Mon–Fri 8:00 am–6:00 pm · Sat 9:00 am–2:00 pm · Sun Closed
Contact Us  |  Our Services  |  Service Area
Pinnacle Septic Group — Septic & Drainage in Thorngrove, TN

Trusted Septic & Drainage in Thorngrove Since 1987

Family-owned and proudly serving Thorngrove and the surrounding community. Free estimates, straight answers, and work guaranteed in writing.

Get a Free Estimate   Call (555) 555-0208
Pumping
Scheduled & emergency
Camera
See the line, not guess
Drain fields
Repair or rebuild
Installation
Permit to backfill

Recent Work & Featured Projects

A sample of recent jobs around Thorngrove. Every project was photographed, logged and backed by our written guarantee.

Grease trap, 3 locations

Grease trap, 3 locations

Commercial · quarterly
$340 each
New tank install, 1,500 gal

New tank install, 1,500 gal

Install · 3-day job
$6,900
French drain, 120 ft

French drain, 120 ft

Drainage · 2-day job
$5,400
Pump + valve service — 1476 gal tank

Pump + valve service — 1476 gal tank

Service · 2 hrs
$480
Pinnacle Septic Group at work in Thorngrove

What we do

Pinnacle Septic Group has been serving Thorngrove, TN and the surrounding community since 1987. What started as one truck and a phone number is now a full crew of licensed, background-checked technicians — and we still answer our own phones.

We keep our pricing honest and our schedules tight. Every job is inspected, photographed and backed by a written guarantee, and our office follows up on every single ticket. That's how we've kept Thorngrove homeowners calling us — and sending their neighbors.

  • Leach Field Evaluation
  • Drain Field Repair
  • Tank Inspection & Camera
  • New Tank Installation
  • Septic Tank Pumping
  • French Drain Installation
All Services
39+
Years in Business
1,400+
Jobs Completed
4.9
Average Rating
1,200+
Customer Reviews

Why Thorngrove Calls Us

More than 39 years of showing up on time and doing the job right. Here's what that looks like in practice.

On Time, Every Time

We run a tight schedule across Thorngrove and we honor it. If something shifts, you hear it from us first — not from an answering service.

Follow-Up That Happens

A week after the job, someone calls to make sure everything is still running. Most companies never pick up the phone after they're paid.

Licensed, Bonded & Insured

Every technician on the Pinnacle Septic Group crew carries the right credentials for the job — and every job is backed in writing. No surprises at the invoice.

Clean Job Sites

We arrive in drop cloths and boot covers, and we leave the place cleaner than we found it. Every single time.

What Our Customers Say

★★★★★

“We compared three companies for an emergency repair. Pinnacle Septic Group was the only one that answered the phone, showed up on time, and left the place cleaner than they found it. We'd call again without hesitation.”

— John W.
★★★★★

“Our a short circuit that tripped the breaker turned out to be worse than we thought, but the team walked us through the options in plain English. Fair pricing, tidy work, and they followed up a week later.”

— Emily J.
★★★★★

“Our water under the floor turned out to be worse than we thought, but the team walked us through the options in plain English. Fair pricing, tidy work, and they followed up a week later.”

— Michelle H.

Ready when you are

Whether it's an emergency or a weekend project, we're one call away. Estimates are free, and we answer our own phones.

3755 Quarters St, Thorngrove, TN 75710
Sales & Service: (555) 555-0208
Email: [email protected]

Map to Pinnacle Septic Group in Thorngrove, TN

Request a Free Quote