EARTH SCIENCE
CLIMATE AND ENVIRONMENTAL CHANGE
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Question
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The city wants to terminate one of the sewage treatment plants in an effort to save money. This would then require all sewage to be rerouted to a neighboring plant. The Environmental Protection Agency is concerned that this would result in lower water quality for the surrounding inlets. Therefore, they begin monitoring the water quality around the proposed effected treatment plants. One way to monitor water quality is to periodically determine the dissolved oxygen levels. What predictions can be made that will support or deter the city’s decision?
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Determining the potential increase in treated sewage will predict the increase dissolved oxygen levels in the water. This will result in increase in the fish population which will increase local tourism.
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Monitoring water quality before determines the load restrictions the environment can handle. An increase in the output raises the risk in decrease dissolved oxygen levels which will result in an increase in dead fish.
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Dissolved oxygen is not a standard water quality measurement therefore knowing the amounts is not relative to the city’s decision. The Environmental Protection Agency is wasting time and money creating baseline data.
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Determining water quality at both locations will determine the chlorination required for the sewage. Excess chlorination will increase dissolved oxygen levels, stimulating fish spawns. This will support the city’s decision to terminate the plant.
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Explanation:
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