Public drinking water and wastewater systems can now apply for DEQ funds to assist with facility planning projects and building or repairing infrastructure. Letters of Interest (LOIs) are due January 8, 2027. Learn more Close

Upcoming Events

Twin Falls Regional Office

650 Addison Avenue West, Suite 110
Twin Falls, Idaho Get Directions

Events at this venue

There were no results found.

ver: 4.1.9 | last updated: October 17, 2025 at 10:04 am

Information For…

About DEQ

Contact Us

Advisory Groups and Committees

Funding Opportunites

Air Quality Index

Improving Air Quality

Smoke and Burning

Resources

Drinking Water

Groundwater

Surface Water

Wastewater

Engineering

Resources

Hazardous Waste

Mining in Idaho

Sampling, Investigation, Cleanup

Solid Waste

Storage Tanks

Resources

Permitting and Oversight

Water Quality Permits and Certifications

Rules and Guidance

Upcoming Events

Twin Falls Regional Office

Events at this venue