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The document discusses various water quality parameters and standards. It outlines physical, chemical and bacteriological contaminants that can affect water quality. It provides desirable and permissible limits for several water quality parameters according to the Bureau of Indian Standards including color, turbidity, pH, hardness, chloride, nitrate and fluoride levels. It also discusses problems that can arise due to contamination and failures to meet water quality standards.
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This document discusses water quality parameters and testing. It outlines that water quality depends on physical, chemical and biological characteristics. Approximately 25% of the world's population lacks access to potable water. Key water quality parameters that are tested include turbidity, pH, hardness, nitrates, chlorides, fluoride, and heavy metals. Testing methods examine parameters like color, odor, dissolved solids, and presence of bacteria, protozoa, and other microorganisms. Maintaining high-quality drinking water requires regular monitoring, sample collection, and analysis of water sources.
COTM.ppt
This document provides information about water treatment processes. It begins with some facts about waterborne diseases and the importance of access to safe drinking water. It then discusses various water sources and quality parameters that must be considered when selecting a source. Key water treatment processes are described, including coagulation, flocculation, sedimentation, and disinfection. Factors for selecting appropriate treatment processes depending on raw water quality are outlined. Recommended treatment methods for different types of impurities are provided. The document concludes with a discussion of common laboratory analysis methods for water quality parameters.
Wastewater treatment
The document discusses water quality parameters and standards. It notes that only 1% of earth's water is available for human use, with the majority being ocean water. Safe drinking water standards are outlined, including being free from pathogens, turbid substances, and chemicals that could be harmful to human health. Various water quality parameters such as pH, hardness, turbidity and contaminants like arsenic, fluoride, and heavy metals are defined and acceptable limits provided according to standards. Water pollution from untreated wastewater is highlighted as a major issue that can spread infectious diseases. Common wastewater treatment methods are also summarized.
Water quality problems in Fishes-nitrogenous components and heavy metals
This document discusses nitrogen components and metal toxicity in fish. It describes how ammonia, nitrite, and nitrate are produced through fish waste and feeding and can become toxic at high levels. Ammonia is particularly toxic and its toxicity depends on factors like temperature, pH, and dissolved oxygen. Heavy metals like copper, cadmium, mercury, and zinc can also poison fish in high amounts. Pesticides added to water supplies can acutely poison fish through nerve damage. Maintaining good water quality through filtration and monitoring nitrogen levels and toxins is important for fish health.
Water quality parameters
It includes pH ,fluorine , nitrate , sulphate etc and their sources, concentration, and effects on usability.
LSD-NEERI- Water Quality Analysis.pdf
This document provides information on various methods for analyzing water quality parameters. It discusses the importance of measuring dissolved oxygen, biochemical oxygen demand, and bacteriological parameters like total coliform and fecal coliform. The principles, procedures, calculations, and sources of error for estimation of these parameters using standard methods are explained in detail. The document also discusses other water quality parameters like pH, conductivity, total dissolved solids, color and their significance in assessing water quality for different uses. Standards for classification of inland surface waters according to the Central Pollution Control Board are also presented.
8.water pollution
The document discusses the definition and types of pollution. It defines pollution as an undesirable change in the environment that harms human or ecosystem health. It then summarizes the main sources and types of pollution, including air, water, soil, and waste pollution. The document also discusses waste generation processes and the waste management hierarchy of reduce, reuse, recycle. It provides examples of point and non-point pollution sources. The majority of the document then focuses on defining and describing various forms of water pollution in more detail, including physical, chemical, and biological indicators and impacts.
Water Quality Criteria and standards).pdf
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2. Global water quantities and scarcity issues facing many regions of the world.
3. Water resources and consumption patterns in Pakistan, highlighting declining per capita availability and future shortages.
4. Common impurities found in drinking water and associated health impacts like bacteria, salts, heavy metals, and radiation.
5. Important water quality parameters including physical, chemical, biological, and radiological measures used to evaluate water safety.
Water Pollution
This document provides an overview of water pollution and water quality parameters. It defines water pollution and describes various water sources. It then discusses key water quality parameters including physical parameters like turbidity, taste and odor, temperature; chemical parameters like pH, hardness, metals, BOD and COD; and biological parameters like pathogens. The document also covers water quality monitoring and control policies in Malaysia. It concludes with discussing effects of pollutants on the environment and humans and principles of water treatment.
