November 28, 2018

Texas Close ’Em: Municipal Setting Designations as a Closure Tool

John Slavich and David E. Whitten

I. Introduction

Dealing with sites that have contaminated groundwater is always a challenge. Risk-based closure standards in Texas and other states require that contamination in the groundwater be addressed in order to achieve regulatory closure. In certain instances, that can be achieved using an institutional control prohibiting the use of the groundwater. However, before the State of Texas will consider the use of such an institutional control, contamination in the groundwater plume must be fully delineated. The resulting work needed to “chase the plume” is, in many cases, expensive and time-consuming. Municipal Setting Designations can serve as a closure tool in Texas to short-cut the traditional regulatory closure process by removing the groundwater ingestion pathway as a regulatory concern.

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