Department 1000 - Department of Public Health and Environment
- Division 1001 - Air Quality Control Commission (§§ 1001-1-I — 1001-33-B-I)
- Division 1002 - Water Quality Control Commission (1002 Series) (§§ 1002-11.1 — 1002-101.11)
- Division 1003 - Water And Wastewater Facility Operators Certification Board (1003 Series) (§§ 1003-1 — 1003-8)
- Division 1004 - Executive Director of Department of Public Health and Environment (§ 1004-1)
- Division 1005 - Division of Disease Dontrol and Public Health Response (§§ 1005-1.1 — 1005-5-14)
- Division 1006 - Center for Health and Environmental Data (1006, 1009 Series) (§§ 1006-1 — 1009-6-5)
- Division 1007 - Hazardous Materials and Waste Management Division (§§ 1007-1 — 1007-7)
- Division 1009 - Disease Control and Public Health Response Division (§§ 1009-1 — 1009-12-5)
- Division 1010 - Division of Environmental Health and Sustainability (§§ 1010-2 — 1010-24.10)
- Division 1011 - Health Facilities and Emergency Medical Services Division (1011, 1015 Series) (§§ 1011-1 — 1015-4-405)
- Division 1012 - Reserved (Formerly Local Health Services Unit) (§ 1012-1)
- Division 1013 - Office of Medical Care Services (§ 1013-1)
- Division 1014 - Colorado State Board of Health (§§ 1014-1-1 — 1014-10)
- Division 1015 - Prevention Services Division (1009, 1015, 1016 Series) (§§ 1009-8 — 1015-11)
- Division 1016 - Prevention Services Division (§§ 1016-1 — 1016-3-1.5)
- Division 1017 - Air Quality Enterprise Board (§§ 1017-1.1 — 1017-1-2.1)
- Division 1018 - Clean Fleet Enterprise Board (§§ 1018-1.1 — 1018-1-2.1)