There are three major problems associated with the use of the Colorado River's water, including_ frequent flooding water disputes between the United States and Canada overflowing reservoirs subsidence the fact that the Colorado River basin includes some of the driest areas in the United States
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- The party primarily at fault for the water crisis in Flint, Michigan was the governmental agencies. The two main government agencies at fault are the Michigan Department of Environmental Quality and the Environmental Protection Agency, they failed to properly monitor and respond to the major issues that came up involving the water quality, despite receiving very early evidence of there being contamination (Sullivan, 2017). Although others, including city officials and water treatment personnel, share some blame, it was the systemic failures within governmental bodies that allowed the crisis to escalate. Regaining public trust after a significant blow requires transparency, accountability, and meaningful action. Being transparent with the public involves providing accurate information, and letting the public be fully aware of the inter-workings of governmental agency actions. Being accountable involves acknowledging past mistakes, such as putting out a statement admitting fault to how…Explain how streams can cleanse themselves andhow these cleansing processes can be overwhelmed.What is wastewater? Describe the state of streampollution in more- and less-developed countries.Give two reasons why lakes cannot cleanse themselves as readily as streams can. Distinguish betweeneutrophication and cultural eutrophication. Listways to prevent or reduce cultural eutrophication.Explain why groundwater cannot cleanse itself verywell. What are the major sources of groundwatercontamination in the United States? List ways to prevent or clean up groundwater contamination. Listsome ways to purify drinking water. Describe the environmental problems caused by the widespread useof bottled water.What is the key concept for this section? Whatpercentage of available freshwater is lost throughinefficient use and other causes in the world and inthe United States? What are two major reasons forthose losses? Describe three major irrigation methodsand list ways to reduce water losses in irrigation. Listfour ways to reduce water waste in industries andhomes and three ways to use less water to removewastes. What is gray water? Describe Sandra Postel’sefforts to educate people about water supply issues.List four ways in which you can reduce your useand waste of water. What is a floodplain? List fourhuman activities that increase the threat of floodingand four ways to reduce our contribution to flooding
- Explain how streams can cleanse themselves ofoxygen-demanding wastes and how these cleansing processes can be overwhelmed. What is wastewater? Describe the state of stream pollution inmore-developed and less-developed countries.Give two reasons why lakes and reservoirs cannotcleanse themselves of pollutants very well. Define and distinguish between eutrophication and cultural eutrophication. List three ways to prevent orreduce cultural eutrophication. What are the majorsources of groundwater contamination in the UnitedStates? Explain why groundwater cannot cleanseitself very well. List three ways to prevent or cleanup groundwater contamination. List some ways topurify drinking water. Describe the purification ofdrinking water in more-developed and less-developedcountries. Describe environmental problems causedby the widespread use of bottled water. How are lawsused to protect drinking water in the United States?List three ways to strengthen the U.S. Safe DrinkingWater Act. Describe how…About one-third of the annual surface runoff is which we can generally count on as a source of freshwater from year to year. reliable surface runoff transpiration O embedded water virtual water artesian runoffThe population of Desert Paradise (DP; a fictitious town) hasbeen doubling every 7 years. Most of the new inhabitants are“snowbirds,” people escaping the cold winters of northerlylatitudes. There are no permanent streams or lakes anywherenear DP. In fact, the only standing water occurs in the ponds ofthe many golf courses that have been built recently. The water inthese ponds needs to be replenished almost constantly, or theponds will dry up. The golf courses and yards of the suburbanstyle developments of DP all have lawns of green grass. DP hasbeen growing on a flat, sediment-filled basin between two smallmountain ranges. Much of the water supply of DP comes fromwells. What do you predict will happen to the water table of thearea in coming years, and how might the land surface change asa consequence? Might you suggest a policy to the residents ofDP that could slow the process of change?
- A developer is interested in building vacation homes on 150acres of oceanfront property. A priority is to retain as muchnatural beauty of the area as possible. Safe and effectivewastewater treatment must be part of the plan. What advantagesand disadvantages of each of the following options mustthe developer consider before selecting one?a) Individual septic systems for each homeb) Trickling filter systemc) Constructed wetlandsA city’s sewage outfall flows 40 ft3/s of sewage with a BOD concentration of 30 mg/L anda DO of 1.5 mg / L into a small river that has a flow rate of 280 ft3/s and a velocity of 1.1 ft /s.The river has a natural BOD of 3.5 mg/L and at this time of year the DO level is 7 mg/L. Giventhe water temperature this time of year the DO saturation is 8.5 mg / L. Given a deoxygenationcoefficient of 0.59 day-1 and a rearation coefficient of 0.70 day-1, answer the following:a. what is the basic assumption we make regarded the mixing of waste into the river?b. calculate Do amd Lo just downstream from the outfallc. calculate the tiem and distance when DO is a minimumd. calculate the minimum DOe. Find the DO 10 miles downstream.Indicate whether the following statements about the Clean Water Act (CWA) are True or False. Overall, the CWA has significantly increased the # of streams that are fishable and swimmable since the 1960's The CWA sets standards for drinking water Fines set by the CWA for polluting are often lower than the cost for a company to dispose of wastes legally, and thus companies continue to pollute The CWA does not allow any company or agency to discharge any amount of toxic chemicals or other pollutants into navigable waters
- Explain the environmental issues that would most likely arise from the water transfer.How might you be contributing directly or indirectlyto the annual dead zone that forms in the Gulf ofMexico (Core Case Study)? What are three things youcould do to reduce your impact?Pollution is caused mainly through anthropogenic activities. List the contribution you and your community play in making drinking water unwholesomeWhat are the causes of poor solid waste management in your communityHow is waste water managed in your community? Describe it.What environmental effects do you for see on the air quality and water bodies?