BarrierType

Coded Values

Values

Description

cf

Chute/CascadeFalls

Chute/Cascade Falls – gradient < 75%, unknown impediment to upstream migration by anadromous species

cfc

Chute/CascadeFalls - complete

Chute/Cascade Falls – gradient < 75%, complete barrier – no upstream migration by any anadromous species

cfi

Chute/CascadeFalls - incomplete

Chute/Cascade Falls – gradient < 75%, incomplete barrier – smiddles pink and chum salmon while passes coho and steelhead

dam

Artificial Structure

Artificial structure that smiddles upstream migration by anadromous species

fp

Fish-pass

Artificial structure that permits upstream migration by anadromous species

vf

Vertical Falls

Vertical Falls – Gradient > 75%, unknown impediment to upstream migration by anadromous species

vfc

Vertical Falls - complete

Vertical Falls – Gradient > 75%, complete barrier – no upstream migration by any anadromous species

vfi

Vertical Falls - incomplete

Vertical Falls – Gradient > 75%, incomplete barrier – smiddles pink and chum salmon while passes coho and steelhead

ukn

Unknown

Unknown barrier type or impediment to upstream migration by anadromous species