The Sanitary Engineering Program is responsible for reviewing and approving properties for the installation of private septic systems and wells in the County. Services include conducting perc tests, determining septic system design requirements, issuing construction permits for private septic systems and wells, inspecting private septic systems and wells, investigating illegal installations of private septic systems and wells, testing private well water, inspecting liquid waste hauler trucks, reviewing and approving commercial development and subdivisions.

Perc Testing
Residential - 410-222-7193
Commercial - 410-222-7194
Subdivisions - 410-222-7032

Inspections
Septic Systems - 410-222-7218
Wells - 410-222-7024
Liquid Waste Hauler - 410-222-7226

Permits
Septic Systems - 410-222-7193
Wells - 410-222-7024
Liquid Waste Hauler - 410-222-7226

Records
Septic Systems - 410-222-7193
Wells - 410-222-7024

Well Water Testing - 410-222-7024


For More Information:

Applications and Requests

• Bay Restoration Fund - Information and the Bay Restoration Fund Application (in Adobe PDF format)
• Perc Application - Online Registration - Department of Inspections and Permits
• Perc Application and Instructions for Single Lot Development (Download in Adobe PDF format)
• Perc Application and Instructions for Subdivision Development (Download in Adobe PDF format)
• Application Procedures For Building Construction Where Private Wells and Public Sewers Systems are Proposed
• Application Procedures for Property Improvements where Well or On-Site Septic Systems are utilized
• Perc Testing Procedures where On-Site Septic Systems are Proposed
• Request for Copies of Septic or Well Records Form (in Adobe PDF format)
• Septic System Video Request (in Adobe PDF format)
• Well Water Analysis Request for Radium (in Adobe PDF format)
• Well Water Analysis Request for Volatile Organic Compounds (VOC) (in Adobe PDF format)

• Guidelines For Locating Your Septic System
• Guidelines For Maintaining Your Septic System
• MTBE in Well Water
• Radium in Well Water
• Sewage Disposal Code (in Adobe PDF format)
• Well and Septic System Assistance Program
• Well Water, Food Safety and Mold Cleanup
• Wet Season Perc Testing