Underground Leak Detection & Repair in Commerce City, CO

The cost of an underground leak repair in Commerce City is driven by one variable more than any other: how precisely the failure location is identified before excavation begins. A 6-inch targeted excavation pit at the confirmed fracture point costs a fraction of a 6-foot trench segment opened to search for an unlocated leak. Tracer gas and acoustic detection locate buried line failures to within 6 to 18 inches before any shovel goes in the ground. Every dollar spent on detection before excavation returns several dollars in reduced excavation scope and site restoration cost.

Commerce City’s Adams County soil conditions add another variable. South Platte River alluvial deposits in valley floor zones, including most of Original Commerce City and Adams City, consist of sandy gravel that transmits water readily from a buried fracture. The wet spot at the surface may be 4 to 10 feet from the actual pipe fracture because water follows the gravel layer laterally before surfacing. Excavating at the wet spot rather than at the detected fracture location fails to reach the source in these alluvial zones.

Underground Leak Detection Methods

Tracer gas is the primary method for plastic pipe, including the SACWSD non-potable irrigation laterals serving Reunion, Belle Creek, and Buffalo Run master-planned communities. A nitrogen-hydrogen blend injected into the isolated circuit permeates through the pipe fracture, through the soil column, and surfaces above the leak point. A sensitive probe sweeping the surface in 6-inch passes identifies the concentration peak, locating the fracture to within about 6 inches regardless of burial depth up to 6 feet.

Acoustic correlation handles metal service lines including copper and galvanized steel. Two listening points at the SACWSD curb box and at a hose bib or valve near the house entry bracket the service line. Correlation software calculates the leak position as a distance from each point based on signal timing differential. For most Commerce City residential service line lengths of 20 to 60 feet, acoustic correlation locates the fracture to within 12 to 18 inches.

Reunion and Belle Creek properties have two SACWSD meters: one for indoor potable supply and one for the non-potable irrigation system. Underground leak symptoms in these properties require identifying which meter is moving before detection equipment is dispatched. The irrigation meter and the potable meter serve different pipe systems with different materials and different detection approaches.

Underground Repair Without Full Trenching

Pipe bursting replaces a full service line run from the SACWSD meter to the house entry with new HDPE pipe, using only two small access pits. A hydraulic bursting head fractures the old pipe outward while pulling the new pipe behind it. No open trench along the route. Spot excavation at the confirmed fracture location handles isolated failures in otherwise sound pipe. A 3-by-3-foot excavation pit at the located fracture point accesses the pipe for repair. Adams County clay soil requires careful compaction at backfill to prevent settlement that could stress the repaired section in subsequent seasonal clay movement cycles. Call (303) 552-3896 with the symptom description and we will run the SACWSD meter test sequence before scheduling a detection visit.

Call 24/7: (303) 552-3896

Frequently Asked Questions

Related Services

• Water Line Leak Detection & Repair
• Yard Leak Detection & Repair
• Irrigation Leak Detection & Repair
• Tracer Gas Leak Detection
• Sewer Line Leak Detection & Repair
• Pipe Leak Detection & Repair

Locations We Serve

• Reunion
• Belle Creek
• Original Commerce City
• Henderson border
• Villages at Buffalo Run