Ground Water and Drinking Water office of Water Public Notification Public Water System Safe Drinking Water Act Secondary Maximum Contaminant Level Synthetic Organic Chemical Surface Water Treatment Rule Total Coliform Rule Treatment Technique Total Trihalomethanes Transient Non-Community Water System Volatile Organic Chemical Public / Enhanced Surface Water Treatment Rule Maximum Contaminant Level Maximum Contaminant Level Goal Maximum Residual Disinfectant Level Maximum Residual Disinfectant Level Goal Non-Community Water System National Oceanic and Atmospheric Administration National Primary Drinking Water Regulation Non-Transient Non-Community Water System Nephelometric Turbidity Unit National Weather Service office of Ground Water / National Oceanic and Atmospheric Administration / office of Water / Environmental Protection Agency / Centers for Disease Control and Prevention / /