
Over 23 years serving our neighbors in , and — providing thorough inspections, real answers, and repairs done right the first time.

Coleman Aerobic Septic
Thorough Inspections That Go Below The Surface - Because What You Can't See Is What Matters Most
Give Us A Call - We'd love to visit with you!
“Keeping things flowing in Granbury since 2003.”
23 + Years Serving Local Systems. Licensed Electrician And Plumber On Staff. Trained And Certified By System Manufactures (Not Common In This Industry).
Services We're Proud Of


Quality Installations / Modifications You Can Count On
Our installations are carefully done with close attention to detail. Whether you need a new aerobic septic system or modifications to an existing one, proper design and installation matter. We make sure your system is installed correctly, built to last, and completed to your satisfaction.

We’re proud of the care and detail we put into every install. Here’s a sampling of our work.
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Rough Creek Lodge
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Fossil Rim
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Lake Granbury ER Fall Creek
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Wolf Hollow Power Plant



Thorough Inspection / Maintenance Contract
Meeting standards is important and will keep you compliant with local regulations. Exceeding expectations is what we strive for. We follow TCEQ, Hood County, and surrounding area requirements while going above and beyond for our customers.
$200 with Coleman Aerobic.
$315 with the competitor.
Same full maintenance—better value. You be the judge.
Standards are the starting point. Details are where quality shows.
See Contract

Repair - Trouble Shooting Is Where We Shine
From electrical issues to failed components, we diagnose the problem and fix it right the first time. With a licensed electrician and plumber on staff, we have the experience and expertise to get the job done properly.


Retail Sales
We carry common aerobic septic system supplies including chlorine tablets, aerators, pumps, floats, alarms, and other replacement components.

Aerobic septic systems are easy to forget—until there’s a problem. When that happens, experience matters.
After decades in the field, we know quick fixes don’t last. Honest communication, careful diagnostics, and long-term solutions do.
We don’t guess.
We don’t cut corners.
We don’t do band-aids.
We take the time to find the problem, explain what’s going on, and fix it the right way—because in septic work, the details matter.

At Coleman Aerobic, we’re committed to helping protect our community, our water, and our homes from the nasties septic systems are designed to handle.
What do we do if it is not to make life less difficult for each other?


