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Approved Jurisdictional Determinations

2017 Jurisdicional Determinations

Approved Waters of the U.S.

Permit Number

County

Description

Date

NWW-2017-00599 Boise Wetland Restoration - Adjacent 04/06/2018
NWW-2017-00599 Boise Wetland Restoration - Abutting 04/06/2018

 

 

Dry Land Approved Jurisdictional Determination

Permit Number

County

Description

Date

NWW-2016-00606 Jefferson Water System Improvement 03/16/2018
NWW-2018-00050 Canyon Bank Stabilization 01/22/2018
NWW-2018-00023 Lemhi Gravel Pit Expansion 01/08/2018

 

Definition of Jurisdictional Waters

Waters of the U.S. within the jurisdiction of the U.S. Army Corps of Engineers include:

Traditional navigable waterways
• All wetlands adjacent to traditional navigable waters
Non-navigable waters that are relatively permanent
Special aquatic sites, i.e. wetlands that directly abut such waterways and their tributaries
Tributaries that flow intermittently, receive water from natural streams and lakes, and divert water to streams and creeks (Headwaters, Inc. v. Talent Irrigation District, 243 F.3d 526 (9th Cir. 2001))
Non-relatively permanent waters, if there is a significant nexus to traditional navigable waters

A visual representation of the Corps' Jurisdication (fresh water body):

 Representation of Corps Jurisdiction (Fresh Waterbody)