What are three contaminants that were introduced to the water and how these were identified in the 2014 Elk River Chemical Spill?

What conclusions can be drawn from the 2014 Elk River Chemical Spill?

Can you recommend at least three methods of alternative waste management that would work and improve methods currently used in Texas please?

Dumping raw sewage into a river will lead to a reduction in dissolved oxygen in the water. What will this reduction most likely cause? A) a decrease in water temperature B) an increase in most aquatic animal populations C) an increase in acid rain D) a decrease in fish populations

Explain the environmental issues that would most likely arise from the water transfer.

How can the Safe Drinking Water Act intend to effect change in the City of Kelsey?

Please help me to answer part a-b Thank you    a) Define the two terms "keystone species" and "trophic cascade." b) Give an example of a keystone species that causes a trophic cascade when removed from its ecosystem. Name the species and briefly describe what happens when it is removed.

Is it  A agricultural  B fractural C industrial D municipal

A wastewater treatment plant discharges of effluent into a stream. Just upstream from the discharge point, the stream has an ultimate BOD of 5 mg/L.Assuming a cross-sectional area for the stream equal to 100 m2, what ultimate BOD (in mg/L) would you expect to find at a point of 15,000 m downstream?Wastewater Flow: 4 m3/secBOD (ultimate): 40 mg/LRiver Flow: 10 m3/secDeoxygeneation constant kd: 0.22 day-1

What are the economic, social, and environmental outcomes of the Safe Drinking Water Act?