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.

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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)

Section .0100 Public Water Supply Definitions
Section .0200 Location of Sources of Public Water Supplies
Section .0300 Submission of Plans, Specifications, and Reports
Section .0400 Water Supply Design Criteria
Section .0500 Supplemental Design Criteria
Section .0600 Raw Surface Water Facilities
Section .0700 Surface Water Treatment Facilities
Section .0800 Hydropneumatic Storage Tanks
Section .0900 Distribution Systems
Section .1000 Disinfection of Water Supply Systems
Section .1100 Protection of Unfiltered Public Water Supplies
Section .1200 Protection of Filtered Water Supplies
Section .1300 Operation of Public Water Supplies
- Rule .1305 Source Water Protection Planning
Section .1400 Fluoridation of Public Water Supplies
Section .1500 Water Quality Standards
Section .1600 Variances and Exemptions
Section .1700 Water Supply Systems Grants (Repealed Effective April 1, 2014)
Section .1800 Local Plan Approval Program
Section .1900 Administrative Penalties
Section .2000 Filtration and Disinfection
Section .2100 Operating Permits
Section .2200 Ground Water Systems
Appendix A: Pertinent General Statutes from Article 10
Appendix B: Selected Industry Standards
Appendix C: Plan Approval and Capacity Development