Programs

Erosion Control & Stormwater Quality Guide (Revised Chapter 5 EC 5&6 July 2014)

Listed by Chapter in PDF Format
 Title   Type 
File PDF document Cover & Table of Contents File
File PDF document Chapter 1 File
File PDF document Chapter 2 File
File PDF document Chapter 3 File
File PDF document Chapter 4 File
File Chapter 5 File
File PDF document Chapter 6 File
File PDF document Appendix A File
File PDF document Glossary File
File PDF document References File
File PDF document RECAT Questionnaire File

Report an Illegal Discharge

  • Hotline: 303-512-4H2O
    (303-512-4426)

Illegal discharges (aka, illicit discharges) emit into CDOT's storm drain system pollutants (e.g., oil, grease, fertilizers, pesticides, grass clippings, leaves, or odd smelling/colored substances).

Colorado: The Official State Web Portal