What are the general provisions of the Safe Drinking Water Act (SDWA)?
A. Federal Compliance. The SDWA requires Federal agencies that operate public water supply systems to comply with applicable Federal, State, and local requirements. B. National Standards. (1) EPA establishes national drinking water standards that: (a) Set MCLs or action levels for various substances allowed in drinking water, and (b) Establish requirements for specific water treatment practices for contaminants that are difficult or costly to measure. (2) Most States and territories have primary responsibility to enforce compliance with national drinking water standards and sampling, monitoring, and notice requirements. States that have primacy may establish drinking water regulations, monitoring schedules, and reporting requirements more stringent than, or in addition to, those in the EPA regulations. 4.8 What are the requirements for monitoring sources of potable water? A. EPA regulations require that we monitor our public water supply systems for specific contaminants, depending on