scholarly journals Performance Evaluation of Tuntang Watershed based on Quantity and Quality of Water

2016 ◽  
Vol 30 (2) ◽  
pp. 176
Author(s):  
Ugro Hari Murtiono ◽  
Paimin Paimin
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Performance Evaluation ◽  
Dissolved Oxygen ◽  
Water Discharge ◽  
Total Dissolved Solids ◽  
Dry Season ◽  
Water Quantity ◽  
Quality Of Water

The objective of the study was to evaluate the performance of Tuntang Catchment based on water quantity and quality area ranging from its upstream to downstream. The method used to determine the water quantity was by carrying out ground study on water discharge in the dry season (June 2011) in the research site, while the water quality was determined by conducting a laboratory analysis on the samples obtained from the sites in both the rainy and dry season (January and June 2011). The results indicated that the quantity of water discharge in Tuntang River was categorized “good”, although it was utilized for many uses such as irrigation, hydropower, and drinking water. Most of water discharges were mainly supplied from the upstream of Rawa Pening Lake. The water quality determined from the parameters of total dissolved solids, conductivity, pH, phosphate, and nitrate could be classified as “good”, meanwhile, the turbidity and dissolved oxygen were classified as “poor”.

scholarly journals Quantitative vulnerability assessment of Corda river water basin: impacts of seasonality on water quality in the State of Maranhao

2020 ◽  
Vol 42 ◽  
pp. e2
Author(s):  
Késia Gomes da SIlva Cavalcanti ◽  
Darlan Ferreira Da Silva ◽  
Neuriane SIlva Lima ◽  
Rita De Cássia Mendonça ◽  
Wallace Ribeiro Nunes Neto ◽  
...  
Keyword(s):  
Public Health ◽  
Water Quality ◽  
Physicochemical Parameters ◽  
Total Dissolved Solids ◽  
Dry Season ◽  
American Public Health Association ◽  
Quality Of Water ◽  
Health Association ◽  
Nitrite Nitrate

The Corda river is the main source of fresh water for recreation, leisure, supply and irrigation to the municipality of Barra do Corda - MA. The objective of the present study was to evaluate the physicochemical parameters of Corda river’s water using the methodology described by the American Public Health Association. The water samples were collected in the seasonal period spanning between February and September of the year of 2018. The parameters which were analyzed during the study were pH, conductivity, turbidity, total dissolved solids and salinity, besides concentrations of nitrite, nitrate, and total phosphorus. Three principal components were identified during the PC Analysis. Those components explain more than 74% of the total variance observed during the rainy and dry season. Axis 1and 2 included variables which were related to quality of water and could be affected by the change in seasons. The results indicated that pH (7.11), P (2,82 mg L-1), NO3- (3,23 mg L-1), turbidity (35.82 NTU) and conductivity (35.83 µS/cm) parameters were most affected by changing from rainy to dry season.

scholarly journals Wired Sensor Systems for Water Quality Monitoring

2019 ◽  
Vol 8 (4) ◽  
pp. 847-852
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Dissolved Oxygen ◽  
Energy Saving ◽  
Water Quality Monitoring ◽  
Quality Monitoring ◽  
Temperature Conductivity ◽  
Quality Of Water ◽  
The World

Water is an essential need and elixir of life. People all the world are fighting for their drinking water in order to keep it clean. No matter in what form it is rivers, lakes etc people have taken extreme measures to keep their water drinkable and useable for both humans and animals. Water is a significant characteristic asset without which no life can be envisioned. In any case, individuals misuse this real asset and cause wastage of water. We provide energy saving solution for monitoring the water quality. The proposed idea will build an IOT based sensor which monitors the pH, temperature, conductivity, dissolved oxygen, turbidity, bacteria, etc. present in the water collected. The sensors collect data and send it through a network. Then server will upload the data to the cloud. The remote water station will read the collected data and determine the quality of water. Henceforth, this application can be used on bigger scales, saves time and man-power.

Survey of the Water Quality of the Bahar County Streams (Iran) by NSFWQI

2015 ◽  
Vol 16 (SE) ◽  
pp. 395-403
Author(s):  
Abbas Ghaffari Habib ◽  
Seyed Hadi Khatami
Keyword(s):  
Water Quality ◽  
Dissolved Oxygen ◽  
Fecal Coliform ◽  
Agricultural Sector ◽  
Oxygen Demand ◽  
Total Dissolved Solids ◽  
Biological Oxygen Demand ◽  
Dissolved Solids ◽  
The Mean

