scholarly journals Moving beyond classical markers of water quality: detection of enteric viruses and genotoxicity in water of the Sinos River

2015 ◽  
Vol 75 (2 suppl) ◽  
pp. 63-67 ◽  
Author(s):  
B Bergamaschi ◽  
MT Rodrigues ◽  
JVS Silva ◽  
M Kluge ◽  
RB Luz ◽  
...  
Keyword(s):  
Water Quality ◽  
Water Samples ◽  
Viral Genomes ◽  
Quality Detection ◽  
Routine Monitoring ◽  
Microbiological Parameters ◽  
Preliminary Study ◽  
Surrounding Areas ◽  
Waterborne Viruses ◽  
Different Levels

<p>It is well recognized that the classical biological and chemical markers of environmental pollution do not necessarily indicate the presence or absence of emerging threats to public health, such as waterborne viruses and genotoxicants. The purpose of this preliminary study was to evaluate the presence of material of enteroviruses (EV), rotavirus (RV) and adenovirus (AdV) and genotoxicity in water samples from points of routine monitoring of water quality in the main course of the Sinos River. The points are classified into different levels of pollution in accordance to the Brazilian federal regulations. Viral genomes from EV, AdV were detected in two of the 4 collection points regardless of the level of urbanisation of the surrounding areas. In contrast, genotoxicity was not observed in piava (<italic>Leporinus obtusidens</italic>) fingerlings cultivated on these same water samples. Results were compared with classical physical, chemical and microbiological parameters. There was no clear evidence of association between any of the classical markers and the presence of viral genomes in the water samples tested.</p>

scholarly journals Physicochemical and Bacteriological Water Analysis of Bagmati and Bishnumati River

2019 ◽  
Vol 33 (1) ◽  
pp. 23-30
Author(s):  
Pradeep Kumar Shah ◽  
Shashi Bhushan Chaturwedi
Keyword(s):  
Water Quality ◽  
River Water ◽  
Water Samples ◽  
Environmental Issues ◽  
Total Coliform ◽  
Kathmandu Valley ◽  
River Water Samples ◽  
Microbiological Parameters ◽  
Standard Value ◽  
Bagmati River

 Water pollution, one of the serious environmental issues of the world, results from contaminants being introduced into the natural environment. This study was conducted in the Microbiology laboratory, DAV College, Dhobighat, Lalitpur, Nepal from January to May 2018 with aims to assess the physicochemical and microbiological status of river water of Kathmandu valley. All together 60 water samples were collected, 20 water samples each from different places of Bagmati river, Bishnumati river and river junction (Teku Dovan). The physicochemical parameters including pH, ammonia and iron, hardness and alkalinity were analyzed by standard methods and the microbiological parameters such as total mesophilic count and total coliform count were analyzed by pour plate technique. Among all 60 water samples tested, the temperature (12.8°C), BOD value (3.11 mg/l), iron value (0.87 mg/l) and turbidity (102.2NTU) were found to be highest in Bagmati river water samples whereas the value of TSS (755.2 mg/l), TDS (748.4 mg/l), copper (0.01 mg/l) and COD (911.5 PPM) were found to be highest in water of Bishnumati river. The heavy meals Manganese (0.29 mg/l) and Nickel (0.01 mg/l) were detected only in Bishnumati river water samples. The river junction water samples showed the exceeded value of DO (9.56 mg/l) and chloride (0.12 mg/l). All the 60 samples showed total mesophilic counts more than 300 cfu/ml and the average number of total mesophilic counts were found to be 5.21×106 cfu/ml. The average number of total coliform counts were found to be 2.1×105 cfu/ml in the water samples of Bagmati river, Bishnumati river and river junction. Most of the tested parameter of the samples had more than the standard value of water quality indicating the deterioration of river water quality and thus may affect the aquatic as well as human and animal lives.

scholarly journals Preliminary Study on Physico-Chemical Parameters and Phytoplankton of Chiffa River (Blida, Algeria)

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Fella Hamaidi-Chergui ◽  
Mohamed Brahim Errahmani ◽  
Fatouma Benouaklil ◽  
Mohand Said Hamaidi
Keyword(s):  
Water Quality ◽  
Electrical Conductivity ◽  
Organic Matter ◽  
Water Samples ◽  
Chemical Parameters ◽  
North West ◽  
Quality Guidelines ◽  
Physico Chemical ◽  
Preliminary Study ◽  
Monthly Variations

