scholarly journals General properties of water of Baidya fish pond, Tankisinwari, Nepal

2013 ◽  
Vol 2 ◽  
pp. 55-63
Author(s):  
Ganesh Bahadur Thapa ◽  
Joydeb Pal

In the present study, ranges and correlation among different physicochemical parameters viz., air temperature, water temperature, pH, turbidity, total dissolved solids, conductivity, dissolved carbon dioxide, ammonia, nitrate, dissolved oxygen, biological oxygen demand, chloride, total alkalinity, total hardness and phosphate were taken into consideration. The water quality of Baidya fish pond was normal except high fluctuation of chloride 1±0.241 to 29.84±0.260 mg/l and ammonia 1.55±0.088 to 18.7±0.061 mg/l during manuaring period and casual addition of wastes like toilet cleaners, caustic potash etc. Outbreak of epizootic ulcerative syndrome (EUS) was observed at the periphery of Baidya fish farm during winter months when polluted cold water from Koshi canal was added. The affected fishes developed several lesions around the body and fin rot. Due to sudden fall in dissolve oxygen, less than 4 mg/l during April and May, 2010 mass mortality of fishes Labeo rohita, Cirrhina mrigala, Hypothalamichthys molitrix, Aristichthys nobilis occurred. When chicken droppings were added in pond, ammonia was raised up to 18.7 mg/l which led to mass mortality of fish (Pangasius) during August. DOI: http://dx.doi.org/10.3126/njbs.v2i0.7490 Nepalese Journal of Biosciences 2 : 55-63 (2012)

2018 ◽  
Vol 30 ◽  
pp. 129-140
Author(s):  
Ganesh Bahadur Thapa ◽  
Joydeb Pal

Itahari Sub-metropolitan pond is located in the centre of the city. Influence of variations in physico-chemical parameters on aquatic flora and fauna especially in fishes brought strong stress on fishes and increases the incidence of diseases leading to high mortality. Due to lack of adequate knowledge about it, productivity of ponds is very low. In the present study, maximum and minimum variations and correlation between different physico-chemical parameters - air temperature, water temperature, pH, turbidity, total dissolved solids, dissolved carbon dioxide, ammonia, dissolved oxygen, biological oxygen demand, chloride, total alkalinity, total hardness and phosphate were taken into consideration. The water quality of fish ponds were normal except high fluctuation of chloride 4.0 - 44.87mg/l and ammonia 0.48-13.6 mg/l during manuaring period and casual addition of wastes like toilet cleaners, caustic potash etc.. Due to sudden fall in DO less than 4 mg/l during April and May, 2014 and increment of ammonia after addition of toilet wastes in Sept.19, 2015 ; mass mortality of fishes Labeo rohita, Cirrhina mrigala, Hypothalamichthys molitrix, Aristichthysnobilis occurred in the study site.


2008 ◽  
Vol 5 (3) ◽  
pp. 435-446 ◽  
Author(s):  
Mayur C. Shah ◽  
Prateek G. Shilpkar ◽  
Pradip B. Acharya

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.


2017 ◽  
Vol 12 (1) ◽  
pp. 174-180 ◽  
Author(s):  
Navendu Sharma ◽  
Yogesh Walia

Present investigation was carried out on Satluj river in Himachal Pradesh for the analysis of important physical and chemical water quality parameters during November, 2015 to February, 2016. Parameters such as turbidity, total alkalinity, pH, conductivity, magnesium hardness, biological oxygen demand (BOD), chemical oxygen demand (COD), dissolved carbon dioxide, total hardness, chloride, phosphate, nitrate and calciumwere analyzed from five sampling stations i.e. First Sampling Station (SS-1) – Khab, Kinnaur, Himachal Pradesh; Second Sampling Station (SS-2) – Wangtoo, Near dam site of Karcham Wangtoo Hydroelectric Plant, Kinnaur, Himachal Pradesh;Third Sampling Station (SS-3) – Bayal at the Rampur city, Shimla, Himachal Pradesh; Fourth Sampling Station (SS-4) - Kol dam, Bilaspur, Himachal Pradesh and Fifth Sampling Station (SS-5) - Wajipur Kalan, Ludhiana, Punjab in the study area. The analyses were carried out according to APHA, 2012 procedures. The analysis of data reveals that turbidity, chemical oxygen demand, biological oxygen demand and chlorides were found to be higher than the acceptable limit prescribed by Bureau of Indian standards (BIS), WHO standards. Higher values of these parameters reveal that the pollution in Satluj river is due to siltation, domestic & municipal sewage, industrial sewage and surface run-off that effect the water quality directly or indirectly.


