Septic Tank Installation & Repair in Rapid City, SD
From new installations to urgent repairs, Hills Septic handles it all, with certified technicians who know Rapid City’s soils, regulations, and conditions inside and out.
35 Years of Local Septic Expertise
Since 1990, Hills Septic has been installing new septic systems and repairing existing ones throughout Rapid City and the surrounding Black Hills area. Decades of local experience means we know the soils, the conditions, and the regulations — so your system is built to last.
New Septic System Installation
Not every site is straightforward, and that’s where our certified installers shine. We specialize in difficult sites and handle every detail from start to finish: evaluating your property, measuring setbacks, and ensuring your system and leach field are properly positioned away from drinking water, groundwater, and property lines.
Before any digging begins, we ensure full compliance with all county, state, and federal EPA regulations. No shortcuts, no surprises.
Something Not Working Right?
Our technicians are trained to diagnose septic problems quickly, often identifying the issue during the pumping process. We’ll walk you through what we find and get it fixed.
Our repair services include:
- Replace inlet & outlet baffles
- Install cleanouts
- Replace inlet line from house to tank
- Replace outlet line from tank to drain field
- Seal septic tank
- Add drain field lines
This information is stored in our system to make future residential septic pumping in Rapid City, SD faster, easier, and more efficient.
Frequently Asked Questions
Common signs of septic system problems include slow drains, sewage backups, foul odors, standing water in the yard, unusually lush grass over the drain field, or gurgling sounds in plumbing fixtures. If you’re experiencing any of these issues, our team can inspect your system and determine the cause.
Yes. Hills Septic Service provides complete septic system installation for new homes, businesses, and properties throughout Rapid City and the Black Hills. We evaluate your site, soil conditions, and drainage requirements to ensure your system is properly designed and installed.
We offer a variety of septic repairs, including: inlet and outlet baffle replacement , cleanout installation, inlet line replacement, outlet line replacement, septic tank sealing, and drain field line additions.
Our technicians will diagnose the issue and recommend the most effective repair solution.
Yes. Septic system installations must comply with county, state, and environmental regulations. Hills Septic Service helps ensure all necessary requirements are met before installation begins and can assist with the permitting process.
The cost of septic installation varies based on the size of the system, site conditions, soil type, and local requirements. We provide customized estimates based on your property’s specific needs.
Need service? Call now.
Real people answer the phone — day, night, weekends and holidays.