Code of Colorado Regulations
1000 - Department of Public Health and Environment
1002 - Water Quality Control Commission (1002 Series)
5 CCR 1002-37 - REGULATION NO. 37 - CLASSIFICATIONS AND NUMERIC STANDARDS FOR LOWER COLORADO RIVER BASIN
- Section 5 CCR 1002-37.1 - AUTHORITY
- Section 5 CCR 1002-37.2 - PURPOSE
- Section 5 CCR 1002-37.3 - INTRODUCTION
- Section 5 CCR 1002-37.4 - DEFINITIONS
- Section 5 CCR 1002-37.5 - BASIC STANDARDS
- Section 5 CCR 1002-37.6 - TABLES
- Section 5 CCR 1002-37.7 - 37.9 - Reserved
- Section 5 CCR 1002-37.10 - STATEMENT OF BASIS AND PURPOSE
- Section 5 CCR 1002-37.11 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE: SEPTEMBER, 1990 HEARING ON SEVERAL SEGMENTS
- Section 5 CCR 1002-37.12 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; MARCH 1, 1993 HEARING
- Section 5 CCR 1002-37.13 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE, SEPTEMBER 7, 1993
- Section 5 CCR 1002-37.14 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE (1995 Silver hearing)
- Section 5 CCR 1002-37.16 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JULY, 1997 RULEMAKING
- Section 5 CCR 1002-37.17 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JULY, 2001 RULEMAKING
- Section 5 CCR 1002-37.18 - STATEMENT OF BASIS. SPECIFIC STATUTORY AUTHORITY AND PURPOSE: JULY. 2002 RULEMAKING
- Section 5 CCR 1002-37.19 - STATEMENT OF BASIS. SPECIFIC STATUTORY AUTHORITY AND PURPOSE: JULY. 2003 RULEMAKING
- Section 5 CCR 1002-37.20 - STATEMENT OF BASiS, SPECiFiC STATUTORY AUTHORiTY AND PURPOSE; DECEMBER 12, 2005 RULEMAKiNG EFFECTiVE DATE OF MARCH 2, 2006
- Section 5 CCR 1002-37.21 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE DECEMBER 2006 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; ADOPTED JANUARY 8, 2007; EFFECTIVE MARCH 4, 2007
- Section 5 CCR 1002-37.22 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: January 2007 Rulemaking Hearing; Final Action February 12, 2007; Revisions effective July 1, 2007
- Section 5 CCR 1002-37.23 - STATEMENT OF BASIN SPECIFIC STATUTORY AUTHORITY AND PURPOSE MARCH 2007 RULEMAKING REGARDING AMMONIA STANDARDS
- Section 5 CCR 1002-37.24 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: DECEMBER 10, 2007 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; EFFECTIVE MARCH 1,2008
- Section 5 CCR 1002-37.25 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 2008 RULEMAKING; FINAL ACTION AUGUST 11, 2008; EFFECTIVE DATE JANUARY 1, 2009
- Section 5 CCR 1002-37.26 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE DECEMBER 2009 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; FINAL ACTION FEBRUARY 8, 2010; EFFECTIVE DATE JUNE 30, 2010
- Section 5 CCR 1002-37.27 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE: DECEMBER 13, 2010 RULEMAKING; FINAL ACTION JANUARY 10, 2011; EFFECTIVE DATE JUNE 30, 2011
- Section 5 CCR 1002-37.28 - STATEMENT OF BASiS SPECiFiC STATUTORY AUTHORiTY AND PURPOSE DECEMBER 13, 2010 RULEMAKiNG REGARDiNG TEiWPORARY MODiFiCATiONS; FiNAL ACTiON JANUARY 10, 2011; EFFECTiVE DATE JUNE 30, 2011
- Section 5 CCR 1002-37.29 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE JUNE 13, 2011 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; EFFECTIVE DATE JANUARY 1,2012
- Section 5 CCR 1002-37.30 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE DECEMBER 10, 2012 RULEMAKING; FINAL ACTION JANUARY 14, 2013 EFFECTIVE DATE JUNE 30, 2013
- Section 5 CCR 1002-37.31 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE APRIL 8, 2013 RULEMAKING; FINAL ACTION MAY 13, 2013 EFFECTIVE DATE SEPTEMBER 30, 2013
- Section 5 CCR 1002-37.32 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE DECEMBER 9, 2013 RULEMAKING; FINAL ACTION MARCH 11, 2014; EFFECTIVE DATE JUNE 30, 2014
