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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Revised Rules (Effective July 1, 2019)

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

• Section .0100 Protection of Public Water Supplies
• 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• Section .1700 Water Supply Systems Grants (Repealed Effective April 1, 2014)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