DEQ seeks comment on draft revisions to Idaho Risk Evaluation Manual for Petroleum Releases
Accepting comments from September 1, 2026, through November 6, 2026.
The Idaho Department of Environmental Quality (DEQ) is seeking public comment on draft revisions to the Idaho Risk Evaluation Manual for Petroleum Releases. The manual provides guidance on evaluating whether a petroleum release investigation or cleanup is needed and, if so, its scope and nature.
The Idaho Risk Evaluation Manual for Petroleum Releases was revised in 2025 with updated guidance on EPA risk calculators. Proposed revisions in 2026 are intended to clarify concepts and provide flexibility.
The draft revisions are available for public review under the related documents below and at the DEQ State Office (1410 N Hilton Street, Boise, ID 83706.) Public comments on the draft revisions to the Idaho Risk Evaluation Manual for Petroleum Releases will be accepted through November 6, 2026, at 5 p.m. Mountain Time. Submit comments electronically using the form below or by mail or email to:
Kristi Lowder UST/LUST Program ManagerIdaho Department of Environmental Quality 1410 N. Hilton, Boise, ID 83706 Kristi.Lowder@deq.idaho.gov
Accessibility Services:The Idaho Department of Environmental Quality will provide reasonable language access services and/or disability services for documents at no charge. To request an accommodation under Title VI of the Civil Rights Act of 1964 or Americans with Disabilities Act, contact DEQ’s nondiscrimination coordinator at (208) 373-0271 or accessibility@deq.idaho.gov. Para obtener información en español, visite https://www.deq.idaho.gov/about-us/accessibility/.
Official Government Website
DEQ seeks comment on draft revisions to Idaho Risk Evaluation Manual for Petroleum Releases
Accepting comments from September 1, 2026, through November 6, 2026.
The Idaho Department of Environmental Quality (DEQ) is seeking public comment on draft revisions to the Idaho Risk Evaluation Manual for Petroleum Releases. The manual provides guidance on evaluating whether a petroleum release investigation or cleanup is needed and, if so, its scope and nature.
The Idaho Risk Evaluation Manual for Petroleum Releases was revised in 2025 with updated guidance on EPA risk calculators. Proposed revisions in 2026 are intended to clarify concepts and provide flexibility.
The draft revisions are available for public review under the related documents below and at the DEQ State Office (1410 N Hilton Street, Boise, ID 83706.) Public comments on the draft revisions to the Idaho Risk Evaluation Manual for Petroleum Releases will be accepted through November 6, 2026, at 5 p.m. Mountain Time. Submit comments electronically using the form below or by mail or email to:
Kristi Lowder
UST/LUST Program ManagerIdaho Department of Environmental Quality
1410 N. Hilton, Boise, ID 83706
Kristi.Lowder@deq.idaho.gov
Related Documents
Draft Manual with Revisions
Accessibility Services: The Idaho Department of Environmental Quality will provide reasonable language access services and/or disability services for documents at no charge. To request an accommodation under Title VI of the Civil Rights Act of 1964 or Americans with Disabilities Act, contact DEQ’s nondiscrimination coordinator at (208) 373-0271 or accessibility@deq.idaho.gov. Para obtener información en español, visite https://www.deq.idaho.gov/about-us/accessibility/.
Public Comment Form