In Bahar County (Iran), rivers are among the important sources of water for the agricultural sector. Therefore, this research evaluated the parameters of temperature, pH, Total Dissolved Solids (TDS), turbidity, nitrate, total phosphate, dissolved oxygen (DO), Biological Oxygen Demand (BOD5), and fecal coliform at five stations for five months (from February 2015 to June 2015) to determine water quality in the rivers. Based on this evaluation, the NSFWQI index was calculated and, finally, the routes of the rivers were zoned. The best water quality was recorded at Station Number 3 with the NSFWQI Value of 80 in January, and the worst at Station Number 5 (latgah) with the NSFWQI Value of 37 in June. Based on the mean NSFWQI indices, water quality was Medium at Stations Number 1, 2, and 4, good at Station Number 3, and bad at Station number 5.

scholarly journals Investigation of geochemical quality of water from public fountains of Salvador

2020 ◽  
Vol 34 (1) ◽  
Author(s):  
Ana Carina Matos Silva ◽  
Manoel Jerônimo Moreira Cruz ◽  
Isabel Honorata Souza de Azevedo ◽  
Alexandre Dacorso Daltro Milazzo
Keyword(s):  
Water Quality ◽  
Dissolved Oxygen ◽  
Public Access ◽  
Mitigation Measures ◽  
The Public ◽  
Quality Of Water ◽  
Thermotolerant Coliforms ◽  
The City ◽  
Support Decision Making

This study aims to characterize, in terms of physicochemical, bacteriological and metal concentration parameters, the water quality of public fountains in the city of Salvador (Bahia, Brazil), in order to identify its potential for current uses, contributing to the diagnosis of water quality on the public access. Therefore, campaigns were conducted in July and November of 2017 and 2018 in four fountains (Fonte Nova, Estica, Pedrinhas/Pedreiras and Express way), which were geo-referenced and analyzed physical-chemical parameters (pH, conductivity, temperature, dissolved oxygen, turbidity and total dissolved solids, salinity, sulfate, nitrate, chloride and alkalinity), bacteriological (thermotolerant coliforms) and metals (Cd, Pb, Ni, Co, Cr, Cu, Zn, Fe, Mn). The fountains showed values in disagreement with the CONAMA Ordinances 396/2008, 357/2005, and 274/2000 mainly about the pH, Dissolved Oxygen, Nitrate and Thermotolerant Coliforms parameters, indicating inadequacy for their intended uses. This information should support decision making and mitigation measures that minimize the environmental degradation of urban fountains in the city of Salvador (BA), from the adoption of recovery, revitalization and monitoring measures that enable the effective management of these water resources.

scholarly journals PASSPORTATION OF SOURCES OF NON-CENTRALIZED WATER SUPPLY OF THE VILLAGE OF POROMIV, VOLYN REGION

2021 ◽  
Vol 51 (2) ◽  
pp. 171-178
Author(s):  
Liudmyla Kurhanevych ◽  
Viktoriia Haven
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Water Supply ◽  
Nitrate Content ◽  
Sources Of Pollution ◽  
Quality Of Water ◽  
Diagnostic Characteristics ◽  
Potential Sources ◽  
The Village

The article is devoted to the problems of studying the quality of drinking water from decentralized water supply sources of rural settlements. The preparatory stage of the study included: creation of a cartographic basis of the settlement; field reconnaissance routes; express analysis of drinking water quality; creation of situational plans of wells locations, and the basis for the ecological passport of the source of decentralized individual water supply (well). The relevance of the study is due to the deterioration of the quality of water as a source of domestic water supply. This is especially true for the rural population. There is a need to conduct an inventory and certification of wells in accordance with European standards and requirements, as well as modern technical and information capabilities. The ecological passport of a natural object is a system of diagnostic characteristics that allow one to get an idea of its condition and develop ways to improve it. In the process of researching the issue of certification of drinking water sources, we analyzed the accounting systems of these facilities in Canada and Germany. Our sample environmental passport was developed based on a study of groundwater in the village of Poromiv, Volyn region of Ukraine. The quality of drinking water is influenced by both the natural factors – geological structure and climate, and the intensive economic development of the surrounding area. The sample consisted of 40 wells. We used theoretical research methods: analysis, synthesis, abstraction and idealization. Such approaches implied the search for relationships between topological, hydrological and chemical parameters of individual observation points, as well as the ability to build idealized regression models to delineate areas for certification and detailed research. The formation of the information database was carried out using the methods of empirical knowledge. In particular, visual observations have identified potential sources of contamination (private farms – livestock sites, latrine pits, farmland, and infrastructure). They can affect the condition and quality of water in wells. With the help of a level meter, pH-meter, TDS meter and rapid tests for nitrates, the measurements of qualitative indicators that determine the overall hydrochemical state of groundwater were carried out. The general observations revealed non-compliance with the norms of placement of these objects. In particular, in many cases the norms of distance from sheds (more than 20 m) and cesspools (more than 50 m) relative to wells were violated. In addition, there is a general tendency to neglect the rules of formation of cesspools and manures, which contributes to the ingress of pollutants into the soil and subsequently into groundwater. In general, the accounting of wells and their diagnostic characteristics was developed in the form of a database in the ArcGIS environment and a passport of a separate source of water supply. It is proposed to add a situational plan with the location of the water supply source for the main polluting objects to the general technical characteristics. The number of indicators in the passport table can be adjusted depending on the potential sources of pollution and the abilities to monitor the water quality of a particular water user. The purpose of forming documentation of this type is to account and record the problems arising in the arrangement, location and operation of the well for their further solution. This will be the basis for identifying areas vulnerable to nitrate contamination. We identified a number of violations in the location of water supply sources in relation to economic facilities and structures within the study area, which was reflected in the increase of general hydrochemical indicators. Relationships between building density and quantitative values of pH, mineralization and nitrate content were recorded. The final step of the research is to identify problematic sources of decentralized water supply from the viewpoint of population ecological well-being, as well as to develop proposals for the community and individual owners to improve the quality of drinking water. Keywords: well, water supply, ecological passport, sources of pollution.

