According to this passage, which scenario would be in violation of the CWA?
A
An oil refinery directly channels chemical wastewater into surrounding man-made ditches.B
Builders construct a landfill that uses liners to reduce wastewater from seeping into the ground.C
A water quality expert at a lake records the level of a toxic chemical below current standards.D
A paper mill factory gets permission to release an approved amount of discharge into a stream.