Community/ Large Wastewater Disposal Investigations
Disposal systems over 2,500 gpd are considered “large systems” and require more detailed preliminary investigations and DNREC D.3 licensure. These systems may be community systems, spray irrigation systems, or large commercial systems.

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Licensed D.3 Site Evaluator
The minimum licensure required to perform Site Evaluations in Delaware is a D.1 Site Evaluator. Accent Environmental, LLC (AE) maintains D.3 Site Evaluator licensure which is the highest licensure tier defined by DNREC. In addition, AE maintains Certified Professional Soil Scientist (CPSS) licensure with the national soils certifying body. Scientists recommended!