Water supply
Provision of water by public utilities
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| 2025 | Estimated 1.8 billion people will be living in countries or regions with absolute water scarcity, and two-thirds of the world population could be under water stress conditions. |
| 2025 | Projected water withdrawals expected to rise by 50 percent in developing countries and 18 percent in developed countries. |
| February 14 2025 |
Johannesburg Emergency Water Supply
Johannesburg Mayor Dana Mororo held a media briefing, apologizing to 60% of city residents for extended water outages. During the briefing, she reassured citizens that water supply would be restored within a week, while Rand Water Board continued to blame customer consumption for the crisis.
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| 2024 | Sir Chris Whitty emphasized the critical importance of improving water quality and sewage treatment, drawing parallels to the 19th-century efforts to eradicate cholera in the United Kingdom. |
| 2024 | The Royal Academy of Engineering released a comprehensive study examining the effects of wastewater on public health in the United Kingdom, providing 15 recommendations to reduce public health risks and improve water quality in waterways. |
| 2024 | The 2024 Paris Olympics experienced disruptions to swimming-focused events like the triathlon due to high levels of sewage contamination in the River Seine. |
| 2024 |
WASH
Projected end of the REACH research program, which focuses on developing climate tools to support water management and climate resilience in targeted countries.
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| December 13 2024 |
Johannesburg Emergency Water Supply
Rand Water announced a major water shutdown starting on Friday, affecting 60% of Johannesburg, due to work at the Eikenhof Pump Station operations areas. The planned shutdown is scheduled to last until the evening of Monday, 16 December 2024.
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| July 29 2024 |
Johannesburg Emergency Water Supply
Conclusion of the planned infrastructure maintenance period, during which water supply was significantly reduced and alternative water distribution methods were implemented.
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| June 22 2024 |
Johannesburg Emergency Water Supply
Commencement of the 'Winter Water Shutdown', a 37-day planned maintenance period affecting multiple Johannesburg suburbs including Observatory, Kensington, Greenside, Emmarentia, Melville, and others, with water trucks and JoJo tanks deployed to assist residents.
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| June 13 2024 |
Johannesburg Emergency Water Supply
At the 27th Extra-Ordinary Council Meeting, MMC for Finance Counsellor Dada Morero requested council approval for a R2.5 billion loan from Agence Française de Développement (FDA) to finance infrastructure repairs, with a total repayment of R5.7 billion over 15 years.
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| June 3 2024 |
Johannesburg Emergency Water Supply
Rand Water announced a planned infrastructure and asset maintenance initiative to upgrade pipes and improve water supply, which would impact water availability in the Johannesburg Metropolitan Region by reducing pumping from Eikenhof, Zwartkopjes Palmiet, and Mapleton systems.
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| 2023 |
Johannesburg Emergency Water Supply
Phase two of the Lesotho Highlands Water Project launched by President Cyril Ramaphosa, nine years behind the original schedule.
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| 2023 |
Johannesburg Emergency Water Supply
Non-revenue water (NRW) in Johannesburg reaches a critical level of 44.8%, indicating significant water infrastructure inefficiencies where the City of Johannesburg Water (COJ Water) pays for bulk water from Rand Water but fails to collect revenue for nearly half of the supplied water.
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| 2023 |
WASH
Data from centralized sewage treatment plants in the United States revealed methane emissions were approximately twice the 2019 IPCC estimates, measuring 10.9 ± 7.0 MMT CO2-eq/yr compared to the previous 4.3-6.1 MMT estimate.
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| 2023 |
WASH
WHO published a comprehensive summary of WASH service impact, detailing the specific health outcomes and regional disparities in WASH-related mortality rates.
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| August 2023 |
Lakes380
Ngāti Kahungunu ki Wairarapa launched a programme with Cawthron Institute and GNS Science to understand Lake Wairarapa's water quality, building on previous Lakes380 research by analyzing sediment cores to track historical environmental changes and ecosystem impacts.
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| August 2023 |
Blominmäki sewage treatment plant
The Blominmäki sewage treatment plant was brought into service, becoming a major waste water treatment facility in Espoo, Finland.
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| 2022 |
Lakes380
Completion of the initial five-year research programme funded by the Ministry of Business, Innovation and Employment's Endeavour Fund grant.
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| 2022 | Half a billion people reported to be living in areas with severe water scarcity throughout the entire year, highlighting the ongoing global water crisis. |
| 2022 | A modeling study revealed that northern China experienced more severe ecological water scarcity compared to southern China, with water pollution identified as the primary driving factor in most provinces. |
| 2021 |
Lakes380
Lakes380 research team presented their methodology and findings at the European Geosciences Union's General Assembly, highlighting their innovative approach combining traditional paleolimnological methods with environmental DNA techniques and 16S rRNA gene metabarcoding to explore microbial community changes in lakes.
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| 2021 |
Lakes380
Continued sampling of Rotorua lakes revealed long-term ecological changes, including altered bacterial communities in Lake Okataina and increased algae in most lakes, potentially due to land use changes and introduced species.
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| 2021 |
Qanat
British-trained architect Margot Krasojević designed a luxury eco hotel concept in Iran based on qanat and windcatcher principles.
