A majority of the work performed by ADEQ's Nonpoint Source Program is funded by Clean Water Act grants, awarded by the U.S. Environmental Protection Agency which requires States to report annually on progress in meeting the schedule of milestones contained in their nonpoint source management plans, and report reductions in nonpoint source pollutant loadings and improvement in water quality resulting from program implementation.

The U.S. Fish and Wildlife Service (Service) is the lead agency responsible for recovery of the Mexican wolf, pursuant to the Endangered Species Act. The Mexican Wolf Recovery Program essentially is separated into two, interrelated components: 1) Recovery – includes aspects of the program administered primarily by the Service that pertain to the overall goal of Mexican wolf recovery and delisting from the list of threatened and endangered species, and 2) Reintroduction – includes aspects of the program implemented by the Service and cooperating States, Tribes, and other Federal agencies that pertain to management of the reintroduced Mexican wolf population in the Blue Range Wolf Recovery Area, which consists of the entire Apache and Gila National Forests in Arizona and New Mexico. This report details all aspects of the Mexican Wolf Recovery Program.

The U.S. Fish and Wildlife Service is the lead agency responsible for recovery of the Mexican wolf, pursuant to the Endangered Species Act. The Mexican Wolf Recovery Program essentially is separated into two, interrelated components: 1) Recovery – includes aspects of the program administered primarily by the Service that pertain to the overall goal of Mexican wolf recovery and delisting from the list of threatened and endangered species, and 2) Reintroduction – includes aspects of the program implemented by the Service and cooperating States, Tribes, and other Federal agencies that pertain to management of the reintroduced Mexican wolf population in the Blue Range Wolf Recovery Area, which consists of the entire Apache and Gila National Forests in Arizona and New Mexico. This report details all aspects of the Mexican Wolf Recovery Program.

This study involved the review of 417 ADEQ LUST site files and compilation of relevant data from 323 of these sites into an electronic database. It also involved the collection and analysis of over 700 supplemental groundwater samples, the assessment of aquifer flow properties from 32 wells at 11 sites, and more detailed characterization at six LUST sites representative of a range of conditions at AZ LUST facilities. In addition, over 300 groundwater level measurements were performed and 175 monitoring wells were re-surveyed in order to assess errors in standard practice and their impact on groundwater flow direction determination. An empirical analysis of groundwater impacts at AZ LUST sites was conducted using these data sets, with emphasis on identifying relationships between site conditions (e.g., geology, depth-to-groundwater, etc.) and groundwater impacts. Finally, a combined theoretical-spatial (GIS) analysis was performed to identify LUST scenarios posing the greatest threats to use of groundwater resources.

In March 2004, the U.S. Environmental Protection Agency requested information on efforts to monitor and protect children from exposure to lead in drinking water at schools. The Arizona Department of Health Services reviewed the state lead poisoning registry, and analyzed drinking water samples from 45 randomly selected schools. The Office of Environmental Health provided this consultation to help document our findings and supplement our response to the EPA. This work was also undertaken to help provide useful information should hazardous waste sites be discovered in the future near these schools. We also wanted to apply the ATSDR health assessment process in support of state and federal efforts to protect the health of children.

Whether reintroduction and recovery should be allowed, and if so where and how, were hotly debated through the 1990s, when reintroduction was formally proposed. They still are. Regardless, the proposal process ended with a nonessential experimental population rule (hereafter Final Rule) approved on January 12, 1998. In keeping with the stated experimental nature of the reintroduction effort, and respectful of the doubts expressed by many, the Final Rule required full evaluations after 3 and 5 years to recommend continuation, modification, or termination of the Reintroduction Project. The 3-Year Review, conducted in 2001, concluded that reintroduction should continue, albeit with important modifications. However, as we discuss elsewhere in this report, for many reasons the 3-Year Review recommendations were not implemented, at least not to the extent that interested parties and stakeholders expected or desired. Regardless of cause, the apparent lack of closure was a significant agency and public concern when the time came for the next review.

By agreement among the primary cooperating agencies, responsibility for the Reintroduction Project’s 5-Year Review fell to the Mexican Wolf Blue Range Adaptive Management Oversight Committee (AMOC) that oversees the Project on behalf of six Lead Agencies and various formal and informal Cooperator agencies. AMOC and the Project's Interagency Field Team conducted the 5-Year Review to comply with the Final Rule, but above and beyond that the intent was to identify and implement improvements in the Project. The Review consists of several primary components: Administrative, Technical, Socioeconomic, and Recommendations. Each is detailed in this report. Review and adaptive management of the Reintroduction Project will not stop with this review. Project cooperators will continue to seek internal and public input regarding Mexican wolf reintroduction to help achieve recovery goals and objectives.

This Additional Site Characterization Work Plan presents a strategy for collecting site characterization information at the closed Maricopa County Cave Creek Landfill to support ongoing remedial action planning for trichloroethene-impacted groundwater underlying the site. The Work Plan supplements previous remedial investigation work plans prepared to characterize the nature and extent of site contamination.

To evaluate whether VOCs are migrating out of the landfills into the vadose zone, a soil vapor survey of the soil beneath the landfill bases was performed. Permanent vapor monitoring probes were installed and then sampled twice for VOCs. Groundwater beneath the landfills has been impactd by VOCs, namely TCE, DCE, and toluene.