- Section 5 CCR 1002-37.33 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE JUNE 9, 2014 RULEMAKING; FINAL ACTION AUGUST 11, 2014 EFFECTIVE DATE DECEMBER 31, 2014
- Section 5 CCR 1002-37.34 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 8, 2014 RULEMAKING; FINAL ACTION JANUARY 12, 2015; EFFECTIVE DATE JUNE 30, 2015
- Section 5 CCR 1002-37.35 - STATEMENT OF BASIS AND PURPOSE REGARDING THE ADOPTION OF NONSUBSTANTIVE CHANGES TO THE CLASSIFICATION AND NUMEIRC STANDARDS FOR LOWER COLORADO RIVER BASIN, JANUARY 11, 2016 RULEMAKING; EFFECTIVE DATE MARCH 1,2016
- Section 5 CCR 1002-37.36 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 14, 2015 RULEMAKING; FINAL ACTION JANUARY 11, 2016; EFFECTIVE DATE JUNE 30, 2016
- Section 5 CCR 1002-37.37 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 12, 2016 RULEMAKING; FINAL ACTION JANUARY 9, 2017; EFFECTIVE DATE JUNE 30, 2017
- Section 5 CCR 1002-37.38 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 11, 2017 RULEMAKING; FINAL ACTION JANUARY 8, 2018; EFFECTIVE DATE JUNE 30, 2018
- Section 5 CCR 1002-37.39 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 10, 2018 RULEMAKING; FINAL ACTION JANUARY 14, 2019; EFFECTIVE DATE JUNE 30, 2019
- Section 5 CCR 1002-37.40 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 10, 2019 RULEMAKING; FINAL ACTION AUGUST 12, 2019; EFFECTIVE DATE DECEMBER 31, 2019
- Section 5 CCR 1002-37.41 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 9, 2019 RULEMAKING; FINAL ACTION JANUARY 13, 2020; EFFECTIVE DATE JUNE 30, 2020
- Section 5 CCR 1002-37.42 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 9, 2019 RULEMAKING; FINAL ACTION JANUARY 13, 2020; EFFECTIVE DATE JUNE 30, 2020
- Section 5 CCR 1002-37.43 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 14, 2020 RULEMAKING; FINAL ACTION FEBRUARY 8, 2021; EFFECTIVE DATE JUNE 30, 2021
- Section 5 CCR 1002-37.44 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 14-15, 2021 RULEMAKING; FINAL ACTION AUGUSTS, 2021; EFFECTIVE DATE DECEMBER 31, 2021
- Section 5 CCR 1002-37.45 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 13-14, 2022 RULEMAKING; FINAL ACTION AUGUST 8, 2022; EFFECTIVE DATE SEPTEMBER 30, 2022
- Section 5 CCR 1002-37.47 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; OCTOBER 10, 2023 RULEMAKING; FINAL ACTION OCTOBER 10, 2023; EFFECTIVE DATE DECEMBER 31, 2023
- Appendix 1 - Stream Classifications and Water Quality Standards Tables
Current through Register Vol. 47, No. 5, March 10, 2024
Rules 37.5, 37.22
eff. 07/01/2007.
Rules 37.6 , 37.23 eff. 09/01/2007.
Rules 37.6 , 37.24 eff. 03/01/2008.
Rules 37.3, 37.5, 37.6 , 37.25
eff. 01/01/2009.
Rules 37.6 (Tables 1-15), 37.26 eff. 06/30/2010.
Rules 37.6 (Tables 1-15), 37.27, 37.28 eff. 06/30/2011.
Rules 37.6 (Tables pgs. 10, 11, 13-14), 37.29 eff. 01/01/2012.
Rules 37.6 (Table pg. 11), 37.30 eff. 06/30/2013.
Rules 37.6 , 37.6 (Tables pgs. 1-3, 6-7, 9-12, 14-15), 37.31 eff. 09/30/2013.
Rules 37.6, 37.32 , Lower Colorado River segments 4e, 13b eff.
06/30/2014.
Rules 37.5 -37.6 , 37.33 eff. 12/31/2014.
Rules 37.6, 37.34, Lower Colorado River segment 4e eff. 06/30/2015.
Rules 37.5, 37.6, 37.35, Appendix 37-1 eff. 03/01/2016.
Rule 37.36 eff. 06/30/2016.
Rules 37.37 , Appendix
37-1 eff. 06/30/2017.
Rules 37.6 c), 37.38, Appendix 37-1 eff.
06/30/2018.
Rule 37.39 , Appendix 37-1 eff. 06/30/2019.
Rules 37.2 , 37.3 , 37.5, 37.6 , 37.40, Appendix 37-1 eff.
12/31/2019.
Rules 37.6, 37.41 , 37.42, Appendix 37-1 eff.
06/30/2020.
Rules 37.43 , Appendix 37-1 eff. 06/30/2021.
Rules 37.5 -37.6 , 37.44, Appendix 37-1 eff. 12/31/2021.
Rules 37.45 , Appendix 37-1 eff.
09/30/2022.
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