Department of
Environmental Quality

• Biosolids, Guidance for Land Application of Municipal (December 2011)
• Lagoon Seepage Guidance | Seepage Calculation Spreadsheet (April 2009)
• Lagoon Seepage Test Statistical Review (October 2011)
• Minor Surface Water Discharges (January 2002)
  Guidance on the permitting of minor surface water discharges.
• NPDES/401 Certification Guidance (January 2002)
  Overview of time frames and procedures pertaining to 401 certifications.
• Nutrient-Pathogen Evaluation Program for On-Site Wastewater Treatment Systems | Spreadsheet for Level 1 Evaluations (May 2002)
• Sewage Disposal Systems, Technical Guidance Manual for Individual and Subsurface
  
• Wastewater Reclamation and Reuse, Guidance for
  

Separation Requirements

• Minimum Separation Distances (December 2001)
• Potable Water and Non-Potable Line Crossings: Vertical Separation Requirements (June 2010)
• Potable and Non-Potable Line Separations: Horizontal Separation Requirements (June 2010)
• Setbacks from Drinking Water Wells to Features of Concern (March 2003)

• Recommended Horizontal Separation Distances Between Drinking Water Lines and Stormwater Facilities (March 2009)