safe water system Articles
-
Water treatment and supply: intermediate education in Sub-Saharan Africa
In 1973 the economist E.F Schumacher wrote ‘Small is Beautiful’. In this he created the vision of a concept known as ‘intermediate technology’. Directly from this grew the popular ‘appropriate technology’ movement. An appropriate technology, in the ideal sense, is designed with special consideration of the environmental, ethical, cultural, social, political, and economical aspects of the ...
-
Ozone toxicology and guidelines for safe use in cooling water ozonation systems
Abstract Ozone, like all oxidizing gases, is potentially harmful if human exposures occur at a significant concentration for a sufficient duration. This paper discusses the physical properties of ozone, current exposure standards, toxicology of ozone, and recommended safety practices for safe operations in cooiing water treatment ...
-
Introducing layer of protection analysis for water safety risk assessments
In pursuing their mandate of providing good and safe drinking water, water system operators and asset owners work continuously towards developing and maintaining the trust and confidence of their customers. The goal of developing and maintaining customer trust has led to an increased emphasis in the water sector to explicitly assess and manage risks. In this paper, we introduce Layers of ...
-
Safe Handling of Industrial Water Systems Chemicals
Many facilities handle chemical treatment without the expertise and support of a water treatment partner. This puts a tremendous amount of responsibility on building managers and facility teams to receive, store, dispense and manage water systems chemicals safely. Under normal circumstances, this is difficult work. But what happens when something goes wrong, such as a spill? Do you have a ...
-
Re-Opening Water Systems Safely After COVID Shut-Downs
Depending on your situation, your facility may have been shut down for weeks or even months due to COVID-19. During the shutdown, it’s likely that water sat stagnant in various places throughout your facility. Just a few days of stagnant water sitting in your pipes or cooling tower are enough for certain pathogens to start growing. By ten days of stagnation, steps need to be taken to ensure ...
-
Community-based rainwater harvesting (CB-RWH) to supply drinking water in developing countries: lessons learned from case studies in Africa and Asia
This paper uses pragmatic findings and lessons learned from three case studies to deduce that community-based rainwater harvesting (CB-RWH) is an innovative solution to develop sustainable drinking water supply systems in developing countries, especially in Africa and Asia. Taking advantage of traditional community-based activities in African and Asian villages, the water supply system can be ...
-
Virus contamination from operation and maintenance events in small drinking water distribution systems
We tested the association of common events in drinking water distribution systems with contamination of household tap water with human enteric viruses. Viruses were enumerated by qPCR in the tap water of 14 municipal systems that use non-disinfected groundwater. Ultraviolet disinfection was installed at all active wellheads to reduce virus contributions from groundwater to the distribution ...
-
Self supply systems: Urban dug wells in Abeokuta, Nigeria
Self supply systems are privately owned household water sources. The systems are generally perceived as playing a role in water service delivery to the rural poor. The systems' yielding safe drinking-water also receives little attention in literature and policy, relative to public and communal sources. This paper assessed urban self supply wells and argues that self supply is a coping water ...
-
Legionella, water treatment and energy saving
We can help improve health and safety and increase energy reduction. At the moment you probably keep water temperatures above 60°C and you probably undertake regular chemical or thermal water system treatments and shower head treatments, all to prevent the growth of Legionella in your water system. There are several reasons to do this including legal, safety, reputational risk and personal ...
By Aquadron
-
Water compliance challenges: how do Canadian small water systems respond?
Fundamental to community health and well-being is the capacity to access a sustainable supply of safe drinking water. Small community drinking water systems are the most vulnerable to contamination, and struggle to secure the funds necessary to improve water treatment and delivery systems, and meet increasingly stringent drinking water quality regulations. Little is known of the contextual and ...
-
Are you drinking water that is contaminated?
Why Distilled water by the experts There is a huge need in the world for the purest water possible, to combat the high levels of pollutants and chemicals found in today's water supply. This can be provided by the process of Distillation. see below expert opinion. http://www.distilledwaterassociation.org/ https://www.ecclesia.org/truth/water.html The serious effects of climate change ...
-
Situations of water reuse in China
Water reuse is a cost-effective solution that is carried out in many water-shortage countries on different levels. China, which is the most populous country in the world, is facing a serious water crisis, with great demand and feasibility to use reclaimed water to deal with freshwater shortage and pollution. Although much progress has been made, challenges and problems still exist, which hinder ...
-
Reference: Bad weather doesn't get in the way of the best potable water!
Heavy rainfall? Spring melt water? A real challenge for providers of potable water in southern Germany. An investment in a modern UV system is a sound choice: safe water disinfection and consistently high water quality. More information at ...
-
Enhancing resilience in urban water systems for future cities
In future cities, urban water systems (UWSs) should be designed not only for safe provision of services but should also be resilient to emerging or unexpected threats that lead to catastrophic system failure impacts and consequences. Resilience can potentially be built into UWSs by implementing a range of strategies, for example by embedding redundancy and flexibility in system design, or by ...
-
A basic bottom-up approach for small systems of safe-water supply: a decentralized case study in Uganda
In developing countries, diarrhea is known as the major cause of burden among children. Diarrhea is associated to poor quality of drinking water, inadequate sanitation and insufficient hygiene behavior. This work introduces a bottom-up approach for the implementation of a borehole installation in conjunction with proper water handling in rural areas. A pre-intervention survey was performed as a ...
-
Prediction and evaluation of natural self–restoration of the water of Mahmoudiya canal, western part of Nile Delta, Egypt
The objectives of this paper are to study the effect of discharge of Zarqun drain into Mahmoudiya canal on the natural self–purification along the canal stream and to suggest and simulate different scenarios to improve the water quality of the Mahmoudia canal system to safely discharge water of Zarqun drain into it. Natural self–purification model based on oxygen sag curve introduced by Streeter ...
-
Design and operation of a rainwater for drinking (RFD) project in a rural area: case study at Cukhe Elementary School, Vietnam
Since 2014, a well-designed rainwater for drinking (RFD) project has been successfully operating at Cukhe Elementary School, near Hanoi, Vietnam. During that time, daily rainfall data, water consumption, water quality and questionnaires to the community were prepared. Several concerns over the design and operation of RFD projects, such as lack of sufficient rainfall data, water quality ...
-
Construction of a road tunnel on the Autobahn A38 case study
Umbrella lining with Carbfol Today's modern traffic tunnels are increasingly being planned with a projected functionality for over 100 years – despite difficult geological and engineering conditions. The overriding objective of tunnel construction is the protection against the effects of groundwater and penetrating water. The local conditions at the highway tunnel construction site on the ...
-
A comprehensive evaluation of regional water safety systems based on a similarity cloud model
Regional water safety systems are affected by social, economic, ecological, hydrological and other factors, and their effects are complicated and variable. Studying water safety systems is crucial to promoting the coordinated development of regional water safety systems and anthropogenic processes. Thus, a similarity cloud model is developed to simulate the evolution mechanisms of fuzzy and ...
-
Everything You Need to Know About UV Water Purification
If you draw water from a well or lake and are concerned about its quality, a UV Water purification system might give you the peace of mind your water is safe to use. Households on municipal water systems are not completely safe either, as water main breaks and broken pipes which can lead to water contamination occur frequently. The ultraviolet water purification process uses ultraviolet light or ...
By AquaBSafe
Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you