The Hartbeespoort community has come together in an effort to clean up the famous Hartebeespoort Dam. Yearly, phosphate input is around 200 tons. or. Danielle Petterson | Apr 8, 2019 | News, Water, Water quality, Water sources | 0 comments. Hartbeespoort Dam’s hyacinth influx has plagued the dam, until now. The NSRI rescue craft Rotary Endeavor was launched and we responded to the scene Email or Phone: Password: Forgot account? See more of Water Users South Africa on Facebook. Hartbeespoort Dam is a hypertrophic impoundment in South Africa, with large blooms of the potentially toxic blue-green alga Microcystis aeruginosa and an extensive anaerobic zone of up to 40% of the total volume during summer months. https://kormorant.co.za/2020/12/17/new-remediation-plan-for-hbp-dam ALSO READ: Hartbeespoort water birds in crisis “It was very costly, but there are only two ways to remove the hyacinth – mechanical or biological. Water hyacinth is an invasive non-native weed from South America, that has been on Hartbeespoort Dam since the mid-1960s. Every time I returned, I saw how it was deteriorating. There has been a long history of control of this weed including herbicide application, mechanical and manual removal and biological control. Sign Up. Hartbeespoort Dam water quality is hyper-eutrophic due to continuous inflow of excess phosphate from sewage and via sediments. Rescuers free 4-month-old vulture from dense hyacinth at Hartbeespoort Dam. 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READ THE FULL ARTICLE FOR FREE ON PAGE 14 OF OUR DIGIMAG. Every time I returned, I saw how it was deteriorating. [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. First water hyacinth choked the surface. Hyacinths Removal Project – Hartbeespoort Dam Since April 2017 in Excess of 500 000 tons of Wet-Weight Hyacinths have been successfully removed from Hartbeespoort dam by various harvesting teams. The hyacinth! ... Water Hyacinth in the Hartbeespoort Dam … Yearly, phosphate input is around 200 tons. He added that water tests showed a high E. coli bacteria level in the dam’s water. Then blue-green Microcystis algae turned the dam into a massive bowl of pea-soup. This figure excludes the totals removed by the various estates, shoreline owners and working for water teams around the dam. Hartbeespoort is the collective name of a few smaller towns situated around the Hartbeespoort Dam, including the towns of Meerhof, Ifafi, Melodie, Schoemansville and Kosmos. Hyacinth is the most invasive and rapidly proliferating aquatic weed in the world. Hartbeespoort Dam has been renowned for its poor water quality since the mid twentieth century. 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. Hartbeespoort Dam: Oh dear! Any stray pieces on the dam were removed manually. Massive growth of water hyacinth deteriorating the water quality of Hartbeespoort Dam Hartbeespoort Dam has been renowned for its poor water quality since the mid twentieth century. Biological control, which is the use of safe and specific insects or fungi to control invasive species, has been a successful and sustainable method of managing weeds on land and in the water in South Africa for over 100 years. Eichhornia crassipes (water hyacinth) in the Hartbeespoort Dam, South Africa, using remote sensing data. A vulture trapped by hyacinth and fishing line in the Hartbeespoort Dam was saved by the NSRI. 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. Water Hyacinth has been declared the world's most damaging aquatic weed due to negative impact it has on the ecosystem and water quality. Water hyacinth is an invasive non-native weed from South America, that has been on Hartbeespoort Dam since the mid-1960s. 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! EU and Britain seal post-Brexit trade deal. In 2006, the Department of Water Affairs started a programme called Metsi a Me (My water) to rehabilitate the Hartbeespoort Dam. - See 242 traveler reviews, 186 candid photos, and great deals for Hartbeespoort, South Africa, at Tripadvisor. {{current_weather.dt | momentjs( atts.date )}}, WHO team in North West to reinforce Covid-19 response, Mike Bolhuis will guard Hartbeespoort Dam’s hippo. However, there may be a way to harness these alien invaders to empower local communities and start a circular economy. See more of Water Users South Africa on Facebook. The hyacinth! A vulture trapped by hyacinth and fishing line in the Hartbeespoort Dam was saved by the NSRI. Hartbeespoort Dam [Photo Credit: Centre for Biological Control] The Centre for Biological Control (CBC) at Rhodes University began a campaign to inundate the Hartbeespoort Dam (HBD) with the water hyacinth planthopper Megamelus scutellaris, a biological control agent of water hyacinth (Pontederia crassipes), between 2018 and 2020.. Facebook. “Since 2018, the CBC has been involved in the Hartbeespoort Dam’s water hyacinth management by sending regular shipments of biological control insects from our facility in the Eastern Cape and from smaller facilities set up in schools surrounding the dam to increase the size of the beneficial insect populations on the weeds. Jump to. Sustainable harvest the hyacinth into commercial fertiliser, and 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. The dam was our headquarters and between us, we spent thousands of happy hours on it, unaware of the deadly danger in its water. Any stray pieces on the dam were removed manually. The 95-year-old Hartbeespoort Dam has been plagued by water hyacinths since the 1970s. This weed is said to double its size in the space of five days. The aerial total phosphorus and total nitrogen loading rates are in the order of 20 g/m 2 /y and 128 g/m 2 /y respectively. What is next for the hyacinth on Hartbeespoort Dam? We decided last minute to book and go for a speed boat ride on the Hartebeespoort dam at R400 per couple. Further nutrients are being released from lake sediments adding to the phosphate excess. However, over time, this posed a new problem: the plants began to anaerobically digest, releasing biomass nutrients into the water. The plan going forward is to have a small mass-rearing facility set up at Redstone Estate by the Harties Foundation and the CBC, to mass-rear the biological control agents for regular release on the dam throughout the growing season.”. Water Freaks, Hartbeespoort Picture: Dense Water Hyacinth - Check out Tripadvisor members' 2,709 candid photos and videos. However, much of the success can be attributed to a small planthopper called Megamelus scutellaris which, like the water hyacinth, is … Photo: NSRI Four-month-old vulture trapped in hyacinth rescued from Hartbeespoort Dam However, the reality is that hazardous waste is an everyday thing | http://ow.ly/lFOH50CHvAD. Water hyacinth is a category 1 invasive species and it is deemed to be the most problematic aquatic weed. 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