Rule 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 Section 5 CCR 1002-38.1 - AUTHORITY Section 5 CCR 1002-38.2 - PURPOSE Section 5 CCR 1002-38.3 - INTRODUCTION Section 5 CCR 1002-38.4 - DEFINITIONS Section 5 CCR 1002-38.5 - BASIC STANDARDS Section 5 CCR 1002-38.6 - [Effective until 12/31/2024] TABLES Section 5 CCR 1002-38.6 - [Effective 12/31/2024] TABLES Section 5 CCR 1002-38.7 - COMMISSION'S DETERMINATION REGARDING STATE WATERS Section 5 CCR 1002-38.8 - 38.9 - [Effective until 12/31/2024] Reserved Section 5 CCR 1002-38.8 - 38.9 - [Effective 12/31/2024] RESERVED Section 5 CCR 1002-38.10 - STATEMENT OF BASIS AND PURPOSE Section 5 CCR 1002-38.11 - MEASURING DISSOLVED OXYGEN IN LAKES AND RESERVOIRS Section 5 CCR 1002-38.12 - STATEMENT OF BASIS AND PURPOSE Section 5 CCR 1002-38.13 - APPENDIX BASIS AND PURPOSE FOR "REGULATIONS GRANTING AND EXTENDING TEMPORARY MODIFICATIONS FOR RALSTON CREEK Section 5 CCR 1002-38.14 - STATEMENT OF BASIS AND PURPOSE REGARDING THE ADOPTION OF NON SUBSTANTIVE CORRECTIONS TO THE CLASSIFICATIONS AND NUMERIC STANDARDS FOR THE ARKANSAS, SAN JUAN AND DOLORES, RIO GRANDE AND SOUTH PLATTE RIVER BASINS Section 5 CCR 1002-38.15 - APPENDIX BASIS AND PURPOSE FOR "REGULATIONS FOR EXTENDING TEMPORARY MODIFICATIONS FOR RALSTON CREEK" Section 5 CCR 1002-38.16 - STATEMENT OF BASIS AND PURPOSE REGARDING THE ADOPTION OF MINOR CORRECTIONS AND CLARIFICATIONS FOR THE BASIC STANDARDS AND METHODOLOGIES AND CORRECTIONS TO THE NUMERIC STANDARDS FOR THE SAN JUAN AND DOLORES, GUNNISON, AND LOWER DOLORES, RIO GRANDE, AND THE SOUTH PLATTE RIVER BASINS Section 5 CCR 1002-38.17 - Basis and Purpose Section 5 CCR 1002-38.18 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE FOR THE PHOSPHORUS STANDARD FOR CHERRY CREEK RESERVOIR AND CHATFIELD RESERVOIR Section 5 CCR 1002-38.19 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE - SEGMENTS 11 AND 12, CACHE LA POUDRE RIVER Section 5 CCR 1002-38.20 - STATEMENT OF BASIS AND PURPOSE COAL CREEK, SEGMENT 7(b) Section 5 CCR 1002-38.21 - STATEMENT OF BASIS AND PURPOSE Section 5 CCR 1002-38.22 - STATEMENT OF STATUTORY AUTHORITY: Section 5 CCR 1002-38.23 - STATEMENT OF STATUTORY AUTHORITY: Section 5 CCR 1002-38.24 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE, SEGMENT 15, SOUTH PLATTE RIVER Section 5 CCR 1002-38.25 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; BOWLES LAKE: Section 5 CCR 1002-38.26 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; DECEMBER, 1987 HEARING ON MULTIPLE SEGMENTS: Section 5 CCR 1002-38.27 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; OCTOBER, 1988 HEARING ON MULTIPLE SEGMENTS: Section 5 CCR 1002-38.28 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE: (1989 Big Thompson segments 4 and 5 revisions) Section 5 CCR 1002-38.29 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; OCTOBER, 1988 HEARING - BRUSH CREEK AND FILTER GULCH Section 5 CCR 1002-38.30 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; FEBRUARY, 1989 HEARING ON MULTIPLE SEGMENTS: Section 5 CCR 1002-38.31 - FINDINGS REGARDING BASIS FOR TEMPORARY RULE ADOPTED JULY 11, 1989 Section 5 CCR 1002-38.32 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE (GREAT WESTERN RESERVOIR, STANDLEY LAKE AND TRIBUTARIES) Section 5 CCR 1002-38.33 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; MARCH, 1991 HEARING ON SEVERAL SEGMENTS: Section 5 CCR 1002-38.34 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; JANUARY, 1992 HEARING ON SEVERAL SEGMENTS: Section 