Clean Water Compliance Date Extension Act of 1983

Clean Water Compliance Date Extension Act of 1983 - Amends the Clean Water Act to extend the compliance date for specified effluent limitation requirements involving: (1) best available technology and best conventional technology for toxic, nonconventional, and conventional pollutants; (2) best practicable technology for all pollutants, in guidelines promulgated after January 1, 1982; or (3) permits issued after January 1, 1982 based on best engineering judgment for pollutants for which guidelines have not been established. Allows such deadlines to be extended to the later of 42 months after enactment of this Act or 36 months after the promulgation of the appropriate effluent guideline or issuance of permit.