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Indiana Department of Environmental Management

Compliance and Technical Assistance Program


The Compliance Technical Assistance Program (CTAP) is your one-stop shop for environmental regulatory compliance needs. Staff with experience in all environmental programs are ready to provide technical and confidential compliance assistance on a wide array of environmental topics.

Upcoming Compliance Due Dates

  • October 15:
  • October 20:
    • Hazardous Waste Disposal Fee (State Form 46244, available on the IDEM Forms page) due for the prior quarter’s activity for disposal of hazardous waste onsite through underground injection or by other methods.
  • October 28:
    • Quarterly Non-Compliance Report due for delegated water Pretreatment Programs (unless otherwise permitted to submit report in November).
  • October 30:
    • Air Quarterly Deviation and Compliance Monitoring Report due for July through September. Check your permit to determine if you are on a quarterly or semi-annual reporting schedule.
    • Quarterly Air Permit reports (e.g., usage reports) due for July through September.
  • October 31:
  • November 15:
  • November 28:
    • Quarterly Non-Compliance Report due for those delegated water Pretreatment Programs allowed to submit in November (otherwise due in October).

Additional Compliance Due Dates

Featured Topics

IDEM Trainings and Certifications:

IDEM offers information on a variety of trainings and certifications to assist businesses in sustaining compliance, including: