These documents are for use by local approving authorities as guides for execution of delegated duties regarding on-site sewage disposal systems in accordance with COM​AR Title 26​ Subtitle 04 C​​​​​hapters .02, .03 & ​.05.

Site Evaluations (COMAR 26.04.02):

• Site Evaluation Application​
  

• Site Evaluation Checklist​
  

• Site Evaluation Report Templates

• (8½ x 11 page)
  

• (8½ x 16 legal size)
  

• Site Evaluation Results and Preliminary Specifications
  

• Site Ev​​aluation Manual
  

• Web Soil Survey​ (NRCS)
  

On-Site Disposal Systems ​​​​(COMAR 26.04.02)​:

• Septic Permitting Process Flowchart
  

• Septic Permit Review Tool for Conventional Gravity and Pumped to Gravity Systems
  

• Septic Permit Installation Final Inspection Checklist

• Non-Conventional Plan Submission Guidance​

• Decision Framework for Evaluating Project Flows utilizing Onsite Systems and Wastewater Flow Guidance
  

• MDE Guidance on Wastewater Flows for Use in Designing Onsite Systems
  

• 1500 Best Available Technology (BAT) Memorandum
  

• Sampling Requirements for >1500 gpd Individually Engineered BATs
  

• ​​Large Onsite Sewage Disposal System Guidelines​
  

Subdivision (COMAR 26.04.03):

• Plat Signatory Guidance Templates for Subdivision and Related Record Plats
  

Building Permits​​​:

• Building Permit Review Flowchart​​​​​
  

Well Construction (COMAR 26.04.04):

• Confined vs Unconfined Well Construction in the Coastal Plains Aquifers​