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Manhole Inspections

Manholes aren’t just holes in the ground—they’re critical guardians of your sewer system’s integrity. Yet, over 50% of U.S. manholes were installed before 1960, and they account for as much as 90% of sewer system inflow and infiltration (I/I)—making them far more… Read More »Manhole Inspections

Smoke Testing

We treat smoke testing not as a quirky afterthought—but as a powerful, trenchless inspection method that sniff-checks your entire sewer system for leakage, defects, and unwanted water intrusion. If you’re fighting rising treatment costs, basement backups, or I/I headaches, this… Read More »Smoke Testing

CCTV

At GCU, we don’t settle for guesswork when it comes to your underground infrastructure. Leaky joints, debris buildup, and root intrusion can quietly wreck performance—and costs—until things blow. That’s why our CCTV inspections paired with cleaning services are the most powerful duo… Read More »CCTV

GCU Joins HGACBuy

What This Means for Buyers GCU (Gulf Coast Underground) is proud to announce that we are now an approved supplier with HGACBuy, one of the nation’s most trusted cooperative purchasing programs. This partnership opens the door for municipalities, government agencies,… Read More »GCU Joins HGACBuy