Underground detention and stormwater control measures (SCMs) for tight sites, parking lots and developments.

In Marble Falls we keep finding the same thing under the parking lots and common areas: a subsurface vault or chamber system that was sized correctly on paper and has been quietly losing capacity to granite sediment ever since. Pull the lid on a system serving a Horseshoe Bay retail pad or a Gregg Ranch complex and you will often find a forebay packed with pink granite grit, an outlet partly choked, or a drawdown that takes twice as long as the design intended.
The ground here does not help. Thin soil sitting on pink granite sheds water fast and carries fines into the first chamber it reaches, and a hard rain off the lake watershed can load a system in an afternoon. We also see bare cut slopes above inlet structures, volunteer trees rooting into embankments at Meadowlakes properties, and pipe joints that have shifted where rock outcrops forced a tighter bend than a flatter site would need.
Working with us on this scope means a crew that walks the system before quoting, cleans and jetts what is actually blocked instead of a standard checklist, and keeps your compliance schedule intact whether you are an HOA board, a property manager, or a GC closing out a development. We work to the plan the property engineer already approved, and we coordinate around tenants and residents instead of around our own convenience.
We're a local, family-built company that treats your Marble Falls property like our own, tidy crews, clear pricing, and subsurface stormwater control measures that holds up to Burnet County conditions. Available as a one-time project or part of an ongoing plan.
A subsurface stormwater control measure is used when there isn't room for a surface pond, tight commercial lots, parking areas and dense developments. The system goes underground (chambers, vaults or pipe galleries) and stores or infiltrates stormwater beneath the site, freeing up the surface for parking or building.
Yes. Subsurface SCMs accumulate sediment and debris and must be inspected, cleaned and jetted on a schedule to keep working and stay compliant. We service, clean and retrofit underground detention and infiltration systems throughout Central Texas.
We schedule a free on-site visit, usually within 48 hours, and open or locate the access points on the chamber or vault system to see what is actually happening underground. On granite-country sites around Horseshoe Bay or Meadowlakes, that often means pulling a lid and running a camera or a probe before we quote anything, since guessing at a system buried under caliche and rock serves nobody.
Most systems on Highland Lakes properties need a real inspection and cleaning once a year, with a closer look after any heavy runoff event off the granite slabs common to this area. Developments still under a compliance schedule with the property engineer or the county may need more frequent service, and we work off whatever maintenance interval your plan or association already requires.
Yes. Retail centers and HOA common areas in Gregg Ranch and similar developments stay occupied during the work, so we stage around active parking, cone off only the section we need, and schedule jetting or vault access for lower-traffic hours when the board or property manager asks for it. We coordinate timing before the crew shows up, not after.
Thin soil over pink granite does not let water move the way engineers sometimes assume on paper, so subsurface chambers and pipe runs here tend to show slower drawdown and more sediment carried in from exposed rock faces and cut slopes. Flash rainfall off Highland Lakes watersheds can load a forebox fast, so inlets and outlet structures need checking more often than a flatland site would.
Access is usually the biggest factor, since a vault buried under a granite outcrop or a tight parking structure takes longer to reach than an open field site. The amount of sediment and debris already in the system, the length of pipe run, and whether we are cleaning an existing system versus retrofitting an undersized one all move the number as well.
Free, no-pressure estimate from a local crew. Call (737) 404-9343 or request a quote online.