Celebrating 62 Years in Septic Services, from 1958-2020. We are a family-owned and operated business servicing Southern New Hampshire. We do not offer services in Massachusetts. Our staff is dedicated to professionalism in this industry. Please explore this site to see the services we offer at reasonable rates. It's hard to believe that everything we flush down the toilet can affect our environment, especially our water but that is the simple truth. Groundwater can come from miles away. We all live in a watershed, (an area of land that drain rain or snow into one location such as a stream, lake or wetland).

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.

Did you know that baby wipes may specify they are flushable, but should never be flushed into your septic system? This also includes adult wipes, cleaning wipes, medical wipes, etc. In fact, the only paper product that should be "flushed" is toilet paper. It is the only paper designed to break down as it travels through the wastewater treatment process.

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