Environmental Assessment Cancelled

Big Tujunga Dam and Maple Canyon Sediment Placement Site

Angeles National Forest Los Angeles, California Angeles National Forest All Units

LA County proposes to remove up to 4.4mm cubic yards of sediment from Big Tujunga Reservoir, and place it in the adjacent Maple Canyon, a designated disposal site. Big Tujunga Reservoir will be dewatered through dam valves and mechanical pumping.

Location

Big Tujunga Dam and Maple Canyon are approximately 9 miles up Big Tujunga Canyon Road from Sunland, and 6 miles north of La Canada.

Project timeline

1
Scoping Start
05/11/2012
2
Comment Period
01/2017 (Estimated)
3
Objection Period Start
03/2017 (Estimated)
4
Decision
07/2017 (Estimated)
5
Implementation
08/2017 (Estimated)

NEPA / regulatory detail

Special AuthorityNot Applicable / Other
Notice and Comment Regulation218 (2013) Non-HFRA
Project ActivitySpecial Use Authorizations
ForestsAngeles National Forest
DistrictsLos Angeles River
Legal Land DescriptionNot Applicable
Special use management