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Find Septic system repair pros in Merrimack

Avatar for Septic Designs of NH, LLC
Septic Designs of NH, LLC
4.5(
29
)

Serving Merrimack, NH and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"I can't say enough about the service and professionalism here! Micah came out, designed a new system, got all permits in a very timely fashion and explained everything throughout the whole process for a very reasonable price. I would definitely recommend his company for any septic system problem!"
Septic Inspection
Leach Field
Septic System Distribution Box
Septic Camera
Septic Pipe

+43

Response time8 hrs
14 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Innovative Septic Solutions
Innovative Septic Solutions
4.3(
34
)

Serving Merrimack, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Emergency services offered

"No one wants to replace their septic system, but if you need to â ¦. Call Bob. From begging to the end of the job, he made the process painless. He explained everything, how the system works and gave us options to fix the old system or replace. His crew was great, arrived when he said they would, worked quickly and left my yard/lawn in better condition then before the work started. Great company , great serviceâ ¦. Thank you!"
Response time2 days
7 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Sewer Surgeons LLC
Sewer Surgeons LLC
5.0(
8
)

Serving Merrimack, NH and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

We pride our company on reliability, great communication, \nintegrity, and quality work. We are experts in our trade and will do our best \nto keep you as educated as we can on your particular task or project. We are locally owned and operated. Give us a call today, we look forward to earning your business!\n

Septic Repairs
Septic Repairs
Septic Repairs
3 neighbors recently requested a quote
Granite State Sewer & Drain Cleaning Co
4.9(
13
)

Serving Merrimack, NH and surrounding areas

Approved

In business since 1981

Emergency services offered

Warranties offered

Granite State Sewer & Drain Cleaning Co is your go-to plumbing and drain cleaning expert in New Hampshire. With our extensive experience and top-notch service, we stand out from the competition. Contact us today for all your plumbing needs! Additional DBAs - Granite State Sewer Pumps, Granite State Sewer & Drain Cleaning Inc.

Additional Photos
Additional Photos
1 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for BMP Consultants
BMP Consultants
5.0(
6
)

Serving Merrimack, NH and surrounding areas

Call us today for all your excavating needs! We handle start-to-finish septic system installations. We will work with any design team you may already have in place. We do not provide maintenance or pumping services.

Septic Tank Project
Recommended by100%of homeowners
Avatar for Viper Drain Cleaning LLC
Viper Drain Cleaning LLC
4.2(
10
)

Serving Merrimack, NH and surrounding areas

In business since 2022

Free estimates

Credit card accepted

Greetings! New business looking to grow, offering full service drain cleaning from start to finish. I'm Chris, (Owner & Operator) of Viper Drain Cleaning LLC, I am currently open for business and look forward to serving you by offering a variety of drain cleaning services that best fit your needs whether it be unclogging that kitchen sink line, opening up that pesky slow draining bath tub or even descaling an old cast iron Main Sewer Line... Viper Drain Cleaning LLC is here for the assist. \nIf you have a drainage issue that needs service TODAY please feel free to reach out to our friendly staff and in no time you will have a friendly and professional drain technician arriving to your door to take care of the problem for you! \nWe currently offer a variety of services that conform to industry standards as well as fair pricing and will remain as such as Viper Drain Cleaning LLC believes in transparent transactions, no hassle, no upselling... simply put, we will provide a visual inspection and educate you on what may be causing your drain to back up or be clogged then offer a simple solution with fair pricing to solve it. \nNew Customers will be offered discounted services as a way of saying thank you for your business and will be provided a price sheet and business card for future needs. Discounts for additional drains treated on same visit. \n\nRegards, \n\nChris (Owner & Operator)\nViper Drain Cleaning LLC\n312-307-5633\n

Blocked Main Sewer Line
Kitchen Sink Londonderry NH
De-Rooting Service & Video Inspection of Line
Partial Line Replacement & Tub Line Hair Removal
Multi-Family MSL, Video Inspection, Pipe Repair

+73

Recommended by80%of homeowners
Avatar for Primos LLC
Primos LLC
5.0(
8
)

Serving Merrimack, NH and surrounding areas

In business since 2010

Free estimates

Emergency services offered

Primos offers Commercial/Residential Concrete patios/driveways/stamped and decorative, Asphalt Paving/Sealcoating, Paver Patios and Retaining Walls. We also offer excavating and drainage, plus sewer line replacements. \nWe will offer the best price with fast, reliable, and professional service. Our customers are our number 1 priority. We listen to exactly what you looking for and we will make sure you are happy before we leave.\n

Recommended by100%of homeowners
Showing 1-10 of 22
FAQs for septic system repair projects in Merrimack, NH

Leach field failure can often occur due to a lack of proper maintenance, hydraulic overload, or environmental factors. When too much water enters the septic system—like running multiple large laundry loads back-to-back—it can overwhelm the leach field. Regular professional inspections, ongoing maintenance, and spacing out high-water-use activities help prevent failure.

A septic tank shows repair needs when noticeable symptoms arise around your home. Noticeable signs include strong sewage odors at fixtures, recurring pipe blockages, pooling water or damp patches near the leach field, and areas of unusually bright green or spongy grass. These indicators confirm that deteriorating components or clogs exist. Monitoring such signs and scheduling timely professional inspections prevents further costly damage.

Adhering to a strict, scheduled maintenance plan prevents septic system repairs. An annual inspection and a pump-out every three to five years safeguard your system’s performance. Additionally, only flushing waste and toilet paper, installing drain filters, keeping nonapproved items out of the system, and avoiding excessive water use help maintain your septic system’s health and efficiency.