For the month of August 2002, the Respondent reported a monthly average turbidity of 1.73 NTU of 1.73 NTU for the Croton Water Supply System based on monitoring performed as per 40 C.F.R. �141.22, a violation of 40 C.F.R. �141.13. Respondent failed to notify the public of this violation within thirty (30) days, in violation of 40 C.F.R. Part 141, Subpart Q.