Evaluating Implementation Issues for Six-Year Review of Drinking Water Standards
EPA considers potential issues or concerns with national primary drinking water regulations gained from EPA's or states’ experience in implementing the regulations as written.
- Improve the level of public health protection, or
- Achieve cost savings while maintaining or improving the level of public health protection.
The extent to which the issue is national in scope,
Whether the change would require a regulatory modification, and
The extent to which the problem to be resolved has been clearly defined and specific options to address the problem have been formulated.