Underground Leaks · Loveland, CO · Larimer County
Underground Leak Detection & Repair in Loveland, CO
The most expensive leaks in Loveland are the ones nobody sees. A buried line can lose water for a season before the first symptom surfaces, and by then the bill, the soil saturation, and the guesswork excavation quotes have all been compounding quietly underground.
Everything That Leaks Below Grade
Underground is a category, not a single pipe. Beneath a typical Loveland lot run the water service, irrigation mains and laterals, the sewer lateral, and sump and downspout discharge lines. Some lots add pool plumbing or a line feeding a detached garage or shop. Any of the water-bearing ones can leak, and from the surface their failures look almost the same: soggy ground, lush stripes, settling soil, or water showing up where it has no business.
Sorting which system is leaking comes before locating where. A meter check clears or blames the water service. Zone testing does the same for irrigation. Flow and dye testing covers the drain side. Only after the guilty system is named does pinpoint work begin. Aiming precision at the wrong pipe is just costly noise.
A City Built on Ditches Knows Wet Ground
Loveland has moved water underground and across fields since the ditch companies of the 1870s and 1880s cut irrigation canals through the valley, and some of those alignments still thread between modern lots. That history matters practically: not every wet patch is a leak. Seasonal ditch seepage, a neighbor’s sprinkler overspray, and a high melt-season water table all mimic buried leaks. Homeowners have paid for digs that found nothing but honest groundwater.
Our first job on an underground call is telling those apart. Water chemistry offers one clue: treated supply water carries a chlorine trace that groundwater lacks. Timing offers another. A supply leak is constant. Irrigation season, ditch schedules, and melt all follow calendars. The wet spot’s behavior across a week usually names its source.
The Locating Toolkit, Deployed in Order
Electronic line tracing comes first. It maps the route and depth of the target pipe, so every later reading has a map under it. Acoustic correlation follows on lines under pressure. Sensors at two access points listen to the leak’s noise and compute its spot between them, good to a shovel’s width in fair conditions. Ground microphones sweep and confirm at the surface.
When soil, depth, or pipe material defeat sound, tracer gas takes over: a safe helium mix pumped into the closed-off line escapes at the break and rises through soil to a detector sweeping above. Between those methods, nearly any buried water leak on a home lot can be found without digging to explore. That is the whole point of the craft.
Irrigation-Heavy Ground Is Its Own Puzzle
The golf-course streets around Mariana Butte and the newer landscapes east of I-25 stack several watering systems over the same soil. A leak reading there has to contend with scheduled irrigation wetting the ground on purpose. We test with the sprinklers locked out and the zones shut off one by one. A confusing lot turns back into a readable one. Dedicated coverage of sprinkler systems lives on the irrigation leak page.
Repairs follow the locate. A spot fix means digging at the marked point. Failed runs under hardscape get replaced by directional boring. Where soil movement or rock contact caused the break, the new section gets re-bedded so it does not inherit the old one’s enemies.
What an Underground Call Sounds Like
Callers rarely say "underground leak." They say the water bill tripled, or the side yard squishes, or there is a wet ring around a sprinkler head that never runs. All of those are complete requests. Bring the symptom to (303) 552-3896 and the sorting, tracing, and locating are the job, not homework you owe before calling.
Buried leaks are the category where waiting costs the most, because soil hides volume. If the meter moves with the house shut off, the loss is real and continuous whether or not the grass shows it yet.
✆ Call (303) 552-3896Buried Leak Questions
How accurate is underground leak locating, really?
On a pressurized line with decent access, correlation plus ground microphone work typically marks the failure within a foot or two, often better. Accuracy drops with very deep lines, heavy clay, and quiet low-pressure leaks, which is when tracer gas earns its place. We tell you the confidence level before anyone digs.
Is tracer gas safe for my pipes and yard?
Yes. The industry-standard mix is a small fraction of hydrogen or helium in nitrogen, inert at those concentrations, introduced at controlled pressure into a line already taken out of service. It leaves no residue in the pipe and nothing in the soil beyond a gas that disperses in minutes.
Do I need to call utility locates before you work?
Before any excavation, Colorado 811 locates are required and we handle that scheduling as part of the job. Detection itself is non-invasive and needs no locate tickets, which is one more reason to locate first and dig second.
The wet spot dries up every winter. Leak or not?
A pressurized leak does not take winters off, so full seasonal disappearance points toward irrigation, ditch seepage, or water table behavior instead. One caveat: a leaking irrigation main that is blown out each fall goes dormant with the system. Zone isolation in season answers it definitively.