The concentration of PM10 in the air in Hayden has been below federal standards for several years. ADEQ is developing a redesignation request so that EPA will reclassify the area as an attainment area.
The Arizona National Scenic Trail is a complete non-motorized path, stretching 800 diverse miles across Arizona from Mexico to Utah. It links deserts, mountains, canyons, forests, communities and people.
This technical memo summarizes the evaluation of the model construction and approach for the groundwater model used to evaluate future groundwater conditions at and surrounding the proposed Resolution Copper panel cave mine. The groundwater model does not consider impacts from the future tailings facility or water supply pumping over 5 miles distant from the site.
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.
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.
This study provides an estimate of the economic contribution of on-farm agriculture to the Maricopa County economy, as well as an estimate of the regional economic contribution of agricultural activity taking place within the Gila River Indian Community.
The main objectives of this document are to recommend appropriate procedures for selecting and accommodating the Inflow Design Flood for dams based on current and accepted practices and to promote a reasonable degree of consistency and uniformity among state and federal agencies.
Summarize available guidance regarding the selection of appropriate baseline conditions against which Resolution Copper project impacts will be compared; and where necessary, document the rationale for selecting baseline conditions for specific resources.
The Peg Leg Pipeline Corridor (PLPC) DEIS study considered two potential pipeline corridor alignment options for transport of mill tailings from the West Plant concentrator site to the Peg Leg TSF and return of reclaim water from the Peg Leg TSF back to the West Plant concentrator site.
