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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

Yes, you can adjust your well pump pressure relatively easily by yourself. You’ll need to remove the cover from your pressure switch and adjust a nut that controls cut-in pressure. Learn more about how to adjust a well pump pressure switch with a step-by-step guide to setting your water pressure.

All municipalities in the U.S. require a permit for septic tank installation or septic system alteration, and the permit will usually cost between $450 and $2,500. Some municipalities also require permits for septic system repair. You’ll either need to contact your local building department or your septic tank company to ask if this is necessary before carrying out the work. Permits are not typically required to have your septic tank pumped, so provided your septic company is licensed, you can move forward with the work as needed.

A mound septic system, when properly maintained, can last between 20 and 25 years on average—though some last longer or malfunction sooner than that. The most important part of maintenance is getting an annual inspection of the vital parts of the system to ensure they’re in proper working order and not too backed up with sewage.

Several signs can indicate a faulty well pump pressure switch. These include your pump running continuously, the pump not turning on at all, or a sudden and complete loss of water. Other symptoms are weak water pressure or an erratic, unpredictable water flow from your fixtures. If you notice these issues, the pressure switch may be the cause. Testing the switch can help diagnose the problem. A faulty switch will likely need to be repaired or replaced. If the issue is more complex, it's best to consult a professional well technician to ensure your water supply is restored correctly.

Unfortunately, yes. If your well pump continues working when the flow of water is completely blocked, the motor will burn up. The energy has nowhere to go, thanks to the blockage, so it turns inward. The end result? A ruined well pump and a depleted bank account (once you shop for a replacement.) 

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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