Additional resources for NPDES National Pretreatment Program.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- EPA's National Pretreatment Program, 1973-2003: Thirty Years of Protecting the Environment (PDF)(4 pp, 254 K)
- National Pretreatment Program: Report To Congress (PDF)(475 pp, 30 MB)
- National Pretreatment Program: Report To Congress, Appendix A-1 Summaries of SIUs and CIUs for POTW Control Authorities (PDF)(459 pp, 18 MB)
- Report to Congress on the Discharge of Hazardous Wastes to Publicly Owned Treatment Works (PDF)(480 pp, 14 MB)