This guidance document contains information that will aid states in implementing the CCR Rule. It also provides examples of ways in which systems can prepare and present data in the CCR. Throughout this document, the terms  state  and  states  are used to refer to all types of primacy agencies including states, U.S. territories, Native American tribes, and EPA Regions that maintain state primacy.

• Revised State Implementation Guidance for the Consumer Confidence Report (CCR) Rule (PDF)(126 pp, 1 MB)