Decision Memo Completed

Bureau of Reclamation Salt River Dams Seismic Hazard Study

Tonto National Forest Maricopa, Arizona Tonto National Forest All Units

Investigate active and potentially active faults in central Arizona for dams along the Salt River including Horse Mesa and Mormon Flat dams by trenching in 6 locations near Hwy 87 in the sugarloaf area. This project is related to Dam safety.

Location

Approximately 20 miles north of Apache Junction, AZ on Hwy 87.

Project timeline

1
Scoping Start
03/27/2023
2
Decision
04/2023 (Estimated)
3
Implementation
04/2023 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (8), 36 Cfr 220.6(E)(8)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivitySpecial Use Authorizations
Bureau of Reclamation Salt River Dams Seismic Hazard StudyDecision Signed Date: 04/07/2023
ForestsTonto National Forest
DistrictsMesa Ranger District
Legal Land DescriptionNot Applicable
Special use management