Stockton Wash Flood Retarding Structure (FRS) Rehabilitation Project

  1. Project Description
  2. Funding
  3. Public Meetings
  4. Project Documents
  5. Questions/Comments

Stockton Wash FRS is an earthfill embankment dam located on Stockton Wash about 3 miles southeast of the City of Safford in Graham County, Arizona. Constructed in 1964, the FRS is part of the Frye Creek-Stockton Wash system which provides flood protection for the downstream community. Graham County (Local Sponsor) operates and maintains the FRS and is mandated by state and federal laws to comply with flood control and dam safety regulations.

The purpose of the Stockton Wash FRS is to provide flood and erosion control benefits for downstream developments (agricultural, commercial, and urban/residential areas). The FRS was designed to control runoff from the 100-year storm event. The FRS was determined to not meet current U.S. Department of Agriculture, Natural Resources Conservation Service (NRCS) and Arizona Department of Water Resources (ADWR) dam safety and performance standards. Rehabilitation of the dam may be necessary because this watershed structure has served its 50-year service life, has not been updated to meet current dam safety standards, and yet flood protection continues to be needed for the downstream community.

NRCS has contracted with GENTERRA Consultants, Inc. to prepare a Supplemental Watershed Plan and Environmental Assessment (Plan-EA) to evaluate various alternatives, including rehabilitation and decommissioning among others, and recommend the best alternative for the structure that would comply with current safety standards while also continuing to provide the needed flood protection.

SWFRS Photo Downstream Face of Dam Opens in new window

SWFRS Project Location Map Opens in new window

SWFRS Project Features Map Opens in new window