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The state has been facing an estimated overdraft of two million acre-feet per year from groundwater aquifers. As a result, the 1980 Groundwater Management Code is forcing the agricultural sector to manage and use the available water more efficiently.

The Legends of Superior Trail connects the historic mining town of Superior with the Arizona Trail, 6 miles to the west. Along the way it passes through the high Sonoran Desert, the remains of the abandoned town of Pinal, and the riparian forest along Queen Creek, all while under the gaze of the majestic Picketpost Mountain to the south and Apache Leap to the east.

The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard information produced in support of the National Flood Insurance Program (NFIP). Use the MSC to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk.

The Copper Mountain quadrangle is centered just north of the southwest-facing escarpment on the southwest side of the crest of the Sierra Ancha. Elevations range from about 4200 feet in the southwest corner of the map to 6676 feet at Copper Mountain.

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This technical memorandum has been prepared to summarize the results of drilling, construction, and testing at hydrologic test wells HRES-14 and HRES-15. The wells were installed to characterize hydrogeologic conditions in the Apache Leap Tuff on the east side of Devils Canyon, near the Devils Canyon Fault. Monitoring data obtained from HRES-14 and HRES-15 have been incorporated into the RCM hydrologic monitoring program.

Western Yellow-billed Cuckoo surveys were conducted in portions of Devils Canyon and Mineral Creek in the months of June through August 2011.

Acid rock drainage (ARD) is produced by the exposure of sulphide minerals such as pyrite to atmospheric oxygen and water. The ability to identify in advance any mine materials that could potentially produce ARD is essential for timely implementation of mine waste management strategies for ARD control.

The objective of this manual is to provide technical procedures for the estimation of flood discharges for the purposes of designing stormwater drainage facilities and regulating water-courses in Maricopa County.