Centre City Operates Its Own Municipal Public Drinking Water System

Centre City operates its own municipal public drinking water system for which the Environmental Protection Agency has set maximum levels of pollutants. The city does not use any equipment to meet these standards. With regard to any contamination of the water, under the Safe Drinking Water Act, this is most likely

A) a violation.
B) not a violation because the city does not set the standards.
C) not a violation because water is not a stationary source.
D) not a violation because the city does not use any equipment.