If you’re planning a new build or dealing with septic system issues in the Helena area, getting the right excavation and installation partner is essential. At Schaefer Excavating, we specialize in septic tank installation and repair in Helena, MT, offering a full range of services from system design to drain field excavation and DEQ compliance.
Whether you’re developing land on the outskirts of Helena or upgrading an outdated system, we’re the trusted name for efficient, code-compliant septic work that’s built to last.
Why Septic System Work in Helena Demands Expertise
The terrain and seasonal weather in Helena add unique challenges to septic system performance. From rocky soils to spring thaw, you need a system that’s engineered specifically for Montana conditions.
We bring decades of excavation experience across Lewis & Clark County — ensuring every septic tank install in Helena, MT meets both your needs and local environmental requirements.
Our Septic Services in Helena, MT
We handle septic system installation and septic repair from start to finish:
✔️ New Septic System Installation
For new homes or commercial projects, we manage everything including:
Perc testing and soil evaluation
DEQ paperwork and approvals
Septic tank excavation
Drain field excavation and leveling
Mound system installation (when needed)
Level II treatment system installation for environmentally sensitive zones
Final grading and backfill
We understand DEQ guidelines and handle all local permitting for seamless compliance.
✔️ Septic System Repairs
If your septic system is backing up, draining slowly, or showing signs of failure, we provide:
Septic tank replacement
Drain field replacement or expansion
Frozen septic line repair
Septic riser installation for easy access
System upgrades to meet modern treatment requirements
Emergency septic repair
We help homeowners avoid complete system failure with timely, cost-effective solutions.
✔️ Drain Field Installation in Helena
The drain field is one of the most critical components of your system. It handles the final filtration of wastewater. We ensure:
Proper soil absorption
Correct sizing based on usage
Durable trenching and gravel base
Slope grading to prevent pooling or contamination
Need to install a mound system due to high water table or poor soil? We can do that too.
Serving Helena’s Neighborhoods and Surrounding Areas
We work across all parts of Helena and the surrounding region, including:
East Helena
Montana City
Clancy
Birdseye
Lincoln Road neighborhoods
Rural properties throughout Lewis & Clark County
From subdivision builds to off-grid cabins, we tailor each septic solution to your property and location.
Montana DEQ Septic Compliance Made Easy
Navigating the Montana Department of Environmental Quality (DEQ) process can be overwhelming. We streamline it by handling:
Initial site assessment
Soil evaluation and percolation test
System design for DEQ submittal
Inspections and documentation
Our experience with DEQ septic system requirements in Helena, MT means you’ll avoid costly delays.
Common Septic System Problems We Fix
Do you see standing water in your yard, septic backup, or wet basement issues? These could be signs of septic or drainage system failure. We offer excavation-based solutions to fix:
Improper drainage slopes
Clogged or collapsed lines
Failing tanks or full systems
Oversaturated drain fields
Frozen or cracked lines in winter
Don’t wait for the system to fail — we diagnose and repair septic issues before they become emergencies.
Why Helena Homeowners Choose Schaefer Excavating
✔️ Local experience with Montana soils and codes
✔️ Licensed and insured for residential and commercial work
✔️ Heavy equipment suited for big and small projects
✔️ Trusted name in excavation and septic installation
✔️ Free estimates and clear timelines
We don’t just dig holes — we help develop properties with smart infrastructure from the ground up.
Add-On Excavation Services
Need more than just septic work? Ask about:
Driveway excavation
Foundation digging
Utility trenching
Concrete slab prep
Gravel and topsoil delivery
We’re a full-service excavation company supporting everything from new builds to rural property upgrades.
Get a Free Quote for Septic Installation in Helena, MT
Whether you’re starting fresh or fixing a failing system, trust Schaefer Excavating for fast, reliable, and locally compliant septic services.
📍 Based in Montana. Proudly serving Helena, East Helena, Montana City, and surrounding areas.





