web analytics
603-434-7701 [email protected]

Hamm Septic Services Celebrates 64 Years in Business

At Hamm Septic Service, Inc., our focus is on residential, condominium, and light commercial septic system design, installation, repair, and maintenance, since 1958. We serve the southern New Hampshire towns of Chester, Derry, Hampstead, Hollis, Hudson, Litchfield, Londonderry, Manchester, Nashua, Pelham, Salem, Sandown, and Windham. We offer the following services at reasonable rates.

  • Excavation & Site Work
  • Septic Tank Pumping
  • Power Snaking (Line From Tank To House)
  • Baffle Repair
  • Septic Tank Filter Cleaning & Replacement
  • Septic Tank Cover Extensions (Risers)
  • Pump Station Troubleshooting & Repair
  • Filters For Septic Vents

*Our professional staff is fully trained, licensed and insured. A certificate of insurance is available upon request.

Interview with Gary Hamm from Hamm Septic Design & Installation.


  • Failed Septic Systems Designed & Installed
  • New Construction Septic Systems Designed & Installed