Groundwater quality changes after closure in place

25 years of observations

OBG’s Stuart (Stu) Cravens, a thought leader in hydrogeology, recently joined Bruce Hensel of Electric Power Research Institute to talk about groundwater quality changes when a pond is closed in place. Groundwater quality changes can be expected when a pond is closed in place. The type and degree of ch...

OBG contributes to NGWA’s guidance document on perfluorinated compounds

The National Ground Water Association (NGWA) has completed a one-year effort to develop a guidance document for its stakeholders on per- and polyfluoroalkyl substances (PFAS). This document, titled Groundwater and PFAS: State of Knowledge and Practice, was created by a collaboration of more than 30 volunteers from the groundwater industry, including...