Region 8
Serving Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 27 Tribal Nations
Stormwater Regulations and Guidance
National Information
Regional Information
Clean Water Act PDF (230 pp, 536K, About PDF) The Federal Water Pollution Control Act [As Amended Through P.L. 107-303, November 27, 2002]
Federal Register Version of the Phase 2 Rule PDF (131 pp, 1.24MB, About PDF) NPDES Regulations for Revision of the Water Pollution Control Program Addressing Storm Water Discharges; Final Rule. 40 CFR Parts 9, 122, 123, and 124.
40 CFR Part 122 PDF (176 pp, 381K, About PDF) The National Pollutant Discharge Elimination System [Revised as of July 1, 2001]
NPDES Stormwater Program Questions and Answers PDF (35 pp, 384K, About PDF) [Revised December 17, 2004]
Region 8 clarification of the definition of storm water discharges associated with industrial activity and small construction activity PDF (12 pp, 263K, About PDF)