scholarly journals Sistem Monitoring Dan Kontroling Kualitas Air Tambak Udang Vannamei Berbasis Arduino Menggunakan Teknologi Internet Of Things

2020 ◽  
pp. 105-108
Author(s):  
Nuris Dwi Setiawan ◽  
Indra Ava Dianta
Keyword(s):  
Water Quality ◽  
Dissolved Oxygen ◽  
Salt Content ◽  
Ph Sensor ◽  
Pond Water ◽  
Storage Media ◽  
Quality Of Water ◽  
Water Quality Change ◽  
To Receive

Vannamei shrimp is a variety of shrimp that is very sensitive to changes in water quality, growth and life of vannamei shrimp which are directly affected by changes in temperature, salt content, dissolved oxygen, and pH (Hydrogen Potential) content in water. So far, vannamei shrimp cultivators know the quality of water by taking pond water samples with a certain period of time, uncertain natural conditions can make pond water quality change drastically if not maintained can inhibit growth or result in shrimp death.Making a monitoring system and controlling the quality of shrimp pond water using a water temperature sensor, salinity sensor, DO sensor and pH sensor installed on the Arduino Mega 2560 device, NodeMCU is used to receive and send data wirelessly, the system uses programming language c. This tool can be used to start the waterwheel automatically if it is within a certain threshold to maintain the temperature and dissolved oxygen in the pool water based on the value obtained from the sensor. The monitoring results obtained will be displayed to the user in real time through the interface and will be stored in the form of a text file on the storage media.

scholarly journals Appraisal of Drinking Water Quality in Lahore Residence, Pakistan

2017 ◽  
Vol 60 (1) ◽  
pp. 34-41
Author(s):  
Khalid Mahmood ◽  
Muhammad Asim
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Underground Water ◽  
Poor Quality ◽  
Drinking Water Quality ◽  
Quality Data ◽  
Southeastern Part ◽  
Water Quality Data ◽  
Quality Of Water

A comprehensive study for the spatial distribution of drinking water quality had been conductedfor residential area of Lahore, Pakistan. The study had made use of the geographic information system(GIS) for geographical representation and spatial analysis of groundwater quality. Physicochemicalparameters including electric conductivity, pH, TDS, Cl, Mg, Ca, alkalinity and bicarbonates from 73 ofthe water samples had been included in the analysis. Water quality data had been geo-referenced followedby its interpolation using inverse distance weighted (IDW) for each of the parameters. Very high alkalinityand bicarbonates values were observed in most parts of the area. For the comprehensive view, water qualityindex map had been prepared using weighted overlay analysis (WOA). The water quality index map wasclassified into five zones of excellent, good, poor, very poor and unfit for drinking as per WHO standardsof drinking water. 21% region had excellent quality of the underground water and 50% was found goodfor drinking. Poor quality of water was found in southeastern part, covering 27% of the study area. Only2% of the area was found under the very poor and unfit water quality conditions for drinking.

