
Berthoud, CO — Est. Front Range
Revitalizing
Infrastructure,
Restoring Nature
Locally owned excavation and environmental services for Colorado's Front Range and Southeastern Wyoming. We work with the land — not against it.
25+
Years in the field
02
States served
06
Core disciplines
100%
Licensed & insured
Our Field Doctrine
Do it right and make it look like we were never there.
Twenty-five years of low-impact excavation across two states. From trenchless technology to natural landscape integration, every job is measured by the same standard — precision you can depend on, and a site that looks untouched when we leave.
Capabilities
What We Do
Six disciplines, one standard. Low-impact solutions built to last across Colorado and Wyoming terrain.
Trenchless Pipe Repair
No-dig rehabilitation with the Bluelight LED curing system — a new jointless, corrosion-resistant pipe within the old one. No damage to yards, drives, or foundations.
Septic Installation
Design and installation of gravity, pressure-distribution, aerobic, and custom systems — from test pits and geotech through permitting and final inspection.
River Restoration
Stabilizing banks, rebuilding streambeds, and restoring floodplains — improving water quality and wildlife habitat across the Front Range.
Site Drainage
French drains, surface grading, catch basins, dry wells, and stormwater management engineered for Colorado and Wyoming soil and weather.
Boulder Scaping
Natural stone placed with precision — retaining walls, terracing, water features, and erosion control that's as structural as it is beautiful.
Pipe Fence Installation
Custom welded pipe fencing for ranches, farms, and commercial sites — straight, strong lines built to take the weather.
Field Log — Selected Projects

River Restoration
40.31°N · 105.08°W

Boulder Scaping
Custom Water Feature

Site Drainage
Berthoud, CO

The Operator
Built on Precision & Sustainability
We bring 25+ years of deep industry knowledge to every job. From trenchless technology to natural landscape integration, we specialize in low-impact solutions tuned to the soil, weather, and infrastructure of Colorado and Wyoming.
Gary Kolm
Owner / Operator
Gary leads Legacy Excavation LLC with over 25 years of hands-on excavation and environmental services experience across the Front Range and Southeastern Wyoming.
Free On-Site Estimate
Ready to Move Some Earth?
From septic systems to river restoration, we deliver results that are effective, durable, and environmentally responsible.
Request a Free Estimate