Contains substances detected in 2017-2019 for which annual utility averages have been lessen than an EWG-chosen overall health guideline set up by a federal or state public overall health authority; substances detected underneath the EPA's Unregulated Contaminant Checking Rule (UCMR 3) system in 2013 to 2015 (and subsequent screening when https://water-quality-compliance83726.blognody.com/27662532/new-step-by-step-map-for-best-water-quality-in-compton