Problem:
Makena Industries Inc. discharges water from its air filtration system into the sewer system of Houston. Is Makena Industries Inc. required to have a permit for this discharge under the National Pollutant Discharge Elimination System (NPDES)? a. Yes, because all businesses are required to have the permit. b. No, because the water from the filtration is not considered a pollutant. c. Yes, because it is discharging water into a public water supply. d. No, because it is discharging the water into the sewer, not a waterway.