SISTEM PENDETEKSI KUALITAS AIR DI SEKITAR PESISIR PANTAI TONDO MENGGUNAKAN METODE FUZZY LOGIC

Foristek ◽  
2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Mohammad Idham Sesengi ◽  
Jumiyatun Jumiyatun ◽  
Yusnaini Arifin ◽  
Sari Dewi
Keyword(s):  
Water Quality ◽  
Fuzzy Logic ◽  
Drinking Water ◽  
Temperature Sensor ◽  
Ph Sensor ◽  
Quality System ◽  
Quality Of Water ◽  
Fuzzy Logic Method ◽  
Value Of Water

The disaster that hit Palu City recently caused changes in the quality of water consumed by the community. To find out whether it is feasible or not, a method is needed to detect a water quality system that is easy to apply at an economical price so that people can know for sure the quality of the water they use for their daily needs. Therefore, a tool is designed to determine the quality of water, which samples are taken around the coast of Tondo by using the Fuzzy Logic method. This design was built using the Arduino module by combining four sensors, namely a pH sensor, a TDS sensor, a Turbidity sensor, and a temperature sensor. Water quality in this study was divided into three groups, namely drinking water (UM), water for washing (UC), and water not suitable for use (TL). While the water quality benchmarks are known from the incorporation of existing sensor readings, so that the value of water quality measured in the study is in the unsuitable category with a fuzzy value of 100 in sample 1, and to use washing with a fuzzy value of 45.68 in sample 2, and 26.4 in sample 3.

scholarly journals A Perspective Analysis of Dams and Water Quality: The Bui Power Project on the Black Volta, Ghana

2018 ◽  
Vol 2018 ◽  
pp. 1-10 ◽  
Author(s):  
Samuel Fosu Gyasi ◽  
Bismark Boamah ◽  
Esi Awuah ◽  
Kenneth Bentum Otabil
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Group Discussion ◽  
Drinking Water Quality ◽  
Quality Of Water ◽  
Contaminated Drinking Water ◽  
Study Participants ◽  
Power Project ◽  
Depth Interviews

Large dams play an important role in promoting economic and social development in many countries. However, the construction of such dams can have a detrimental effect on the environment. The aim of this study was to investigate perceptions of drinking water quality among inhabitants of selected communities within the Bui Dam environs. With the help of questionnaires, 100 respondents from communities “near to the dam” were randomly selected and interviewed. Their responses were compared with another 100 respondents selected from “far from the dam” communities. These were augmented with in-depth interviews, focus group discussion, and personal observation. Analysis of the results showed that, there were greater proportions (31%) of the participants who lived in “near communities” within the age category 20–25 compared to 19% of their “far communities” counterparts. There were significantly greater proportions of female respondents in the “near to the dam” (57%) compared to respondents in the “far from the dam” communities (52%). The study further showed that the perception of risk of consuming contaminated drinking water was more common among “far from the dam” communities (odds ratio = 4.57). The perception of the quality of water based on some physical properties was investigated as part of our study. Analysis of the results showed that significantly greater proportion of the “far from the dam” communities (35%) perceived their water had an objectionable smell compared to 7% of inhabitants of their other counterparts (p value = 0.001). The study further showed that significantly greater proportion of the study participants in the far from the communities perceived that their water had colour (65%) and they did not drink water from any other source (63%) apart from their stream. The study demonstrated that generally, inhabitants within the study communities perceived the construction of the Bui Power Project has negatively affected their drinking water quality.

scholarly journals Ground Water Quality of Gandhinagar Taluka, Gujarat, India

2008 ◽  
Vol 5 (3) ◽  
pp. 435-446 ◽  
Author(s):  
Mayur C. Shah ◽  
Prateek G. Shilpkar ◽  
Pradip B. Acharya
Keyword(s):  
Water Quality ◽  
Dissolved Oxygen ◽  
Water Samples ◽  
Oxygen Demand ◽  
Total Alkalinity ◽  
World Health ◽  
Total Hardness ◽  
Drinking And Irrigation ◽  
Quality Of Water

Present communication deals with study of physico-chemical parameters such as pH, electrical conductivity (EC), total dissolved solids (TDS), total alkalinity (TA), calcium hardness (CaH), magnesium hardness (MgH), total hardness (TH), chloride (Cl-), fluoride (F-), sodium (Na+), potassium (K+), dissolved oxygen (DO), biochemical oxygen demand (BOD), chemical oxygen demand (COD) and sulphate (SO42-) of water samples of bore wells of forty villages of Gandhinagar taluka of Gujarat state,India. The experimental values of water samples were compared with standard values given by World Health Organization (WHO) and United State Salinity Laboratory for drinking and irrigation purposes respectively. Water Quality Index (WQI) was also calculated to know the over all quality of water samples. The statistical analysis like mean, standard deviation (SD), coefficient of variance (% CV), analysis of variance (ANOVA),t-test, coefficient of correlation (r) and regression analysis of obtained data were carried out. The results show that the quality of water is poor and quite good for drinking and irrigation purposes respectively. The variance was found significant at 1% level of significance in case of sodium and potassium content and at 5% in case of total alkalinity and dissolved oxygen among the four regions (North, South, East and West) of Gandhinagar taluka. The linear relation also established for each pair of water quality parameters of studied water samples.

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