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Serving Northern Iowa

Newly installed septic tank Septic installation New septic system installation

Update Your Septic System With Us

When it's time to replace your current septic system with a new one, you can always trust the septic installation professionals at NISS Excavation to get the job done right. We have the equipment and knowledge to make sure your new system runs right for years to come.

  • Traditional leach field systems

  • Sand filler systems

  • Mound systems

  • Alternative treatment systems

We install new systems, such as:

When it comes to installing your new septic system, we make everything easy with our comprehensive services. We can set up pumping for you at no extra charge (if you choose to set up your own pumping, we will need a receipt copy to send to the Department of Natural Resources and to the local county office for their records).

Complete septic installation services

Get your estimate on your new system today!


We have been installing new septic systems for home and business owners for over 10 years, and we stand by our work to ensure your project is completed on-time, and on-budget!

State Inspections You Can Count On

When you need a state inspection for your septic system, call on the dependable and affordable septic and excavation professionals at NISS Excavation. We've been helping homeowners for years with their septic system issues.

We are licensed to perform inspections of your septic system and to use cameras to inspect your septic lines. We can also arrange to have your septic tank pumped as part of the inspection in order to save you the time and money of setting up other arrangements.

Licensed septic inspections

Modern septic inspections