1. A. Level 1, soil evaluations and percolation testing;
2. B. Level 2, design, inspection and maintenance of conventional underground wastewater disposal systems, including soil evaluations and percolation testing; and
3. C. Level 3, design, inspection and maintenance of alternative or conventional underground wastewater disposal systems, including soil evaluations and percolation testing.

3.1 There are three classes of onsite professional certification, Level 1 being the lowest and Level 3 being the highest:

KEY: waste water, occupational licensing, certification, onsite professional

Date of Last Change: September 1, 2013

Notice of Continuation: April 30, 2026

Authorizing, and Implemented or Interpreted Law: 19-5-104; 19-5-106; 19-5-121