2015 ◽  
Vol 10 (3) ◽  
pp. 967-974 ◽  
Author(s):  
Vandana Sharma ◽  
Yogesh Walia

Today the environment has become harmful for the health of living organisms due to excessive pollution and contamination of natural resources. The present investigation has been carried out with the objective to assess the water quality of the Gobind Sagar Lake, Bilaspur, Himachal Pradesh (India) using physico-chemical parameters with heavy metals of the lake. For this study, three sampling sites were identified and samples from different sites were collected in summer season and important parameters [Water Temperature, pH, Total Hardness, Dissolved Carbon Dioxide (CO2), Dissolved Oxygen (DO), Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), Chloride, Total Alkalinity, Total Dissolved Solid (TDS)] with heavy metals [ Lead (P), Copper (Co), Iron (Fe), Cadmium (Cd), Nickel (Ni) and Manganese (Mn), Chromium (Cr) were analyzed. The results revealed that the different conditions of Gobind Sagar Lake in different sampling stations showed fluctuations in some physico-chemical parameters and also in heavy metals. These result depicted that water of lake was polluted in the form of nutrient enrichment which is due to agricultural activities and its runoff in and around catchment area of the lake. There are other many ways that things can end up in the lake as the free style way of disposal of industrial and domestic effluents etc. Results of studies on heavy metals in pollution are well documented revealing the toxic effects of these metals on aquatic organisms.


2006 ◽  
Vol 28 (64) ◽  
Author(s):  
Solomon Henry Agbon Aluyi ◽  
Frederick Osaro Ekhaise ◽  
Basil Nevo

The Bacteriological and physicochemical quality of five (5) boreholes (Ikoyi’s lodge, Newton’s Villa, Iyobosa Hostel, Embassy Hostel and Amega Villa) in Ekosodin village were investigated fortnightly, from March 2004 – July 2004. The bacteriological analysis showed low counts of total heterotrophic and potential human pathogenic bacteria that ranged from 1.0 x 101 cfu/mI – 3.1 x 101 cfu/mI, and 0.0 – 1.9 x 101 cfu/mI respectively. Total coliform counts with MPN values ranged from 0.00MPN/100mI – 9MPN/100mI. E coli occurred occasionally in stations 2, 3 and 5 with a range of 0.00MPN/100mI – 4MPN/100mI. Streptococcus faecalis was observed only in station 3, Clostridium perfringens was not detected in any of the sampled stations. Other organisms isolated and characterized during the study included Staphylococcus aureus and Proteus sp. Some of the physicochemical parameters studied included water temperature, conductivity, pH, total suspended solids, and total dissolved solids. All had low mean concentrations that ranged from 27.0ºC – 28.0ºC; 9.2 – 13.6 us/cm, 6.4 – 6.7; 0.06 – 0.08mg/l and 0.15 – 0.20mg/l respectively. The biological oxygen demand (BOD), dissolved oxygen (DO), total alkalinity and total hardness in mg/l were all low and ranged from 0.08mg/l – 0.2mg/l; 0.7mg/l – 1.0mg/l; 5.0mg/l – 6.0mg/l and 0.10mg/l – 0.13mg/l respectively. Other parameters with low concentration were nitrate (0.05 – 0.11mg/l), sulphate, (0.07mg/l – 0.13mg/l) and phosphate (0.0mg/l – 0.10mg/l). All the physicochemical parameters considered did not indicate any possible physicochemical pollution as they all fell within the (9) maximum permissible level for portable water. There were both positive and negative correlations between some of the bacteriological and physicochemical properties at a significant level of 95% probability limit. Based on the bacteriological and physicochemical parameters studied, boreholes 1 and 4 are fit for direct consumption, while bore holes 2, 3 and 5 failed to meet the bacteriological standard for portable water.


2021 ◽  
Vol 9 (2) ◽  
pp. 12-26
Author(s):  
Gerald Nkurunziza ◽  
◽  
Timothy Omara ◽  
Caroline Kiwanuka Nakiguli ◽  
Paul Mukasa ◽  
...  

