Lvels of copper and fecal coliform bacteria found in the water

A state Division of Water Quality department set up a long-term monitoring station and proposed a remediation plan for a stream because of high levels of copper and fecal coliform bacteria found in the water. These pollutants were targeted likely because they

 

a/. were being discharged from a pipe.

b/. exceeded the Total Maximum Daily Loads.

c/. were killing nearby animals.

d/. were causing human illness.

e/. exceeded the water pollution threshold.