The present study was carried out to determine the monthly variations of physico-chemical parameters in water samples from Chiffa river at Blida, North West of Algeria from April to August 2006. Water samples were analyzed for physico-chemical parameters and the results showed their monthly variations as follows: pH 7.5-7.6, electrical conductivity 0.87–1.06 mS·cm−1, nitrate 0–7.00 mg·L−1, nitrite 0–0.28 mg·L−1, ammonia 0–0.03 mg·L−1, phosphate 0–0.94 mg·L−1, sodium 19.3–47.0 mg·L−1, chloride 35.7–52.0 mg·L−1, calcium 90.3–104.7 mg·L−1, magnesium 27.3–37.7 mg·L−1, organic matter 0.4–3.9 mg·L−1, chlorophyll a 0.7–132.3 mg·L−1, and bicarbonate 219.3–248.7 mg·L−1. The analyzed physico-chemical parameters were almost not exceeded the maximum permissible limit of WHO and Algerian Water Quality Guidelines. A total of 53 taxa belonging to 4 divisions have been identified, including Chlorophyta (52.83% of taxa), Bacillariophyta (28.30%), Cyanophyceae (16.98%), and Charophyta (1.89%).

Water Quality Detection Using UV Spectra Based on the PCA Algorithm

2013 ◽  
Vol 316-317 ◽  
pp. 690-693 ◽  
Author(s):  
Lei Lei Dai ◽  
Ping Jie Huang ◽  
Di Bo Hou ◽  
Guang Xin Zhang
Keyword(s):  
Water Pollution ◽  
Water Quality ◽  
Water Samples ◽  
Uv Spectra ◽  
Ultraviolet Spectrum ◽  
Theoretical Support ◽  
Quality Detection ◽  
Similarities And Differences ◽  
And Cluster Analysis ◽  
Pca Algorithm

Nowadays water pollution is a major problem facing our country, how to detect the water quality anomalies quickly is a major issue which needs to be solved urgently. In this paper, using PCA and cluster analysis methods, the similarities and differences of different water samples are analyzed. Meanwhile, two water samples belonging to the same river can be classified into different clusters due to different pollution degrees. It is promising that detecting the abnormal events based on the ultraviolet spectrum of water is possible. The research and results of this paper provide theoretical support and feasibility roadmap of the technology.

scholarly journals Quality Assessment of Some Freshwater Resources Located in Bucharest and Surrounding Areas I. Water Quality Assessment of Herastrau, Pantelimon and Mogosoaia Lakes

2019 ◽  
Vol 70 (8) ◽  
pp. 2889-2896 ◽  
Author(s):  
Petra Ionescu ◽  
Violeta Monica Radu ◽  
Gyorgy Deak ◽  
Elena Diacu ◽  
Ecaterina Marcu ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Water Quality ◽  
Quality Assessment ◽  
Water Samples ◽  
Water Quality Assessment ◽  
Quality Parameters ◽  
Freshwater Resources ◽  
Surrounding Areas

The quality assessment of the aquatic environment from some freshwater resources situated in Bucharest and Ilfov County - Romania has been performed in an extended study and data obtained will be presented in several papers. This first paper presents a case study on water quality assessment of the Mogosoaia, Herastrau and Pantelimon Lakes, lakes built on the Colentina River. Two water and sediment sampling campaigns were conducted in the summer and autumn 2016, 29 specific parameters were determined for water samples and heavy metals content for sediment samples. The obtained results for water samples allowed the classification of lakes water in quality classes and the heavy metals values for sediments were compared to the standards of chemical quality, according to the national legislation M.O. 161/2006. Furthermore, for an overview of water quality, the Water Quality Index (WQI) method was used, where the indicators were grouped into two categories: the first category took into account 18 quality parameters (WQI-1) and the second considered heavy metals content (WQI-2).

scholarly journals Quality Assessment of Some Freshwater Resources Located in Bucharest and Surrounding Areas II. Water quality assessment of Arges and Dambovita rivers

2019 ◽  
Vol 70 (10) ◽  
pp. 3638-3643
Author(s):  
Petra Ionescu ◽  
Alexandru Anton Ivanov ◽  
Violeta Monica Radu ◽  
Gyorgy Deak ◽  
Elena Diacu ◽  
...  
Keyword(s):  
Water Quality ◽  
Quality Assessment ◽  
Water Samples ◽  
Water Quality Assessment ◽  
Quality Parameters ◽  
Freshwater Resources ◽  
Sediment Samples ◽  
Sampling Campaign ◽  
Water Quality Classification ◽  
Surrounding Areas

