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*The Angi rating for Sewer Cleaning companies in Hamilton, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sewer Cleaning needs.

*The HomeAdvisor rating for Sewer Cleaning companies in Hamilton, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sewer Cleaning needs.

Last update on March 07, 2026

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Sewer Cleaning questions, answered by experts

That pungent rotten egg smell coming from your drain is likely the buildup of biofilm—hair, skin, and soap scum that turns into a black sticky mess. In this case, pouring down near-boiling water, baking soda, and white vinegar will remove the smell. Keep in mind that a rotten egg smell is occasionally a sign of larger sewage line clogs and other related issues.

Clearing typically takes 1-2 hours, depending on the blockage size and location.

Avoid flushing non-degradable items, schedule regular inspections, and address minor clogs promptly.

Knowing the signs can alert you to a clogged drain line. Clogs cause slow drainage or cause no drainage (if there’s a complete blockage). You may also notice foul odors, gurgling noises, water backing up in other appliances on the same line, or a poorly flushing toilet. If you experience any of these issues and think your line might be clogged, call a plumber.

The best practice is to clean the sewer drain lines in your home once a year or every two years. Older homes could require more frequent maintenance. Keeping up on cleaning your sewer lines can prevent severe clogs, help ensure your system is working properly, and prevent expensive repairs.

The Hamilton, MT homeowners’ guide to sewer cleaning services

From average costs to expert advice, get all the answers you need to get your job done.

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