Tree Roots & Sewer Blockages in Colorado

The Arid Colorado Climate and Tree Root Hydrotropism

Colorado's semi-arid high-plains climate receives an average of only 14 to 17 inches of precipitation annually. In mature suburban and historic neighborhoods throughout Littleton, Loveland, and Brighton, massive shade trees—including Plains Cottonwoods, Silver Maples, Siberian Elms, and Green Ashes—require hundreds of gallons of water daily during peak summer growth. In their quest for survival, tree root systems exhibit aggressive positive hydrotropism, actively growing toward sources of subterranean moisture, oxygen, and nutrients.

An underground residential sewer lateral is an ideal oasis for thirsty trees. Carrying warm, nutrient-rich wastewater, sewer pipes continuously generate vapor condensation along their outer surfaces. Tree root tips detect this microscopic moisture gradient and follow it directly to the pipe joints.

Microscopic hair-like tree roots penetrate pipe joints, rapidly expanding into dense, solid clogs.

How Roots Enter and Destroy Sewer Laterals

Tree roots do not punch directly through the solid walls of intact pipes. Instead, they exploit pre-existing structural vulnerabilities:

• Vitrified Clay Tile Joints: In homes built before the late 1970s, sewer laterals were constructed from three-foot sections of clay pipe. The mortar or tar used to seal these bell-and-spigot joints deteriorates over decades, or is fractured by expansive clay soil movement. Hairline feeder roots penetrate these micro-gaps effortlessly.
• Rapid Internal Expansion: Once inside the moist, nutrient-dense pipe interior, root tips branch exponentially into dense, fibrous root mats that resemble a sponge. These root curtains trap toilet paper, culinary grease, and solid waste, completely choking the four-inch lateral within months.
• Pipe Disruption and Collapse: As roots grow in girth inside the joint, their outward radial force acts like a wedge, cracking the clay collar, lifting pipe sections out of alignment, and eventually causing complete lateral collapse.

Comparing Solutions: Rooter Snaking vs. Hydro Jetting

When roots choke your main sewer line, understanding the difference between temporary relief and thorough clearing is crucial:

Mechanical Rooter Snaking

A motorized drain snake with rotating C-cutter blades bores a two to three-inch hole through the center of the root mass. While this quickly restores drainage and relieves active backups, it leaves significant root curtains clinging to the pipe walls. Within weeks, those remaining roots resume rapid growth, leading to another stoppage in three to six months.

High-Pressure Hydro Jetting

Hydro jetting delivers water pressurized up to 4,000 PSI through specialized forward and backward-facing rotating carbide nozzles. The high-velocity water jets shear root curtains cleanly against the pipe circumference, scouring away grease and mineral scale, and flushing debris completely out to the municipal main. Hydro jetting provides thorough, long-lasting hydraulic restoration.

High-pressure 4,000 PSI hydro jetting shearing dense root masses and restoring full pipe diameter.

Permanent Root Eradication via Trenchless CIPP Relining

Because tree roots enter through joints and fractures, hydro jetting cleans the pipe but leaves the entry points open. The only way to stop roots permanently without cutting down mature landscape trees is seamless trenchless epoxy relining (CIPP):

1. The line is hydro-jetted and mechanically descaled to remove all root remnants and build-up.
2. A seamless epoxy-saturated felt tube is inverted through the lateral from an exterior cleanout.
3. The liner cures into a rock-hard, jointless fiberglass sleeve that completely seals all fractures and joints.
4. With no joints or seams remaining, moisture cannot escape, and roots cannot re-enter the line for decades.