21 NCAC 39 .0102             TYPES OF CERTIFICATION

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

Level	Description of Activities
I	Single Septic Tank, Conventional (Gravel) Gravity System
II	Grade I, plus: 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 III or Grade Level IV
III	Grade II, plus: Dual pumps or Dual Siphons, Systems of >1500 gpd to <3000 gpd, Low-Pressure Dispersal, Flow Equalization, and any system requiring ground water lowering with a pump
IV	Grade III, plus: Systems >3000 gpd, 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)  Inspectors are certified to inspect all on-site wastewater systems referenced in Paragraph (a).

(c)  Evaluators shall be certified pursuant to 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.