DEQ's Mission
To protect human health
and preserve the quality of Idaho's air, land, and water
for use and enjoyment today and in the future.
DEQ is a state department created by the Idaho Environmental Protection and Health Act to ensure clean air, water, and land in the state and protect Idaho citizens from the adverse health impacts of pollution.
As a regulatory agency, DEQ enforces various state environmental regulations and administers a number of federal environmental protection laws including the Clean Air Act, the Clean Water Act, and the Resource Conservation and Recovery Act.
The agency is committed to working in partnership with local communities, businesses, and citizens to identify and implement cost-effective environmental solutions.
What's New at DEQ?

Recently updated pages on DEQ's website:
- Cow Creek Subbasin
- Public Comment Opportunity - Draft Cow Creek Temperature TMDLs Addendum
- News Release - Request for Comment on Proposed Plan to Lower Temperature of Cow Creek in Palouse River Subbasin
- Lake Walcott Watershed Advisory Group (WAG)
- Daily Crop Residue Burning Decision Reports
- Public Wastewater System Planning Grants
- Lower Boise Watershed Council TAC Meeting - 05/23/13
- Lower Boise River Watershed Advisory Group (WAG)
- Public Comment Opportunities
- Public Comment Opportunity - 401 Certification - Unnamed Tributary to Williams Creek - Ron Ruff

