Hazardous Materials and Waste Management Division records review

Search HMWMD records online

Records containing confidential information or that are exempt from public release under open records laws may not be displayed. If there is a specific record you believe is missing from a search result, please send a request to cdphe_cora_hmwmd@state.co.us and provide the document type you are seeking.
Each environmental division maintains separate records:

Submit HMWMD records review request

Types of records

HMWMD records include solid waste, hazardous waste, radiation management, X-ray, and environmental cleanup.

Reviewing files

  • We'll respond to all requests within three business days.
  • You must have an appointment to review files. Hours available are Monday through Friday, 9:00 a.m. to 12:00 p.m. and 1:00 p.m. to 4:00 p.m. Onsite file reviews may be reduced or eliminated due to COVID-19 restrictions.
  • Large scanning requests will be performed by the state’s contracted vendor. Fees will apply.
  • Per department policy, some requests will be subject to fees.


1-888-569-1831, ext. 3331 (outside the 303/720 area codes)