Septic Systems & Perc Tests
Licensed for site evaluation, perc and soils testing, system design, and installation — complete turnkey service from evaluation through finished septic system.
Southern Utah excavation & site work
We make tough ground work.
Mammoth Creek Excavation provides practical excavation, grading, septic, trenching and tight-access solutions for mountain properties and challenging sites across Southern Utah.
Licensed, Bonded & Insured
Septic Perk Tests — Level 3 — Fast Results
Hoe Ram Services — Hard Rock Excavation
Tight-Access Specialist
Mammoth Creek, Utah
Local knowledge. Broad construction experience.
Built for mountain roads, remote lots, cabins, utilities, septic systems and the work other crews may not want to tackle.
One call. Real experience.
From first cut to final grade.
WeDig435.com is the home of Mammoth Creek Excavation—serving property owners, builders and mountain communities with excavation work that is planned carefully, completed efficiently and treated like it matters.
Our background spans excavation and grading, residential and small-commercial construction, utilities, plumbing, mechanical work, framing, ponds and lakes. That broad experience helps us see the entire job—not just the dirt in front of the machine.
What we do
Excavation services for real-world sites.
From small access-sensitive jobs to major site preparation, we focus on work that solves the problem and respects the property.
Excavation, Grading & Hard Rock
Building pads, basements, footings, driveways, drainage improvements, finish grading, and hard rock excavation for challenging Southern Utah sites. Hoe Ram services available.
Utility Trenching
Trenching and excavation for water, power and other underground utility installations.
Tight-Access Work
Focused excavation for difficult mountain lots and places where access limits ordinary equipment.
Water & Drainage
Water tanks, drainage correction, flood-control work, river-bed and waterfront-related excavation.
Ponds, Pools & Site Features
Excavation for ponds, pools, retaining-wall footings and specialty property improvements.
Why Mammoth Creek Excavation
Experience beyond the excavator.
Decades of contracting experience in Southern Utah and Nevada provide a broader view of how excavation affects foundations, utilities, drainage, access and the finished project.
✓Show up prepared.
Clear communication and practical planning before work begins.
Clear communication and practical planning before work begins.
✓Work efficiently.
Move the project forward without unnecessary disruption.
Move the project forward without unnecessary disruption.
✓Respect the site.
Mountain property deserves careful equipment operation and thoughtful disturbance control.
Mountain property deserves careful equipment operation and thoughtful disturbance control.
✓Finish with purpose.
The goal is a job that works correctly after the machine leaves.
The goal is a job that works correctly after the machine leaves.
Credentials & capabilities
Built on hands-on construction knowledge.
Current website information lists Mammoth Creek Excavation as licensed, bonded and insured, with Utah onsite/septic and water-system credentials.
Utah Contractor License
UCL #9248912-5501
Utah Certified Water System Operator
Certificate #181867
Septic / Onsite Systems
Utah Certificate #03091-OSP-3
Credential details should be verified before final publishing so the live site always displays current certification levels and expiration status.
Service area
Mountain communities across Southern Utah.
Based in the Mammoth Creek area and serving surrounding cabin, residential and recreation communities.
Mammoth CreekDuck CreekPanguitch Lake
Brian HeadNavajo LakeStrawberry Point
Swains CreekSurrounding Areas
The 435 approach
Tell us what the property needs. We’ll talk through the job.
Mountain excavation is rarely one-size-fits-all. Access, slope, soil, drainage, utilities and septic requirements can all change the plan. A quick call is often the best place to start.
Talk to Jim
Start a project
Request a quote.
Tell us what you need and where the project is located. For the fastest response, call directly.
Mammoth Creek Excavation
WeDig435.com