinth is the most invasive and rapidly proliferating aquatic weed in the world. Water Hyacinth is a floating perennial plant that is native to the Amazon and has spread to much of the southern united states. The Deputy Minister of the Department of Water and Sanitation last week announced a new remediation plan for the Hartbeespoort Dam during a visit to Hartbeespoort. The hyacinth! EU and Britain seal post-Brexit trade deal. The water quality in the Hartbeespoort Dam … Thereafter, the department will consider poisoning the invasive plant. The hanging roots of the plant feathery and purplish-black in color. by Galaletsang Latoya Keebine (754634) A research report submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirement for the - See 242 traveler reviews, 186 candid photos, and great deals for Hartbeespoort, South Africa, at Tripadvisor. Containing selected areas of hyacinth on the dam to keep water clean, 2. The dam was our headquarters and between us, we spent thousands of happy hours on it, unaware of the deadly danger in its water. 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