Code of Colorado Regulations
1000 - Department of Public Health and Environment
1002 - Water Quality Control Commission (1002 Series)
5 CCR 1002-38 - REGULATION NO. 38 - CLASSIFICATIONS AND NUMERIC STANDARDS SOUTH PLATTE RIVER BASIN LARAMIE RIVER BASIN REPUBLICAN RIVER BASIN SMOKY HILL RIVER BASIN


Current through Register Vol. 47, No. 17, September 10, 2024

Rules 38.5, 38.64 eff. 07/01/2007.
Rules 38.6, 38.65 eff. 09/01/2007.
Rule 38.6 eff. 09/30/2007.
Rules 38.6 6, 38.67 eff. 09/30/2007.
Rules 38.6, 38.36, 38.52, 38.6 5, 38.66, 38.67 corrections eff. 10/11/2007.
Rules 38.6, 38.6 8 eff. 03/01/2008.
Rules 38.6, 38.6 9, 38.70, 38.71 eff. 03/30/2009.
Rules 38.5, 38.6, 38.72, 38.73, 38.74 eff. 01/01/2010.
Rules 38.6 (Tables 1-39), 38.75, 38.76 eff. 06/30/2010
Rules 38.6 (Tables 1-40), 38.77 eff. 11/30/2010.
Rules 38.6 (Tables 1-39), 37.78 eff. 06/30/2011.
Rules 38.6 (Table pg. 4), 38.79 emer. rule eff. 12/13/2011; expired 12/13/2012.
Rules 38.6 (Tables pgs. 2, 3, 4, 10, 19, 21, 23, 24, 25, 30, 33, 34, 36), 38.80 eff. 01/01/2012.
Rules 38.6 (Table pg. 4), 38.81 eff. 12/31/2012.
Rules 38.6 (Table pg. 20), 38.82 eff. 03/01/2013.
Rules 38.6 (Tables pgs. 6-7), 38.84 emer. rule eff. 05/13/2013.
Rule 38.83 eff. 06/30/2013.
Rules 38.6 (Tables pgs. 1-37), 38.85-38.86 eff. 09/30/2013.
Rules 38.6 Upper South Platte River segments 22a-22b, 38.87 eff. 04/30/2014.
Rules 38.6 -(h), Upper South Platte River segments 14-16j, Bear Creek segment 1c, Clear Creek segments 2a-2c, 9a, 11, 13b, 14a-15, Boulder Creek segments 8-9, St. Vrain Creek segments 2b, 6, Middle South Platte River segments 1a, 4, Big Thompson River segments 2, 4b, 5, 9, Cache La Poudre River segments 11, 13b, Lower South Platte River segment 1, 38.88 eff. 06/30/2014.
Rules 38.6 Upper South Platte River segments 3, 10a, Clear Creek segments 2a, 2c, 15, Big Thompson River segment 2, 38.89 eff. 06/30/2015.
Rules 38.3, 38.5, 38.6 -(4), 38.7, 38.90, Stream Classifications and Water Quality Standards Tables eff. 12/31/2015.
Rules 38.5, 38.6, 38.91, Appendix 38-1 eff. 03/01/2016.
Rule 38.92 eff. 06/30/2016.
Rules 38.6, 38.93, Appendix 38-1 eff. 03/01/2017.
Rules 38.6, 38.94, 38.95, Appendix 38-1 eff. 06/30/2017.
Rule 38.96, Appendix 38-1 Upper South Platte Segments 16i, 22a, Clear Creek Segments 3b, 6, 21 eff. 01/31/2018.
Rule 38.97, Appendix 38-1 eff. 06/30/2018.
Rule 38.98, Appendix 38-1 eff. 06/30/2019.
Rules 38.6, 38.99, 38.100, Appendix 38-1 eff. 06/30/2020.
Rules 38.2 -38.3, 38.5-38.6, 38.101, Appendix 38-1 eff. 12/31/2020.
Rules 38.102, Appendix 38-1 eff. 02/14/2021.
Rules 38.103, Appendix 38-1 eff. 06/30/2021.
Rules 38.5 -38.6, 38.104, Appendix 38-1 eff. 12/31/2021.
Rules 38.6, 38.105, Appendix 38-1 eff. 09/30/2022.
Rule 38.105, Appendix 38-1 eff. 11/30/2022.
Rules 38.5(4), 38.6(3), 38.6(5), 38.106, Appendix 38-1 eff. 06/14/2023.
Rules 38.107, Appendix 38-1 eff. 12/31/2023.

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