System violaed the IESWTR for failing to install individual filter turbidimeters and monitor the turbidity of each individual filter (40 C.F.R. 141.174). The following information should go into 19. Quantitative Environmental Impact of Action: Pollution = microbiaal pathogens, Media - drinking water, Avg Annual = 16,825, Unit = people Not able to enter this information because People is currently not an option under Units.