Rules Governing Public Water Systems

This site contains links to the rules and regulations applicable to public water systems for the State of North Carolina.  The rules are found in Title 15A, Subchapter 18C of the North Carolina Administrative Codes. Because many federal regulations are incorporated by reference into state rules, the following links to federal regulations are provided: C.F.R. websites: 40 C.F.R. Part 141; 40 C.F.R. Part 142.

To view or print the rules you will need Adobe Acrobat Reader (download Adobe Acrobat Reader).

Rules Governing Public Water Systems (Green Book) – NCAC 15A Subchapter 18C

Revised Rules (Effective July 1, 2019)

North Carolina Adminstrative Code Title 15A Chapter 18 Rules (NC OAH)