Code of Colorado Regulations
1000 - Department of Public Health and Environment
1003 - Water And Wastewater Facility Operators Certification Board (1003 Series)
5 CCR 1003-2 - REGULATION NO. 100 - WATER AND WASTEWATER FACILITY OPERATORS CERTIFICATION REQUIREMENTS

Rules 100.7, 100.8, 100.9, 100.12, 100.13, 100.14, 100.21, 100.22, 100.44 eff. 09/30/2007.
Rules 100.2, 100.6, 100.45 eff. 06/30/2009.
Rules 100.6(a)-(d), 100.13, 100.46 eff. 11/30/2009.
Rules 100.9.6, 100.9.8, 100.11.1, 100.11.3, 100.13.8, 100.22, 100.47 eff. 02/03/2010.
Rules 100.9, 100.48 eff. 01/30/2012.
Rules 100.1-100.21, 100.49 eff. 06/30/2012.
Rules 100.1.1, 100.2, 100.3.1, 100.4-100.8.1, 100.9, 100.10.7, 100.11.6, 100.12.1(b)(i), 100.13, 100.14-100.16, 100.18, 100.19.2, 100.20-100.21, 100.50 eff. 10/30/2014.
Rules 100.2, 100.10, 100.13, 100.15.2-100.15.3, 100.16.5, 100.18.1-100.18.4, 100.51 eff. 08/30/2015.
Rules 100.15.3, 100.20.1(j), 100.52 eff. 01/30/2016.
Entire rule, 100.53 eff. 01/30/2017.
Rules 100.9.7, 100.54 eff. 08/31/2017.
Entire rule, 100.55-100.57 eff. 03/01/2019.
Rules 100.13.2(k), 100.14.1, 100.58 eff. 01/14/2020.
Rules 100.2(8),(10), 100.59 eff. 11/30/2020.
Rules 100.3.2(n), 100.14.5(d), 100.15.3, 100.17.1(c)(ii), 100.60 eff. 03/31/2021.
Rules 100.4.2, 100.5.2, 100.7.2, 100.8.2, 100.9.2, 100.10.8, 100.61 eff. 05/30/2021.
Rules 100.14.1, 100.62 eff. 11/30/2021.