Documents

This list contains assessment units that were assessed as impaired (Category 5) by ADEQ or EPA during the current and previous assessment listing cycles.

In 2016–2017, Arizona State University conducted a study to measure the economic impact of OHV recreation, by retained and out of state visitors, on the State of Arizona.

This memorandum has been prepared to document hydrologic analyses completed for the DEIS alternatives.

COVER ONLY

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.

The proposed project would not result in significant habitat alteration, effects outside the project area, cumulative effects on listed species or habitat, or cumulative effects on sensitive species or habitat.

Guidance for Federal departments and agencies on establishing, implementing, and monitoring mitigation commitments identified and analyzed in Environmental Assessments, Environmental Impact Statements, and adopted in the final decision documents.

There is no evidence to suggest that there is any mechanism in the Resolution process circuit likely to result in technologically enhanced naturally occurring radioactive material (TENORM) in tailings, concentrate, or process water.

These guidelines represent the culmination of efforts, initiated by President Carter in April 1977, to review procedures and criteria used by Federal Agencies involved in the design, construction, operation, and regulation of dams and to prepare guidelines for management procedures to ensure dam safety.

Minutes for meeting with goals to review results of modeling conducted by RCM for the Desert Wellfield pumping in the East Salt River Valley and discuss permitting pathway.

This Field Summary Report describes the investigation tasks and activities associated with the Near West Tailings Storage (TSF) geotechnical investigation. The objectives of the investigation were to obtain data necessary to support the pre-feasibility design of the proposed Near West TSF, to obtain additional information to support hydrogeological characterization of the site, and to characterize potential borrow materials located near the TSF footprint.