Governing Law and Regulations
Colorado Department of Public Health and Environment (CDPHE) Office of Environment
Colorado Department of Labor and Employment (DLE) Division of Oil and Public Safety (OPS)
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Colorado generally follows federal leak detection rules for air emissions, hazardous and solid waste facilities, concentrated animal feeding operations (CAFOs), and underground storage tanks (USTs), with additional requirements for aboveground storage tanks (ASTs). For more information, see the national section LEAK DETECTION.
Colorado follows federal requirements for CAFOs that include periodic inspections for leaks from equipment used for land application of manure, litter, or process wastewater. See the national section AG WASTE for additional guidance.
Colorado has developed its own leak detection requirements for ASTs that include monthly inspections and release notification requirements. See the state section ABOVEGROUND STORAGE TANKS for additional guidance.
The state generally follows the federal rules for USTs. UST owners and operators must provide a method or combination of methods of release detection from any portion of the tank and connected underground piping that contains regulated substances. See the national ...