Water Resource Protection Overview
IDWR is charged with monitoring certain kinds of water-related construction in Idaho. If you plan to do any construction, alteration, or other development work in areas involving water, there are various permitting requirements from IDWR (and other agencies) of which you need to be aware. We work to ensure your safety and the beauty of our surroundings.
Dam Safety Program
Learn about the classifications of Idaho’s dams or find forms and information for the construction of a dam or mine tailings impoundment structure.
Floodplain Management
Find floodplain information, read about the management of the National Flood Insurance Program, and view digital flood hazard maps.
View boundary maps of Idaho’s flood control districts which provide control of rivers, streams, their tributaries, and related structures within the district boundaries in order to protect life and property from flooding.
Lake Management
Find information regarding the Priest Lake Outlet Dam which is owned by IDWR and operated by a contractor on behalf of IDWR.
Recreational Dredge Mining - Small Scale Mining Permits
Many people enjoy the challenge of searching for gold in Idaho’s streams and rivers by means of small scale mining. The alteration of stream channels by using small scale mining equipment in a stream is regulated in Idaho by the Stream Channel Protection Act. Small scale mining equipment can be any implement that is used to dig, scrape, dredge, or otherwise move stream bed materials from below the mean high watermark in search of minerals.
Any work being done within the beds and banks of a continuously flowing stream must be approved in advance by IDWR. Look here for the applications and permits you need.
Stream Channel Protection Program
STREAM CHANNEL PROTECTION PROGRAM
Any work being done within the beds and banks of a continuously flowing stream must be approved in advance by IDWR. Look here for the applications and permits you need.
Groundwater Protection & Management
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