News

Iowa 2024 Environmental Compliance Calendar

December 27, 2023

Reporting Requirements(1)

Click here to download the PDF

Stormwater – NOI Submittal February 28
EPCRA – Tier II Reports (submit on E-Plan) March 1
Biennial RCRA Hazardous Waste Reports (LQG) (even years) March 1
Title V Air Permit Annual Certification of Compliance/Semi-Annual Monitoring Report March 31
Title V Air Permit Annual Emissions Inventories March 31
Greenhouse Gas Reporting (submit at cdx.epa.gov) March 31
Annual Hazardous Waste Report/Fees April 15
Minor Source Emission Inventory (MSEIQ) (2) May 15
EPCRA – TRI Form R/A (submit at cdx.epa.gov) July 1
NPDES Annual Fee Payment August 30
Air Permit – Semi-Annual Monitoring Report (Title V) Sept. 30

(1) Facility requirements should be verified to confirm due dates.
(2) Every 3 years. MSEIQ for emission year 2023 is due in 2024 for Western IA and portable plants (IDNR Field Offices 3 and 4).

Additional Environmental Requirements
Stormwater: General Permits (Nos. 1, 2, and 3) are effective 3/1/23 and expire 2/29/28: https://programs.iowadnr.gov/stormwater/pages/eAppIntro.aspx. Conduct monitoring and training as required and at least annually.

Hazardous Waste: Small and large quantity generators and anyone who treats, stores, disposes of or transports hazardous waste in Iowa must file a hazardous waste form and pay the appropriate fee to the IDNR by April 15.

Wastewater (NPDES/SDS): Discharge reports are required to be submitted at regular intervals, per permit requirements. Those required to submit DMR forms must do so within 30 days of sampling.

SPCC Plan: SPCC Plans must be updated every five years or whenever there is a change in oil storage or spill potential. Conduct and document routine inspections and annual training.

Air Permits/Emission Inventories: Individual permits may have additional requirements. Submit Title V Annual Emissions Inventories and MSEIQs electronically on SLEIS.  Submit all construction permit applications; Title V operating permit applications & modifications; notifications of start of construction and start of operation electronically on Iowa EASYAir.

EPCRA TRI: Begin collecting data for RY2024 for reporting over 100 pounds of 189 specific PFAS chemicals (there is no de minimis exemption). See attached link for additional information:  https://www.epa.gov/toxics-release-inventory-tri-program/basics-tri-reporting

Contact Us

Christian New, P.E.

(licensed in NE, IA, SD, and ND)

Senior Environmental Engineer
(531) 571 7105
Christian.New@terracon.com

For more information, or to contact local Terracon professionals, please click here.

Find an office location

More than 175 offices from coast to coast.