5 CCR 1002-38.35 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; MAY 5, 1992 HEARING ON SEGMENTS 4c AND 4d OF BOULDER CREEK (COWDREY DRAINAGE) SOUTH PLATTE RIVER BASIN, 3.8.0 (5 CCR 1002-8) Section 5 CCR 1002-38.36 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; MAY 4, 1992 HEARING ON SEGMENT 1c OF BEAR CREEK: Section 5 CCR 1002-38.37 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; NOVEMBER 2, 1992: Section 5 CCR 1002-38.38 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; OCTOBER 5, 1992 HEARING REGARDING SEGMENTS 2, 3, 4, AND 5 OF BIG DRY CREEK Section 5 CCR 1002-38.39 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; MARCH 1, 1993 HEARING: Section 5 CCR 1002-38.40 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: AUGUST 2, 1993 RULEMAKING HEARING: Section 5 CCR 1002-38.41 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE, SEPTEMBER 7, 1993: Section 5 CCR 1002-38.42 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; FEBRUARY 8, 1994 HEARING ON SEGMENT 2 OF BIG DRY CREEK Section 5 CCR 1002-38.43 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; APRIL 4, 1994 HEARING: Section 5 CCR 1002-38.44 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE; OCTOBER 11, 1994 HEARING: Section 5 CCR 1002-38.45 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE: APRIL 10, 1995 HEARING (SEGMENTS 4 AND 5 OF BIG DRY CREEK) Section 5 CCR 1002-38.46 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE (1995 Silver hearing) Section 5 CCR 1002-38.47 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE (December, 1995 Rulemaking) Section 5 CCR 1002-38.48 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE (December, 1996 Rulemaking) Section 5 CCR 1002-38.49 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE (West Fork of Clear Creek and Woods Creek, Segments 5 and 7 of Clear Creek, July, 1996) Section 5 CCR 1002-38.50 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE (December 1996) Section 5 CCR 1002-38.51 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE Section 5 CCR 1002-38.52 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE (April, 1997 Multiple Segments Hearing) Section 5 CCR 1002-38.53 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JULY, 1997 RULEMAKING Section 5 CCR 1002-38.54 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; NOVEMBER, 1998 RULEMAKING Section 5 CCR 1002-38.55 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; May, 1999 RULEMAKING Section 5 CCR 1002-38.56 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; SEPTEMBER, 2000 RULEMAKING Section 5 CCR 1002-38.57 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; NOVEMBER, 2000 RULEMAKING Section 5 CCR 1002-38.58 - FINDINGS IN SUPPORT OF ADOPTION OF EMERGENCY REVISIONS TO REGULATION NO. 38, CLASSIFICATIONS AND NUMERIC STANDARDS SOUTH PLATTE RIVER BASIN, LARAMIE RIVER BASIN, REPUBLICAN RIVER BASIN, SMOKY HILL RIVER BASIN [5 CCR 1002-38] Section 5 CCR 1002-38.59 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; SEPTEMBER, 2001, RULEMAKING Section 5 CCR 1002-38.60 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE, DECEMBER, 2001 RULEMAKING Section 5 CCR 1002-38.61 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JULY, 2004 RULEMAKING Section 5 CCR 1002-38.62 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 12, 2005 RULEMAKING, EFFECTIVE DATE OF MARCH 2, 2006 Section 5 CCR 1002-38.63 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; AUGUST 14, 2006 RULEMAKING, EFFECTIVE DATE OF SEPTEMBER 30, 2006 Section 5 CCR 1002-38.64 - 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 1002-38.65 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE MARCH 2007 RULEMAKING REGARDING AMMONIA STANDARDS Section 5 CCR 1002-38.66 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE: JULY 9, 2007 RULEMAKING FOR CACHE LA POUDRE SEGMENTS 11 AND 12; EFFECTIVE SEPTEMBER 30, 2007 Section 5 CCR 1002-38.67 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE: JULY 9, 2007 RULEMAKING FOR BOULDER CREEK SEGMENT 9; EFFECTIVE SEPTEMBER 30, 2007 Section 5 CCR 1002-38.68 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: DECEMBER 10, 2007 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; EFFECTIVE MARCH 1, 2008 Section 5 CCR 1002-38.69 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: NOVEMBER 10, 2008 RULEMAKING FOR UPPER SOUTH PLATTE SEGMENT 6b; EFFECTIVE MARCH 30, 2009 Section 5 CCR 1002-38.70 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE: DECEMBER 2008 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; EFFECTIVE MARCH 30, 2009 Section 5 CCR 1002-38.71 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: JANUARY 12, 2009 RULEMAKING; EFFECTIVE MARCH 30, 2009 Section 5 CCR 1002-38.72 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: MARCH 10, 2009 RULEMAKING REGARDING CHERRY CREEK RESERVOIR; FINAL ACTION AUGUST 10, 2009; EFFECTIVE DATE JANUARY 1, 2010 Section 5 CCR 1002-38.73 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE: MAY 11, 2009 RULEMAKING; FINAL ACTION AUGUST 10, 2009; EFFECTIVE JANUARY 1, 2010 Section 5 CCR 1002-38.74 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 8, 2009 RULEMAKING, FINAL ACTION AUGUST 10, 2009, EFFECTIVE JANUARY 1, 2010 Section 5 CCR 1002-38.75 - 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 1002-38.76 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE: APRIL12, 2010 RULEMAKING; FINAL ACTION APRIL 12, 2010; EFFECTIVE DATE JUNE 30, 2010 Section 5 CCR 1002-38.77 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE JULY 2010 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; EFFECTIVE DATE NOVEMBER 30, 2010 Section 5 CCR 1002-38.78 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE DECEMBER 2010 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; FINAL ACTION JANUARY 10, 2011; EFFECTIVE DATE JUNE 30, 2011 Section 5 CCR 1002-38.79 - FINDINGS IN SUPPORT OF ADOPTION OF EMERGENCY REVISIONS TO REGULATION NO. 38, CLASSIFICATIONS AND NUMERIC STANDARDS FOR SOUTH PLATTE RIVER BASIN, LARAMIE RIVER BASIN REPUBLICAN RIVER BASIN, SMOKY HILL RIVER BASIN (5 CCR 1002-38) Section 5 CCR 1002-38.80 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE JUNE 13, 2011 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; EFFECTIVE DATE JANUARY 1, 2012 Section 5 CCR 1002-38.81 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE AUGUST 13, 2012 RULEMAKING; EFFECTIVE DATE DECEMBER 31, 2012 Section 5 CCR 1002-38.82 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE: OCTOBER 9, 2012 RULEMAKING FOR BOULDER CREEK SEGMENT 9; EFFECTIVE MARCH 1, 2013 Section 5 CCR 1002-38.83 - 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 1002-38.84 - FINDINGS IN SUPPORT OF ADOPTION OF EMERGENCY REVISIONS TO REGULATION #38, CLASSIFICATIONS AND NUMERIC STANDARDS FOR SOUTH PLATTE RIVER BASIN, LARAMIE RIVER BASIN REPUBLICAN RIVER BASIN, SMOKY HILL RIVER BASIN (5 CCR 1002-38) Section 5 CCR 1002-38.85 - 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 