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PFAS Investigation & Remediation

Per- and polyfluoroalkyl substances (PFAS) contamination impacts the drinking water of more than 200 million people in the US. Scientists are just now understanding how to effectively characterize and remediate this class of emerging contaminant in groundwater. Hargis’ engineers and hydrogeologists are on the leading edge of PFAS investigation and remediation with recent work on …

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Central Tucson Per & Polyfluoroalkyl Substances Project

Hargis has worked with the Arizona Department of Environmental Quality (ADEQ) on various projects to investigate and remediate per- and polyfluoroalkyl substances (PFAS) in the Tucson area including: Central Tucson PFAS Project: Hargis is assisting ADEQ in protecting the Tucson Central well field by investigating the nature and extent of PFAS contamination in the regional aquifer …

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Strategic Replacement Of Water Production Wells

Hargis is currently providing hydrogeologic consulting services to the San Carlos Irrigation and Drainage District for the strategic replacement of poorly-producing and/or damaged irrigation wells. Replacement wells have been deemed necessary so that the SCIDD can continue to satisfy its waterdemand largely with groundwater as the future availability of Central Arizona Project water diminishes. Scope …

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Per – and Polyfluoroalkly Substances (PFAS) Contamination Investigation and Remedial Design

Hargis is currently assisting the Arizona Department of Environmental Quality (ADEQ) in protecting the Tucson Water’s Central well field by investigating the nature and extent of per- and polyfluoroalkyl substances (PFAS) contamination in the regional aquifer and remediation of the plume by ex-situ treatment.  The Central well field serves as the primary drinking water supply …

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