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*The Angi rating for Septic Tank Service companies in Markesan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

*The HomeAdvisor rating for Septic Tank Service companies in Markesan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

Last update on May 20, 2026

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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Markesan, WI and surrounding areas

In business since 1971

Credit card accepted

"The technician emptied the freezer, which was in the basement, to work on the part that needed repair. Then he neglected to put anything back into the freezer, including a turkey I had bought for Christmas and a rack of ribs. Two days after he left, I went out of town for two weeks. The turkey actually exploded and spewed its liquid all over everything, which had to be discarded. I let AHS know and they couldn't even bother to call me or follow up on this. I'm considering not renewing my contract with them because of the quality (or lack thereof) of many of the providers they send."
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+2

Recommended by65%of homeowners
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Avatar for Mischo Mechanical, LLC
Mischo Mechanical, LLC
0.0(
2
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Markesan, WI and surrounding areas

In business since 2002

Mischo Mechanical has one mission- to serve all your plumbing needs! We have been helping consumers like yourself since 2002. We offer professional installation and repair on all your plumbing needs. Mischo Mechanical is a family owned and operated business. We take great pride in dealing personally with all of our customers. With our low overhead, we can afford to provide a face-to-face experience that will set us apart from any other plumbing companies. We take pride in serving our customers as people not as numbers. We believe in making our customers repeat customers. Most of our business comes directly from references by previously satisfied customers. We are confident that every job produced by Mischo Mechanical LLC will meet and exceed all customer expectations. Whether you are installing new plumbing or repairing existing plumbing, we have the qualifications to give you professional and quality work that is comprehensive and complete. That is our promise to you. Thank you for your time and consideration, we look forward to helping you meet all your plumbing needs!

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Septic Tanks questions, answered by experts

On average, you should call a pro to pump your cesspool once per year. If you have a larger home with a lot of family members, you may need to pump more (up to six times per year). On the flip side, if you’re talking about a cesspool for a home you don’t use much or if you’re the only occupant in a home, you won’t have to pump nearly as much.

Several warning signs can indicate current or future issues with your well pressure tank. If you notice inconsistent water pressure, water spitting from your faucets, clicking sounds, or electricity bill spikes without other obvious causes, it may be time to get your pressure tank and well system looked at by a professional.

There are a few signs that indicate a failing drain field. For instance, if your septic tank starts requiring more pumping than normal, your drain field might be failing. Other signs to watch for include poor drainage after rain, standing water or sewage over the septic system, a strong septic smell outside, new and healthy grass growing over the drain field, and plumbing backups in your sinks, bathtubs, or toilets.

Ideally, you should conduct a mechanical inspection and a bacterial or well water inspection yearly. While you might be able to push it off to every other year, it’s best to have peace of mind, especially when it comes to something that you use so frequently. 

If you experience repeated gastrointestinal illness in the household, it's important to test the well water more regularly for quality and cleanliness to check for bacteria.

Yes, experts handle manual pumping, chemical flushing, and equipment use properly, ensuring thorough cleaning and legal compliance with disposal regulations.

The Markesan, WI homeowners’ guide to septic tank services

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

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