TROY NH IS IN VIOLATION OF THE AVERAGE MONTHLY AND MAXIMUM DAILY EFFLUENT LIMITATIONS FOR TOTAL RESIDUAL CHLORINE, AND HAS VIOLATED THE AMMONIA AS NITROGEN AVERAGE MONTHLY CONCENTRATION LIMITS. THE AO REQUIRES CONSTRUCTION OF A WWTF DECHLORINATION SYSTEM TO ACHIEVE COMPLIANCE WITH THE TRC LIMITS BY 8/15/03. THE AO REQUIRES TROY TO SUBMIT A FACILITIES STUDY REPORT BY 8/1/03. WITH A PROPOSED SCHEDULE FOR WWTF IMPROVEMENTS TO ACHIEVE COMPLIANCE WITH AMMONIA AS NITROGEN LIMITS.