The water quality assessment of Arges River and its tributary Dambovita River is presented in this paper as second part of an extended study on the evaluation of some freshwater resources quality located in Bucharest and surrounding areas [1]. This case study was carried out mainly for the water in the confluence area of Arges and Dambovita rivers, where a water and sediment sampling campaign was organized in June 2018. 21 quality parameters were determined for water samples and for the sediment samples the heavy metals content was evaluated. The results of the water samples analysis allowed the framing in quality classes, and for sediment samples the values obtained were compared with the chemical quality standards for sediments, according to the current national regulations. Following the assessment, it was established that the freshwaters in both Arge� River and Dambovita River, downstream the confluence with the Dambovita River are loaded with different pollutants, such as organic substances and nutrients leading to a lower water quality classification.

scholarly journals Kualitas Sumur Gali di Dusun Wahakaim

2018 ◽  
Vol 2 (4) ◽  
pp. 612-621
Author(s):  
Gracia Victoria Souisa ◽  
Lea Mediatrix Y. Janwarin
Keyword(s):  
Water Quality ◽  
Water Samples ◽  
Laboratory Data ◽  
Total Sample ◽  
Clean Water ◽  
Before And After ◽  
Microbiological Parameters ◽  
Quality Checks ◽  
Dug Wells ◽  
Descriptive Survey

Abstrak Seluruh kepala keluarga Dusun Wahakaim, Desa Aketernate, memenuhi kebutuhan air bersih dengan mengandalkan sumur gali yang secara fisik tidak memenuhi syarat kualitas air bersih. Penelitian ini bertujuan, mengetahui gambaran kualitas air sumur gali ditinjau dari parameter fisik, kimia dan mikrobiologi sebelum dan sesudah penyaringan sederhana. Desain penelitian yang digunakan adalah survey deskriptif berbasis laboratorium, dengan total sampel sebanyak 12 sampel air. Pemeriksaan kualitas air dilakukan di Laboratorium Kesehatan, Provinsi Maluku, data hasil laboratorium secara deskriptif dibandingkan dengan Permenkes RI Nomor 416/Menkes/Per/IX/1990. Hasil penelitian menunjukan, untuk sampel air yang belum disaring, sebanyak 3 sumur gali (37,5%) tidak memenuhi syarat TDS dan rasa, sebanyak 7 sumur gali (87,5%) tidak memenuhi syarat mangan dan klorida, dan 100% tidak memenuhi syarat Total coli, sedangkan sebanyak 4 sumur gali (50%) tidak memenuhi syarat E.coli dan untuk sampel air yang telah disaring, sebanyak 2 sampel air (50%) tidak memenuhi syarat TDS, sedangkan parameter mikrobiologi sebanyak 3 sampel air (75%) tidak memenuhi syarat Total coli.  Efektifitas penyaringan sederhana optimal pada parameter kekeruhan, TSS  dan mangan.   Abstract All of the family heads of Wahakaim, Aketernate Village, met the need for clean water by relying on dug wells that did not physically meet the requirements of clean water quality. This study aims to find out the description of the water quality of dug wells in terms of physical, chemical and microbiological parameters before and after simple filtering. The research design used was a laboratory-based descriptive survey, with a total sample of 12 water samples. Water quality checks were carried out in the Health Laboratory, Maluku Province, descriptive laboratory data compared to Permenkes RI Number 416 / Menkes / Per / IX / 1990. The results showed that for the water samples that had not been filtered, 3 dug wells (37.5%) did not meet the TDS and taste requirements, as many as 7 dug wells (87.5%) did not meet the requirements of manganese and chloride, and 100% did not meet Total coli requirements, while as many as 4 wells dug (50%) did not meet E.coli requirements and for water samples that were filtered, 2 water samples (50%) did not meet the TDS requirements, while microbiological parameters were 3 water samples (75% ) does not meet the requirements of Total coli. Simple optimal filtering effectiveness on turbidity parameters, TSS and manganese.  

scholarly journals Water Quality Sampling in Billy Barquedier National Park and Surrounding Areas, Belize, C.A.

