An Open Source Water Quality Measurement System for Remote Areas (original) (raw)
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In recent days, the most important problem that our society faces is water scarcity. Due to contamination of water bodies, drinking water supply, water for agriculture and healthy fisheries has been severely impaired. Over five millions of people die annually from water borne diseases. It has also lead to contamination of marine ecosystems and decrease in crop yields. Unavailability of easy water quality detector has been a major cause which has led to all above mentioned problems. An autonomous, real time and integrated device is designed to measure physical and chemical properties of water. Designed device uses sensors to detect the quality parameters (pH, temperature, turbidity, conductivity). Sensor outputs are processed by Arduino Uno, which sends parameter values to authenticated user via GSM module. Although there are existing methods to detect quality of water, an integrated device is designed which can be used in all the three fields.
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The developing world remains plagued by lack of access to safe drinking water. Although many low-cost methods have been developed to treat contaminated water, low-cost methods for water-quality testing are necessary to determine if these appropriate technologies are needed, effective, and reliable. This paper provides a methodology for the design, development, and technical validation of a low-cost, open-source (OS) water testing platform. A case study is presented where the platform is developed to provide both the colorimetry for biochemical oxygen demand/chemical oxygen demand and nephelometry to measure turbidity using method ISO 7027. This approach resulted in equipment that is as accurate, but costs between 7.5 and 15 times less than current commercially available tools. It is concluded that OS hardware development is a promising solution for the equipment necessary to perform water quality measurements in both developed and developing regions.
A SURVEY OF WATER QUALITY MEASUREMENT SENSORS
Water is an essential factor for sustaining life on earth andits adequate and safe supply must be accessible to all. As improved water quality is beneficial for health. Every possible effort should be made in that direction. Water quality depends on various physical and chemical standards such as color, turbidity, pH, temperature, DO (dissolved oxygen), conductivity and TDS (total dissolved solid).This paper presents a systematic survey of existing water quality measurement techniques which consist of traditional and modern approach of water quality analysis. It also includes a list of different water quality parameters and sensors used for quality analysis along with the standard quality range.
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This work reports the implementation and characterization of a measurement system for water quality assessment. The measured quantities are pH, conductivity and temperature. Sensor characterization and the interdependence of the different quantities are analyzed. For pH and temperature commercial sensors were used and only signal conditioning interfaces were developed. For conductivity measurements it was designed and implemented a new conductivity cell.
International Journal of Environmental Science and Technology
Water pollution always occurs in Malaysia due to industrial, construction, agriculture, and household activities. River pollution can disturb water supply that eventually affects business and household activities. Thus, water quality monitoring system is needed to detect contaminated water. We developed a water quality monitoring and filtration system controlled by Arduino. The proposed system was designed in Proteus software and ThingSpeak platform was used for real-time monitoring. The main objective of the study was to compare water quality of river, lake and tap water in terms of pH, temperature, turbidity, electrical conductivity and oxidation-reduction potential. If the water quality was not satisfied, the water sample would be filtered through filtration system. Water turbidity level, pH, temperature, electrical conductivity, and oxidationreduction potential for filtered and nonfiltered water were compared and analyzed according to international and national water quality standard. Besides that, statistical analysis such as box plot and one-way analysis of variance test was applied to validate data from the system. The real-time water quality monitoring system was implemented through data storage, data transfer, and data processing. The system was connected to wireless fidelity whereas the output data was sent to the user and monitored by ThingSpeak. The system can be further upgraded and scaled up to be applied in the main tank at our home or factory. The outcome of this research can be used as a reference for further study on lake and river pollution monitoring system.
International Journal of Public Health Science (IJPHS), 2024
Conventional systems that monitor the supply system periodically are considered to be very inadequate. This can cause the water supply distributed to the community to be of poor quality. Therefore, this study aims to evaluate water quality periodically by measuring water parameters such as pH, chlorine and turbidity for 30 days using an online system and portable unit. Portable tools used to measure pH, turbidity and residual chlorine are as follows, namely pH meters (Hanna, HI98017), Turbidity Meters (Hanna, HI 98703), Residual Chlorine meters and measurements with an online system using "Supervisory Control and Data Acquisition". The average parameter value of the results of online daily monitoring for a month for the pH parameter was a minimum 6.92, a maximum of 7.46, a minimum turbidity of 0.08 nephelometric turbidity unit (NTU) and a maximum of 0.94 NTU. While the residual chlorine minimum of 0.29 mg/L and a maximum of 0.58 mg/L. To determine the accuracy of the offline measurements, measurements were also performed with a portable device four times a month. The comparison of the measurement results is very small, which is the difference in pH parameters is between 0.37-0.50, turbidity is between 0.05-0.21 NTU, and residual chlorine is 0.002-0.006 mg/L. Offline measurements using the portable device are consistent with the online daily monitoring. Future research should focus on optimizing sensor technology for enhanced accuracy and reliability, and developing automated data analysis algorithms to streamline evaluation processes.
Design and Implementation of a Low-Cost Portable Water Quality Monitoring System
Computers, materials & continua, 2021
Water is one of the needs with remarkable significance to man and other living things. Water quality management is a concept based on the continuous monitoring of water quality. The monitoring scheme aims to accumulate data to make decisions on water resource descriptions, identify real and emergent issues involving water pollution, formulate priorities, and plan for water quality management. The regularly considered parameters when conducting water quality monitoring are turbidity, pH, temperature, conductivity, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand, ammonia, and metal ions. The usual method employed in capturing these water parameters is the manual collection and sending of samples to a laboratory for detection and analysis. However, this method is impractical in the long run because it is laborious and consumes a considerable amount of human resources. Sensors integrated into a mobile phone application interface can address this issue. This paper aims to design and implement an Internet of Things-based system comprising pH, temperature, and turbidity sensors, which are all integrated into a mobile phone application interface for a water monitoring system. This project utilizes the Bluetooth Standard (IEEE 802.15.1) for communication/transfer of data, while the water quality monitoring system relies on the pH, turbidity, and temperature of the test water.
Smart System-Based Water Quality Measuring Device For Clean Water Availability
atlantis-press, 2020
Ciaruteun Ilir Village, Cibungbulang sub-district is located on the West of Bogor Regency, approximately 6 km from the sub-district capital. The village is experiencing difficulties in obtaining clean water that is suitable for consumption even though the village area has a river but is full of dirt and garbage. Even though the river is dirty, there are some people who are still using it, for example: for a bathe. There are also people who make wells, but the water quality is not guaranteed to be suitable for consumption. As a result, many people are affected by stomach and skin diseases. The monitoring systems that can observe the water quality has become an urgent need for the villagers. The results of the test produce data that is sent to an application that can be opened on the website. Both smartphone and PC can be used to obtain the data. The data then stored in the website's database and can be used to predict the water quality from time to time. Testing method of the working model of these devices and application was done through a process of repeated interaction between researchers and villagers. This technology and application are designed using devices that are connected to an android application or computer so that the users can use them both in real-time and mobile modes to monitor and make decisions about the usage of water for their health.
REAL TIME SYSTEM FOR DETERMINATION OF DRINKING WATER QUALITY
Clean drinking water is important for health and well being of all humans. Assessment of quality of water in large water distribution systems involves taking of random water samples and testing it in laboratories. Since this process is time consuming and requires man power, this paper presents an approach to determine the quality of water automatically using low cost and in-pipe sensors. Here an array of sensor node is developed to assess the quality of water. Algorithms are developed for fusing the data collected by the sensors. ZigBee transceiver and GSM transmitters are used to transmit the collected data to the server. This paper also provides the techniques to resolve water contamination.