Regulatory Guidance

Delaware Department of Natural Resources and Environmental Control (DNREC) Division of Water
Regulatory division for oversight of On-Site Waste Water Treatment and Disposal Systems (OWTDS) / Septic and Large OWTDS (LOWTDS)

http://www.dnrec.delaware.gov/wr/Pages/Default.aspx

DNREC Division of Watershed Stewardship – Sediment and Stormwater
Regulatory division for oversight of stormwater and erosion and sediment control

http://www.dnrec.delaware.gov/swc/pages/sedimentstormwater.aspx

DNREC Wetlands and Subaqueous Lands
Regulatory division for oversight of certain wetland activities in Delaware

http://www.dnrec.delaware.gov/wr/Services/Pages/
WetlandsAndSubaqueousLands.aspx

Organizations/Agencies

Mid-Atlantic Association of Professional Soil Scientists (MAPSS)
Local group of Academic, government, and consulting soil scientists.

http://www.sawgal.umd.edu/mapss/

Soil Science Society of America (SSSA)
National association of soil science, professional soil certification provider

https://www.soils.org/

National On-Site Wastewater Recyclers Association (NOWRA)

http://www.nowra.org/

Delaware On-Site Wastewater Recyclers Association (DOWRA)

http://dowra.org/

Society of Wetland Scientists (SWS)

http://sws.org/

EPA – Septic System Information

http://water.epa.gov/infrastructure/septic/

Natural Resource Conservation Service (NRCS)
Federal agency providing guidance for soil and numerous other natural resources

http://www.nrcs.usda.gov/wps/portal/nrcs/site/national/home/

Helpful Information/Tools

Web Soil Survey – Online tool provided by the NRCS
Mapping tool for identifying mapped soils within an Area of Interest (AOI)

http://websoilsurvey.nrcs.usda.gov/app/HomePage.htm

NRCS – Official Series Descriptions
Detailed descriptions of soil series

http://soils.usda.gov/technical/classification/osd/