1002-38.86 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE: APRIL 8, 2013 RULEMAKING FOR SAND CREEK, UPPER SOUTH PLATTE SEGMENT 16a; FINAL ACTION MAY 13, 2013; EFFECTIVE SEPTEMBER 30, 2013 Section 5 CCR 1002-38.87 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE MARCH 11, 2014 RULEMAKING; EFFECTIVE DATE APRIL 30, 2014 Section 5 CCR 1002-38.88 - 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 1002-38.89 - 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 1002-38.90 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 9, 2015 RULEMAKING; FINAL ACTION AUGUST, 2014; EFFECTIVE DATE DECEMBER 31, 2015 Section 5 CCR 1002-38.91 - STATEMENT OF BASIS AND PURPOSE REGARDING THE ADOPTION OF NONSUBSTANTIVE CHANGES TO THE CLASSIFICATION AND NUMEIRC STANDARDS FOR SOUTH PLATTE RIVER BASIN, LARAMIE RIVER BASIN, REPUBLICAN RIVER BASIN, SMOKY HILL RIVER BASIN, JANUARY 11, 2016 RULEMAKING; EFFECTIVE DATE MARCH 1, 2016 Section 5 CCR 1002-38.92 - 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 1002-38.93 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE OCTOBER 11, 2016 RULEMAKING; FINAL ACTION NOVEMBER 14, 2016; EFFECTIVE DATE MARCH 1, 2017 Section 5 CCR 1002-38.94 - 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 1002-38.95 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE APRIL 10, 2017 RULEMAKING; FINAL ACTION APRIL 10, 2017; EFFECTIVE DATE JUNE 30, 2017 Section 5 CCR 1002-38.96 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 11, 2017 RULEMAKING; FINAL ACTION DECEMBER 11, 2017; EFFECTIVE DATE JANUARY 31, 2018 Section 5 CCR 1002-38.97 - 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 1002-38.98 - 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 1002-38.99 - 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 1002-38.100 - 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 1002-38.101 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 8, 2020 RULEMAKING; FINAL ACTION AUGUST 10, 2020; EFFECTIVE DATE DECEMBER 31, 2020 Section 5 CCR 1002-38.102 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; DECEMBER 14, 2020 RULEMAKING; FINAL ACTION DECEMBER 14, 2020; EFFECTIVE DATE FEBRUARY 14, 2021 Section 5 CCR 1002-38.103 - 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 1002-38.104 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 14-15, 2021 RULEMAKING; FINAL ACTION AUGUST 9, 2021; EFFECTIVE DATE DECEMBER 31, 2021 Section 5 CCR 1002-38.105 - 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 1002-38.105 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; SEPTEMBER 12-13, 2022 RULEMAKING FOR REVIEW AND MODIFICATION OF THE ANTIDEGRADATION DESIGNATIONS FOR SEGMENTS COSPUS15, COSPMS01A, AND COSPCL15; FINAL ACTION OCTOBER 11, 2022 Section 5 CCR 1002-38.107 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; OCTOBER 10, 2023 RULEMAKING; FINAL ACTION OCTOBER 10, 2023; EFFECTIVE DATE DECEMBER 31, 2023 Section 5 CCR 1002-38.108 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; FEBRUARY 12, 2024 RULEMAKING; FINAL ACTION FEBRUARY 12, 2024; EFFECTIVE DATE APRIL 30, 2024 Section 5 CCR 1002-38.109 - [Effective 12/31/2024] STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE; JUNE 11, 2024 RULEMAKING; FINAL ACTION AUGUST 21, 2024; EFFECTIVE DATE DECEMBER 31, 2024 Appendix 5 CCR 1002-38-1 - [Effective until 12/31/2024] Stream Classifications and Water Quality Standards Tables Appendix 5 CCR 1002-38-1 - [Effective 12/31/2024] Stream Classifications and Water Quality Standards Tables