Water Resources

Thumbnail image of Hydrogeologic Characterization Well HRES-4: Results of Long-Term Aquifer Test memo coversheet

This technical memorandum was prepared to summarize the results of a long-term aquifer test conducted at Resolution Project hydrologic characterization well HRES-4. Well HRES-4 is completed in the Apache Leap Tuff aquifer near Oak Flat, in the upper Queen Creek drainage basin of eastern Pinal County, Arizona.

Thumbnail image of Phase I Hydrogeologic Field Investigations, Near West Tailings Site, Pinal County, Arizona tech memo cover

The purpose of the Phase I assessment was to conduct non-invasive field investigations to supplement information obtained previously from published data and to plan Phase III investigations involving subsurface exploration drilling and hydrologic testing.

Thumbnail image of Phase II Hydrogeologic Field Investigations memo cover

This tech memo has been prepared to summarize results of the Phase II field investigations of the Near West site, conducted in support of RCM's ongoing prefeasibility studies for storage of RCM mine tailings. The purpose of Phase II investigations was to conduct electrical resistivity surveys to assess the potential occurrence of shallow groundwater at the Near West site.

Thumbnail image of Queen Creek Corridor Survey report cover with photography of landscape

An investigation of hydrogeologic conditions for the Superior Basin has been completed by Montgomery. The chief objective of the survey was to evaluate the cause of recent water level declines reported for some wells located within and adjacent to the Queen Creek corridor through the Superior Basin, as well as observed declines in discharge from Whitlow Ranch Dam.

Thumbnail image of Wetland and Floodplain Analysis report cover

Wetland and floodplain analysis of a 2,422-acre area of federal land being proposed for exchange for more than 5,000 acres of RCM privately owned conservation parcels.

Thumbnail image of Jurisdictional Waters Determination for Near West report cover

An evaluation of an approximately 14,273-acre area for the presence of potential waters of the U.S.

Thumbnail image of Spill Prevention, Control, and Countermeasure Plan report cover

This plan describes the procedures followed by RCM for the WPS activities to prevent, control, and mitigate releases of oil and petroleum products to the environment at its RCM WPS located near the Town of Superior, in Pinal County, Arizona.

Thumbnail image of Spill Prevention, Control, and Countermeasure Plan report cover

This plan describes the procedures followed by RCM for the EPS activities to prevent, control, and mitigate releases of oil and petroleum products to the environment at its RCM EPS located near the Town of Superior, in Pinal County, Arizona.

Thumbnail image of Surface Water Baseline Report report cover

The goals of the baseline surface water monitoring program are to: a) Refine understanding of surface water  occurrence, quantity, and quality within the study are b) Develop a baseline data set against which future potential impacts from mining may be measured, and c) Support development of an EIS.

Pages

Media Point of Contact

Amanda Oliver
amanda.oliver@usda.gov

Apache Leap Special Management Area
Apache Leap SMA website