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excavation
September 25, 2025
Here's how proper excavation improves water drainage, prevents erosion, and supports stable foundations. Discover techniques and benefits for any property.

Septic System Installation Services

Serving Idaho Falls, Rigby, and Rexburg, ID

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Septic System Installation Services for Residential and Commercial Properties

Intermountain Excavation provides expert septic system installation services tailored to meet the needs of both residential and commercial properties. Our experienced team ensures efficient, compliant, and long-lasting septic solutions designed specifically for your site.

We provide:


  • Site evaluation and soil analysis
  • Septic tank installation
  • Drain field design and construction
  • Permit acquisition and compliance management
  • System maintenance and repairs
  • Eco-friendly septic solutions


Contact Intermountain Excavation for a comprehensive septic system installation that meets local regulations and your property’s unique requirements.

Why You Need Professional Septic System Installation

A properly installed septic system is vital for protecting your property, your health, and the environment. Here’s why professional installation matters:

  • Ensures compliance with local regulations
  • Prevents groundwater contamination
  • Extends the lifespan of your septic system
  • Reduces the risk of costly repairs and replacements
  • Protects your property value
  • Maintains a healthy living environment


Trust Intermountain Excavation to deliver expert septic system installation that safeguards your investment and the surrounding ecosystem.

Why Choose Intermountain Excavation

Choosing the right contractor for your septic system installation is key to long-term performance and peace of mind. Here’s why Intermountain Excavation is the preferred choice in Idaho Falls, Rigby, Rexburg, and the surrounding areas:


  • 4th-generation family-owned business
  • Licensed, insured, and bonded
  • Excellent quality of work
  • Timely project completion
  • Thorough post-work cleanup
  • 3D laser grading for precision and accuracy
  • Free estimates


We’re committed to delivering reliable, high-quality septic solutions with professionalism and care.

Contact Us

Ready to install a dependable septic system for your property? Intermountain Excavation is here to help. Our skilled team will assess your site, provide expert recommendations, and guide you through every step of the installation process.

Don’t compromise on quality. Contact Intermountain Excavation today for a free estimate and take the first step toward a properly functioning septic system that will serve you for years to come.

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  • How long does it take to install a septic system?

    Septic system installation typically takes 3-5 days, depending on soil conditions, system size, and weather. Intermountain Excavation can provide a more accurate estimate after site evaluation.

  • How often does a septic system need maintenance?

    Septic systems should be inspected every 1-3 years and pumped every 3-5 years, depending on household size and system capacity.

  • What factors affect the cost of septic system installation?

    Costs vary based on system size, soil type, property layout, and local regulations. Intermountain Excavation can provide a detailed quote after assessing your property.

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3D LASER GRADING FOR PRECISION

Our advanced technology ensures unmatched accuracy in excavation. Get perfectly leveled surfaces for your construction projects.

Contact us for 

precise grading!

(208) 248-8490