2021 ◽  
Vol 10 (3) ◽  
Author(s):  
Taylor Boatwright ◽  
Briana Monarca ◽  
Minerva Brauss ◽  
K. Daniel Brauss
Keyword(s):  
Escherichia Coli ◽  
Water Quality ◽  
Water Samples ◽  
National Park ◽  
Water Source ◽  
Fecal Coliforms ◽  
Human Need ◽  
Surrounding Areas ◽  
Drinking Quality ◽  
Physical Components

Looking at the physical, microbial, and chemical makeup of water samples gives a good indication of the drinking quality, which is important as it’s a vital human need.  Testing water from Billy Barquedier National Park and the Valley community in the Stann Creek District, Belize, CA. is important to tell whether contamination is taking place from the water source or in the pipe systems.  Testing involved taking samples as well as testing in the field with the Pro DSS water quality meter.  Lab testing used a colorimeter and autoclave to test the microbial and chemical makeup. It’s important to look to at the connection between the chemical and physical components compared to the microbial components to see connections between harmful bacteria such as Escherichia coli and fecal coliforms.

scholarly journals Quality Assessment of Some Freshwater Resources Located in Bucharest and Surrounding Areas II. Water quality assessment of Arges and Dambovita rivers

2019 ◽  
Vol 70 (10) ◽  
pp. 3638-3643
Keyword(s):  
Water Quality ◽  
Quality Assessment ◽  
Water Samples ◽  
Water Quality Assessment ◽  
Quality Parameters ◽  
Freshwater Resources ◽  
Sediment Samples ◽  
Sampling Campaign ◽  
Water Quality Classification ◽  
Surrounding Areas

The water quality assessment of Arges River and its tributary Dambovita River is presented in this paper as second part of an extended study on the evaluation of some freshwater resources quality located in Bucharest and surrounding areas <1>. This case study was carried out mainly for the water in the confluence area of Arges and Dambovita rivers, where a water and sediment sampling campaign was organized in June 2018. 21 quality parameters were determined for water samples and for the sediment samples the heavy metals content was evaluated. The results of the water samples analysis allowed the framing in quality classes, and for sediment samples the values obtained were compared with the chemical quality standards for sediments, according to the current national regulations. Following the assessment, it was established that the freshwaters in both Argeş River and Dambovita River, downstream the confluence with the Dambovita River are loaded with different pollutants, such as organic substances and nutrients leading to a lower water quality classification. Keywords: freshwater, water quality, pollution, Arges River, Dambovita River

Investigation of Some Water Quality Parameters of Pond Water under Mymensingh Municipality

2015 ◽  
Vol 8 (1) ◽  
pp. 85-89
Author(s):  
F Zannat ◽  
MA Ali ◽  
MA Sattar
Keyword(s):  
Water Quality ◽  
Water Samples ◽  
Chemical Properties ◽  
Pond Water ◽  
Quality Parameters ◽  
Water Quality Parameters ◽  
Urban Region ◽  
Mn Toxicity ◽  
Ph Values ◽  
Drinking Water Standard

A study was conducted to evaluate the water quality parameters of pond water at Mymensingh Urban region. The water samples were collected from 30 ponds located at Mymensingh Urban Region during August to October 2010. The chemical analyses of water samples included pH, EC, Na, K, Ca, S, Mn and As were done by standard methods. The chemical properties in pond water were found pH 6.68 to 7.14, EC 227 to 700 ?Scm-1, Na 15.57 to 36.00 ppm, K 3.83 to 16.16 ppm, Ca 2.01 to 7.29 ppm, S 1.61 to 4.67 ppm, Mn 0.33 to 0.684 ppm and As 0.0011 to 0.0059 ppm. The pH values of water samples revealed that water samples were acidic to slightly alkaline in nature. The EC value revealed that water samples were medium salinity except one sample and also good for irrigation. According to drinking water standard Mn toxicity was detected in pond water. Considering Na, Ca and S ions pond water was safe for irrigation and aquaculture. In case of K ion, all the samples were suitable for irrigation but unsuitable for aquaculture.J. Environ. Sci. & Natural Resources, 8(1): 85-89 2015

Changes of microbial indices of water quality in the Vistula and Brda rivers as a result of sewage treatment plant operation

2008 ◽  
Vol 37 (2) ◽  
Author(s):  
Maciej Walczak
Keyword(s):  
Water Quality ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Sewage Treatment Plants ◽  
Plant Operation ◽  
Treated Sewage ◽  
Microbiological Parameters ◽  
Microbial Indices

Changes of microbial indices of water quality in the Vistula and Brda rivers as a result of sewage treatment plant operationThis paper reports the results of studies of microbiological changes in the water quality of the Vistula and Brda rivers after the opening of sewage treatment plants in Bydgoszcz. The study involved determining the microbiological parameters of water quality. Based on the results obtained, it was found that the quality of the water in both rivers had improved decidedly after the opening of the plants, although an increased number of individual groups of microorganisms was found at the treated sewage outlet from one of the plants.

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