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TRUSTED BY HOWELL, MI HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon182
    Verified septic tank services reviews

Top-Rated Septic tank pros in Howell - Updated Nov 2026

Avatar for Alliance Ground Services, LLC
Alliance Ground Services, LLC
5.0(
8
)
Septic System - Install or Replace

Serving Howell, MI and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"The project turned out wonderfully! Our front garden walk and fountain area were transformed; they were very knowledgeable and easy to work with. They were able to level the area in order to divert pudding water away from the house. The end result was beautiful! We have since moved almost an hour away and have called on them once again to give us insight as to how to transform the garden areas and walkways at our new home."
Retaining Wall & Patio
Retaining Wall & Patio
Hydroseeding
Hydroseeding
Hydroseeding

+2

Response time1 day
9 neighbors recently requested a quote
Recommended by100%of homeowners
Hamilton Outdoor Services
2.8(
2
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Howell, MI and surrounding areas

Approved

In business since 1988

Free estimates

Customers say: Quick response

"He did a great job and they did what I wanted them to do. I was not there when the job was completed. There were a few changes that needed to be made, I called them, they came right out and took care of it. I was very happy with the work that was done."
Response time1 day
4 neighbors recently requested a quote
Recommended by100%of homeowners
Knights Grading & Excavating, Inc.
New to Angi
Septic System - Install or Replace

Serving Howell, MI and surrounding areas

Approved

In business since 1986

Free estimates

Knights Grading & Excavating is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Response time1 day
Mr fixture
New to Angi
Septic System - Install or ReplaceSeptic System - Repair

Serving Howell, MI and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Hello and thank you for viewing my services, I hope to fix any issue you have and build a relationship off of trust and fine work, if you were wondering what services I offer it’s easier for me to tell you what I don’t, no shingles and no tile, but I do offer grout replacement. It’s a great day when problems go away and projects are finished.

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Septic Tanks FAQs, answered by experts

Yes, it is generally okay to oversize a well pressure tank, and it will not harm your well system. The primary advantage is that a larger tank reduces frequent pump cycling, leading to longer, slower cycles with fewer startups. This can result in less wear and tear, potentially increasing the lifespan of the pump and conserving energy. However, there are drawbacks to consider. Oversized tanks have a higher upfront cost and require more physical space. While not necessarily a bad thing, opting for a tank that is appropriately sized for your well is often the most efficient choice in terms of cost and space.

Schedule annual inspections, test water pressure, and protect the pump from freezing temperatures.

Most homeowners know there’s a septic system problem when they can smell one. However, this isn’t exactly a scientific deduction method. Consider some of the other signs: standing water or constantly damp earth in the drainage area, toilets and sinks that won’t drain or frequently back up, and loud plumbing. You really need to be on top of routine maintenance with septic systems in order to avoid such unpleasant symptoms of a septic issue. 

Septic tank odors can happen because of a few different issues with your septic system, such as a full tank, clogged drains, or blocked venting systems. Not only is a smelly septic tank pretty unpleasant, but it can also pose a potential hazard to yourself and your home. Toxic fumes could be hanging around, or untreated wastewater could be harming the environment.

Yes! Toilet paper can be flushed if you use a septic tank. While unique toilet papers designed to be used with septic tanks are available, many people have no problem flushing regular toilet paper with a septic tank, so long as you don’t flush too much toilet paper all at once. Do not flush any type of baby wipes or bathroom wipes, even if they say “flushable.”

The Howell, MI homeowners’ guide to septic tank services

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