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Columbia Basin Fish and Wildlife Program Columbia Basin Fish and Wildlife Program
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Metric 1729: Dike height reduction - Published
Metric Type ID:
1729
Metric Name:
Dike height reduction
Metric Unit Type:
YesNoList
Is Numeric:
No
Precision:

Metric Guidance ID Description  Used on Work Elements
398 Select "yes" or "no" to indicate whether a dike elevation change was applied to the project area. An elevation change lowers the overall height of the dike to allow for over-topping during higher flows to help mitigate flooding effects. 180

1 Work Element Associated With Metric 1729: Dike height reduction

Work Element Work Element Association Status Description FY Start FY End Guidance ID Guidance Required / Optional Is Activated By Default Included in PI Supports PCSRF/PNSHP (Katz) PNSHP Metric Code PNSHP Metric
180. Enhance Floodplain/Remove, Modify, Breach Dike Active This work element is intended for the full or partial removal, breaching, lowering, and/or relocation/set-back of artificial levees or dikes adjacent to streams and estuaries for the purpose of floodplain, riparian habitat improvements. This WE may be the main emphasis of a stream habitat restoration project, or it may be a component of a broader set of techniques implemented in concert which collectively define a project.

When this WE is used, the contract must also include 175. Produce Design . If the work includes improvement of fish passage into upstream reaches of the existing channel, then use 84. Remove/Install Diversion (Expired) , 85. Remove/Breach Fish Passage Barrier , or 184. Install Fish Passage Structure . If work is to create, restore, or enhance wetland function then use 181. Create, Restore, and/or Enhance Wetland .
2011 398 Select "yes" or "no" to indicate whether a dike elevation change was applied to the project area. An elevation change lowers the overall height of the dike to allow for over-topping during higher flows to help mitigate flooding effects. Required Yes Yes No
ITS Action Category:
Floodplain/Wetland Improvement
ITS Metric:
Dike removal or setback
Rationale: