CA AB1728

Allows publicly owned treatment works to use automatic composite samplers instead of grab samples for collecting representative samples when monitoring constituents subject to mandatory minimum penalties under Water Code Section 13385

Defines "serious violation" to include failure to file required discharge monitoring reports for each 30-day period after the submission deadline, applicable to violations occurring on or after January 1, 2004

Directs penalties collected for late report filing to be deposited in the State Water Pollution Cleanup and Abatement Account and continuously appropriated to the state board for assisting regional boards and public agencies in addressing significant water pollution problems

Establishes that "effluent limitation" means numeric or numerically expressed narrative restrictions on pollutant quantity, discharge rate, concentration, or toxicity units, and excludes receiving water limitations, compliance schedules, and best management practices