The city of San Luis Obispo expects a $6.6 million monetary injection from the state to cure its groundwater from a stubborn toxic chemical prevalent since the 1980s. “Thankfully, the work done on the groundwater sustainability plan has provided a thorough understanding of the basin, and previous rounds of this project which focused on identifying the extent of the PCE contamination and studied the feasibility of the cleanup project,” said Nick Teague, the city water resources program manager…