Twon water quality, testing and treatment tagd march 2017
This document provides information on water quality, testing, and treatment for private wells. It discusses common contaminants like bacteria, nitrates, salts, and metals that can affect drinking water quality and health. It outlines regulations for public water systems and guidelines for testing private wells. Primary concerns discussed include bacteria (including E. coli), nitrates, total dissolved solids, and sodium. The document provides guidance on shock chlorination and other treatment methods for addressing bacteria in wells. It also provides resources for finding licensed water treatment specialists.
WATER QUALITY-1.pptx
This document discusses water quality and defines potable water as water suitable for drinking and cooking purposes. It outlines two classes of drinking water - Class I water that comes from conventional treatment processes, and Class II water from protected sources that may be used for consumption according to guidelines. The document discusses physical, chemical and microbiological aspects of water quality monitoring as outlined in Uganda's drinking water standards. It provides details on turbidity, color, odor, taste, pH, hardness, dissolved oxygen, toxic substances, iron, manganese and organic nitrogen - explaining definitions, acceptable levels, and procedures for testing these water quality parameters.
Water chemistry
The document discusses water chemistry measurements from an urban stream restoration project. It provides background on various water chemistry parameters like temperature, dissolved oxygen, conductivity, pH, turbidity, phosphorus, and nitrates. It then describes the field and laboratory methods used in 2003 and compares the 2003 results to those from 2002 for two sites. Differences between the sites and years are analyzed in terms of land use, natural variation, increased runoff, and drought conditions.
Water chemistry
This document provides information on water chemistry standards and how to interpret water quality data. It discusses key water quality parameters like dissolved oxygen, biological oxygen demand, nitrogen, pH, turbidity, and others. Optimal levels are outlined for supporting aquatic life. Methods for testing parameters like temperature, dissolved oxygen, biochemical oxygen demand, salinity, phosphates, nitrogen, hardness and more are described.
Pollution of water- Ashish
The document discusses various sources and types of water pollution. It defines water pollution as a change in water's chemical, physical, or biological properties that harms its use. Pollution can come from point sources like factories or non-point sources like urban/farmland runoff. The types of pollutants include industrial/mining wastes, agricultural chemicals, sewage, debris, and persistent pollutants that don't degrade like heavy metals, radioactive materials, and plastic waste. Water pollution causes issues like toxic algal blooms, low oxygen levels, disease outbreaks that kill millions annually, and acid rain formation. Solutions proposed include better land management, banning phosphates, sewage treatment, extraction techniques, and reducing
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Copy of water_quality_parameters.ccdu
- 1. WELCOME DEVESH SHARMA PREPARED IN ORDER TO CONTROL POLLUTION
- 2. PHYSICAL, CHEMICAL & BACTERIOLOGICAL CONTAMINATION OF WATER AND WATER QUALITY STANDARDS
- 6. Aquifiers
- 9. BUREAU OFINDIAN STANDARDS IS 10500-1991 Parameters Disirable limit Permissible limit Colour Hazen unit 5 25 Turbidity-NTU 5 10 pH 6.5-8.5 6.5-8.5 Hardness (as CaCO 3 )mg/l 0.3 1 TDS 500 2000
- 10. BUREAU OFINDIAN STANDARDS IS 10500-1991 Parameters Disirable limit Permissible limit Nitrate mg/l 45 45 Chloride mg/l 250 1000 Flouride mg/l 1 1.5 Arsenic mg/l 0.05 0.05 Aluminium mg/l 0.03 0.2
- 16. Battery acids <1.0 Milk 6.7 Carbonated Beverages 2 – 4 Rain water 6.5 Lemon juice 2.3 Blood 7.5 Orange juice 4.2 Sea water 8.0 Vinegar 3 Ammonia solution 11.3 Domestic sewage 6.5-8.5 Ground water 7.5-8.5
- 28. Essential bacteriological Standards Characteristics Number / 100 ml Treated water in distribution system Feacal coliform zero Total coliform not more than 10 Total coliform should not be detectible in two consecutive samples
- 30. Common problems contd Visible effects Reasons water turns black,smell Waste water Acidic taste Low pH Alkaline taste High pH Boiled Rice hard and yellow High Alkalinity White deposits on boiling Hardness
- 31. Common problems Visible effects Reason Iron taste, change in colour after exposure to atmosphere, change in colour of cloths,utensils Oily appea- rance on top of water body Iron Soap not lathering hardness Brownish black streaks on teeth `Fluride Growth of Algae Nitrate, phosphate Fish kills Low pH less DO Salty taste chloride
- 32. Thank you