System violated 40 C.F.R. Part 141, Subpart H due to the periods of time when the redundant chlorine line for the Catskill Aqueduct was inoperable. AO requires system to fix the problem, perform public notice and establish a testing protocol to ensure continued operation of all chlorine lines. For PWS actions, injunctive relief amounts and unit is only entered in once per ICIS training by HQ.