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| June 2021 |
Lakes380
Emeritus Professor Carolyn Burns was awarded Dame Companion of the New Zealand Order of Merit for services to ecological research during the Queen's Birthday Honours.
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| May 2021 |
Lakes380
Ngāti Apa ki te Rā Tō hosted an information session with Lakes380, sharing their connections to local lakes and demonstrating sediment core collection techniques to explore lake histories.
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| 2020 |
Johannesburg Emergency Water Supply
A report by Corruption Watch and the Water Integrity Network highlighted systemic corruption in the Department of Water and Sanitation, noting that this corruption exacerbates water shortages across South Africa.
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| 2020 |
WASH
Wastewater treatment plants were estimated to consume 3% of global electricity consumption.
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| 2020 |
WASH
Global methane emissions from non-sewered sanitation systems (NSSS) were estimated at 377 Mt CO2e/year, representing 4.7% of global anthropogenic methane emissions, with India and China being major contributors due to their large populations and NSSS utilization.
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| 2020 |
WASH
Planned milestones for NTDs including: eradication of yaws, elimination of trachoma and lymphatic filariasis as public health problems, and intensified control of dengue, schistosomiasis, and soil-transmitted helminthiases.
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| 2020 |
Lakes380
Around 26 lakes in Waikato were sampled in a large-scale campaign, with scientists collecting sediment cores to analyze environmental history and water quality changes.
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| 2020 |
Lakes380
Lakes380 collaborated with the University of Waikato to sample three lakes and investigate prehistoric earthquake activity around Hamilton, discovering potential unrecognized seismic events through tephra layer analysis.
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| 2020 |
Perforene
Projected initial release year for the Perforene membrane technology, with planned applications across multiple industries including water treatment, pharmaceuticals, energy, mining, food and beverage, and manufacturing.
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| 2020 | Escalation of water dispute between Egypt and Ethiopia over the Grand Ethiopian Renaissance Dam, with Egypt viewing the dam as an existential threat due to potential reduction of Nile water supply. |
| 2020 | United Nations established Target 15.1 to ensure conservation, restoration, and sustainable use of inland freshwater ecosystems, including forests, wetlands, mountains, and drylands, in alignment with international agreements. |
| 2020 | Target date set for ensuring conservation, restoration, and sustainable use of terrestrial and inland freshwater ecosystems according to SDG Target 15.1 |
| 2020 | International commitment to ensure conservation, restoration, and sustainable use of terrestrial and inland freshwater ecosystems, focusing on forests, wetlands, mountains, and drylands, as part of Sustainable Development Goal Target 15.1. |
| July 1 2020 |
Lakes380
Samples from Queenstown lakes were reported in the Otago Daily Times, revealing thousands of years of environmental history and changes in climate, environment, and ecosystems.
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| 2019 |
WASH
A World Bank study revealed a growth in the proportion of female water professionals in recent years, indicating progress in gender representation in water-related occupations.
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| 2019 |
WASH
World Health Organization estimated that one in four healthcare facilities globally lack basic water services, impacting approximately 2.0 billion people, and one in five facilities have no sanitation service, affecting about 1.5 billion people.
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| 2019 |
WASH
Data revealed significant disparities in basic water coverage across 24 countries, with the richest wealth quintile having at least twice the water access compared to the poorest quintile.
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| 2019 |
WASH
435 million people were reported to be using unimproved water sources for drinking water, with 144 million still using surface water like lakes and streams.
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| 2019 |
WASH
IPCC released initial estimates of methane emissions from sewage treatment plants.
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| 2019 |
WASH
WHO analysis revealed that lack of safe WASH services could have prevented the loss of at least 1.4 million lives and 74 million disability-adjusted life years (DALYs) from four health outcomes, representing 2.5% of all global deaths and 2.9% of all DALYs.
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| 2019 |
WASH
The Empowerment in WASH Index (EWI) was developed to help WASH practitioners measure and monitor gender outcomes, empowerment, and inclusivity in WASH interventions.
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| 2019 |
Lakes380
Lakes380 scientists conducted data collection from four lowland shallow lakes in the Southland region to improve understanding of current and historical lake conditions.
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| 2019 |
Lakes380
Lakes380 scientists collaborated with Ngāti Kurī to study the health of dune lakes in Northland, focusing on highly threatened aquatic habitats. Harry Burkhardt, chair of the Ngāti Kuri Trust, supported the project's goal of protecting the area's unique biodiversity.
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| 2019 |
Lakes380
Lakes380 conducted a workshop in Rotorua teaching students about lake sediment analysis, environmental DNA data gathering, and interpreting sediment core layers, including discussing the grey ash from the 1886 Mount Tarawera eruption.
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| 2019 |
Lakes380
Initial sampling of lakes in the Rotorua area began to investigate the impact of human arrival and the 1886 Mount Tarawera eruption on local ecosystems.
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This contents of the box above is based on material from the Wikipedia articles Blominmäki sewage treatment plant, Perforene, Water scarcity, WASH, Fresh water, Water pollution, Qanat, Lakes380 & Johannesburg Emergency Water Supply, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.