Code of Colorado Regulations
1000 - Department of Public Health and Environment
1002 - Water Quality Control Commission (1002 Series)
5 CCR 1002-33 - REGULATION NO. 33 - CLASSIFICATIONS AND NUMERIC STANDARDS FOR UPPER COLORADO RIVER BASIN AND NORTH PLATTE RIVER (PLANNING REGION 12)


Current through Register Vol. 47, No. 5, March 10, 2024

Entire rule eff. 07/01/2007.
Rules 33.6 , 33.42 eff. 09/01/2007.
Rules 33.6 , 33.43 eff. 03/01/2008.
Rules 33.3, 33.5, 33.6 , 33.44 eff. 01/01/2009.
Rules 33.6 (Tables 1-18), 33.45 eff. 06/30/2010.
Rules 33.6 (Tables 1-18), 33.46 eff. 11/30/2010.
Entire rule eff. 06/30/2011.
Rules 33.6 (Table pg. 17), 33.48 eff. 01/01/2012.
Rules 33.6 (Table pg. 17), 33.49 eff. 06/30/2013.
Rules 33.6 , 33.6 (Tables pgs. 1-2, 4-6, 8-13, 15-17), 33.50 eff. 09/30/2013.
Rules 33.6 Basin Eagle River segments 8-9a, 33.51 eff. 06/30/2014.
Rules 33.5-33.6, 33.52 eff. 12/31/2014.
Rules 33.6 Basin Yampa River segment 13i, 33.53 eff. 06/30/2015.
Rules 33.5, 33.6, 33.54, Appendix 33-1 eff. 03/01/2016.
Rules 33.55 , 33.56 , Appendix 33-1 eff. 06/30/2016.
Rules 33.57 , Appendix 33-1 eff. 06/30/2017.
Rules 33.58 , Appendix 33-1 eff. 09/30/2017.
Rules 33.6 , Appendix 33-1, 33.59, 33.60 eff. 06/30/2018.
Rules 33.61 , Appendix 33-1 eff. 06/30/2019.
Rules 33.2 , 33.3 , 33.5, 33.6 , 33.62, Appendix 33-1 eff. 12/31/2019.
Rules 33.6, 33.63 , 33.64, Appendix 33-1 eff. 06/30/2020.
Rules 33.6 , 33.65 , 33.66, Appendix 33-1 eff. 06/30/2021.
Rules 33.5 -33.6 , 33.67, Appendix 33-1 eff. 12/31/2021.
Rules 33.68 , Appendix 33-1 eff. 09/30/2022.

Disclaimer: These regulations may not be the most recent version. Colorado may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.