In the current study, water from Chuho springs used as the main water source in Kisoro municipality, Uganda were assessed for their suitability as drinking water. The temperature, turbidity, conductivity, total dissolved solids, dissolved oxygen, biological oxygen demand, total hardness, total alkalinity, calcium, magnesium, phosphates, iron, copper, arsenic, chlorides and the fluoride content of the water samples were determined. Not all the parameters met World Health Organizations’ guidelines for drinking water. Temperature, dissolved oxygen and fluorides were outside the recommended limits of 15 ℃, 10-12 mg/L and 1.5 mg/L, respectively. Further studies should assess the microbiological and sanitary profile of the springs.


Author(s):  
S.K. Pathak ◽  
Shambhu Prasad ◽  
Tanmay Pathak

The present paper was intended to calculate water quality index (WQI) of river Bhagirathi. It is one of the tributary of holy river Ganga of India. In order to determine the quality of its water for public use, recreation and other purposes , the eleven parameters like pH, electric conductivity, Total dissolve solids, Total suspended solids, Dissolve oxygen , Biological oxygen demand, Total alkalinity, Total hardness, Chloride, Nitrate and Sulphate were determine. The water quality index calculated from the observed parameters indicate the river Bhagirathi at  Uttarakhand during winter was under good water quality condition, while at summer and rainy season of showed poor water quality index. In terms of index number ,offers a useful representation of overall quality of water for public or for any intended use as well as in the pollution mitigate plan and in water quality management.


Author(s):  
Shambharkar Rajesh. M

This investigation reveal as the Physico-chemical parameters of Girna project were monitored over period of one year July 2007 to June 2008. The fresh water of the Girna project is mostly used for the drinking and Agricultural purposes. The study of different parameters like Temperature, Rain fall, pH, Turbidity, T.D.S., Dissolved Oxygen, Dissolved carbon dioxide, Total hardness, calcium, Magnesium, and Chloride were well studied and suggest that the quality of water is not polluted.


2018 ◽  
Vol 6 (1) ◽  
Author(s):  
Badusha M. ◽  
Santhosh S

The hydro geochemical features of Neyyar River for a period of one year from May 2015 to April 2016 were analyzed. Six sampling sites were fixed considering physiography and present landuse pattern of the river basin. The residents in the drainage basin are primarily responsible for framing a better landuse and thereby maintain a good water and sediment regime. Geospatial pattern of the present landuse of the study area indicated that the sustainability of this river ecosystem is in danger due to unscientific landuse practices, which is reflected in the river quality as well. The parameters such as hydrogen ion concentration, electrical conductivity, chloride, Biological Oxygen Demand, total hardness and sulphate of river water and Organic Carbon of river bed sediments were analyzed in this study. The overall analysis shows that the highland areas are characterized by better quality of water together with low organic carbon, which is mainly due to better landuse and minimal reclamation. The midland and lowland areas are characterized by poor quality of water with high organic carbon, which is due to high anthropogenic activities and maximum pollutants associated with the region together with the alteration in landuse from a traditional eco-friendly pattern to a severely polluted current pattern.


2003 ◽  
Vol 47 (12) ◽  
pp. 293-300 ◽  
Author(s):  
J. Veenstra ◽  
S. Nolen ◽  
J. Carroll ◽  
C. Ruiz

A 3-year study was conducted by the U.S. Army Corps of Engineers assessing water quality related impacts of aquaculture of 250,000 channel catfish (Ictalurus punctatus) in floating net pens in the Rock Creek Arm of Lake Texoma, Oklahoma/Texas. Five large nylon nets suspended from a floating framework of galvanized metal anchored in open water 100 m offshore made up the net pens with fish stocking densities varying from 88 to 219 fish/m3. Water quality sampling was conducted biweekly from April to September and monthly from October to March at three locations. On all sampling dates field measurements of water temperature, pH, dissolved oxygen, and conductivity were recorded at 1 m depth intervals and water samples were collected at a depth of 0.5 m and near the bottom of the water column at each site. Sample analyses included: total alkalinity, total hardness, turbidity, chloride, sulfate, orthophosphate, total phosphorus, nitrate-N, nitrite-N, total Kjeldahl nitrogen, total organic carbon, dissolved organic carbon, biochemical oxygen demand, and chlorophyll a. The results showed statistically significant decreases in water temperature and dissolved oxygen and significant increases in field conductivity in surface waters near the net pens relative to other sampling sites. The most dramatic water quality effect observed during the study was decrease in dissolved oxygen levels near the net pens following lake turnover in the second year.


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