Households that are not served by public sewers usually depend on septic systems to treat and dispose of wastewater. Septic systems represent a significant financial investment. If cared for properly, a well designed, installed, and maintained system will provide years of reliable, low-cost service.

Title 5 System Inspections

• Considerations for Selling a Home or Business With an Onsite Septic System
• State Licensed Septic System Inspectors (by Last Name) (PDF)
• The Title 5 Inspection Process
• Title 5 Inspection Form

New & Replacement Septic Systems

• Building Permits and Your Septic System Requirements (PDF)
• Local and State Septic System Regulations (PDF)
• Engineers 2023
• Installers 2023
• Repairs and New Construction Process (PDF)

Septic System Care & Maintenance

Do Your Part, Be Septic Smart

 New Homebuyer’s Guide to Septic Systems

New Homebuyer’s Guide to Septic Systems Part 2

• Basic Septic System Care and Maintenance
• State Approved Septic System Additives
• Westford Licensed Pumpers/Haulers 2023
• Septage Hauler Requirements (PDF)
• 2023 Septic Loan Resources
• 2023 Septic Tax Credit