Getting a permit of discharging wastewater into water sources (WWTS_Vietnam)
The objects must making a dossier to get the permit of discharging wastewater into water sources:
■ | Production - Trading - Services enterprises, industrial zones, residential areas, urban areas, factories, hospitals, hotels, workshops... that discharge wastewater to the water sources. |
The description of works:
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Surveying, collecting the datas about the production technology of the enterprises. |
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Defining the pollution arising sources of the project such as: air waste, wastewater, solid waste, noise. Defining all kinds of waste that arise during the construction & operation phases of the project. |
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Assessment of impact level of pollution sources from project activity to natural resource & environmental factors. | |
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Defining the consumption need of water supply & volume of discharging wastewater. | |
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Defining the specific characteristics of wastewater sources, existing wastewater treatment plant. | |
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Taking samples of influent & effluent wastewater of the factory and analyzing at the LAB. | |
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Descripton of wastewater treatment project: waste discharging modality, waste discharging regime, waste discharging volume... | |
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Aproaching, collecting, statistic, sampling of wastewater, description of neighbour enterprises that have the same receiving source of discharging wastewater (inside the radius of 1km to the waste dischargin source). | |
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Defining the specific characteristics of reciving source of wastewater (river, stream, canal, ditch that recives wastewater): hydrography regime. | |
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Assessment of activities concerning receiving sources: features of nature, economy & society. | |
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Taking samples of wastewater canal, ditch (the direct receiving sources) at the different locations then analyze at the LAB. | |
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Taking samples at the river (the end receiving source) at the different locations and according to the hydrography of water stream then analyze at the LAB. | |
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Assessment of quality, receiving ability of wastewater receiving sources. | |
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Impact assessment of enterprise wastewater discharge to the water sources. | |
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Making a map at the location of wastewater discharge to the water sources with the scale of 1/10.000. | |
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Making a diagrams for surveying, sampling. | |
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Organization of assembly for apprasing & approving the wastewater discharging project. |