21 NCAC 39 .0102             TYPES OF CERTIFICATION

(a)  The levels of certification for on-site wastewater contractors are as follows:

Level	Description of Activities
II	Single Septic Tank, Conventional (Gravel) Gravity System Multiple tanks, Grease Traps, Single Pump or Single Siphon, Fill Systems, Sand Lined Trench, and any approved gravity or single pump dispersal system not specified in Grade Level IV, Systems of ≤ 1500 gdp
IV	Grade II, plus: Dual pumps or Dual Siphons, Low-Pressure Dispersal, Flow Equalization, and any system requiring ground water lowering with a pump, Systems of > 1500 gdp, Multiple Off-Site Systems, Industrial Process Wastewater, Residential Wastewater Treatment Systems (RWTS), TS-I and TS-II System, Drip Dispersal Systems, and Wastewater Reuse Systems or any Pretreatment Component.

(b)  Point-of-sale inspectors and private compliance inspectors are certified to inspect all on-site wastewater systems referenced in Paragraph (a) of this Rule.

(c)  Evaluators certified by the Board pursuant to G.S. 130A-336.2(a) shall comply with the standards set forth in G.S. 130A-336.2.

History Note:        Authority G.S. 90A-72; 90A-74; 90A-77; 130A-336.2;

Eff. February 1, 2011;

Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. January 9, 2018;

Amended Eff. June 1, 2021;.

Readopted Eff. November 1, 2025.