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Hamm Septic Services



Hamm Septic Services provides the southern New Hampshire towns of Amherst, Atkinson, Auburn, Bedford, Brookline, Chester, Derry, Hampstead, Hollis, Hudson, Litchfield, Londonderry, Manchester, Merrimack, Milford, Nashua, Pelham, Raymond, Salem, Sandown, and Windham with septic services.

Your on-site wastewater treatment system represents a significant investment which you will want to protect. With proper operation and regular maintenance, your system will function better and last longer.

Septic Tank Pumping NH

Do not wait until your system shows signs of failure to have your septic tank pumped out. It is recommended that you have your septic tank pumped every two to three years. Sometimes more often depending on how many people are using the system, the tank capacity and the age/type of leach field. While your tank is being pumped, ask the operator to examine the inlet and outlet baffles or tees in the septic tank. If either is broken, have repairs done immediately. The inlet should also be checked to see if wastewater is continuously flowing into the tank from previously undetected plumbing leaks. The outlet baffle is more important than the inlet baffle. Its loss will allow untreated material to go directly to the absorption area; failure of the system is the common result. If there is a tank filter, it should be cleaned yearly and every time you pump the tank.

Septic tank pumping NHSeptic systems generally give little warning that they are about to fail. However, the following symptoms often indicate that the leaching system is becoming clogged:

a) sewage odor near the septic tank or leaching area;
b) slowly running drains and toilets; and c) sewage on the ground over the leaching area.


Protect the system by keeping the soil over the drainfield covered with vegetation to prevent erosion. Maintain the natural shape of the land immediately down slope of the system and protect this area from cutting and filling. Landscape the yard to divert surface waters away from the tank and drainfield.

  • Tank Cover Location & Digging
  • Repairs-Inlet/Outlet Baffles
  • Filter Installation & Cleaning
  • Riser Installations to minimize or eliminate digging