The purpose of this study is to provide flood and erosion hazard information for the Craycroft Wash for use in floodplain use permitting and floodplain management.
The objective of the TDN and LOMR submission is provide regulatory discharge rates and floodplain limits along the Flecha Caida Wash using better topographic, hydrologic, and hydraulic data.
The purpose of this study is to provide flood and erosion hazard information for the Geronimo Wash for use in floodplain use permitting and floodplain management.
The purpose of this study is to provide flood and erosion hazard information for Woodland Wash for us in floodplain use permitting and floodplain management.
This study was prepared to provide a drainage condition for Tanuri Wash. Hydrologic and hydraulic analyses were conducted. A floodplain map was created based on the hydraulic analysis.
Project Summary
Passing and climbing lanes provide additional lanes for vehicles to safely pass other vehicles while maintaining speeds. Implementing passing and climbing lane projects provides traffic operational and safety benefits at a cost that is far less than fully widening a highway. In an effort to enhance safety and mobility on Arizona's roadways, the Arizona Department of Transportation is currently updating the 2003 Passing and Climbing Lanes Prioritization Study. This update intends to further refine the identification and prioritization methodology previously utilized and to develop a prioritized list of candidate locations that would provide the most benefit to the traveling public.
Study Objectives
Review previous studies and research current best practices.
Analyze the safety and performance benefits of passing/climbing lanes constructed since the previous study.
Develop a revised methodology and ranking criteria.
Obtain feedback from ADOT District Engineers and other stakeholders, such as rural COGs and MPOs.
Develop a new prioritized list of candidate passing/climbing lane projects.
From May 2005 to June 2005, the Arizona Department of Environmental Quality conducted a study, Potable Well Sampling Task 4.0, to determine if the chromium and chromium VI plume due to the discharge of the Pacific Gas and Electronic Topock Compressor Station has migrated under the Colorado River and impacted water supplies in Arizona. The ADEQ investigated the total chromium and hexavalent chromium (chromium VI) concentrations in (1) public water supply wells, (2) combined industrial and domestic water supply wells, and (3) private domestic water supply wells at Topock and Golden Shores, Arizona. The communities of Topock and Golden Shores have expressed their concerns regarding the findings. Thus, the ADEQ requested the Arizona Department of Health Services to evaluate the potential health effects of exposure to well water contaminated with chromium.