Licensed Septic Companies in Grove, OK
6 septic companies serve Grove, Oklahoma, and 6 of them hold a Oklahoma septic license or certification matched to the Oklahoma Department of Environmental Quality list (data as of October 2026).
Septic services in Grove
Guides: Septic system installation · Aerobic septic systems · Installation cost · Pumping cost
6 septic companies in Grove
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Cook Excavating
PO Box 452097, Grove, OK 74345 · Delaware County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface) · #544 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation
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Crigers Backhoe and Dozer Service
31551 S 690 Rd, Grove, OK 74344 · Delaware County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray) · #261 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Excavation Unlimited LLC
29060 S 647 Pl, Grove, OK 74344 · Delaware County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface) · #1256 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation
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Jarrod Leach
PO Box 451251, Grove, OK 74345 · Delaware County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Drip) · #1043 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Jason D Nelson
PO Box 451006, Grove, OK 74345 · Delaware County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray, Aerobic Drip) · #450 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Mitchells Excavating
PO Box 450646, Grove, OK 74345 · Delaware County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Lagoon, Aerobic Spray, Aerobic Drip) · #291 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Septic licensing in Oklahoma
Oklahoma certifies septic installers by system type: subsurface, lagoon, aerobic spray and aerobic drip. The Oklahoma DEQ, Environmental Complaints and Local Services issues these credentials: Certified installer (subsurface, lagoon, aerobic spray, aerobic drip).
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Grove and whether the permit fee is in their quote.
Oklahoma septic licensing: agencies, license types and how to check a license →
Septic companies in Grove: common questions
How many licensed septic companies are in Grove, OK?
6 septic companies serve Grove, Oklahoma, and 6 of them hold a Oklahoma septic license or certification matched to the Oklahoma Department of Environmental Quality list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in Oklahoma?
Oklahoma certifies septic installers by system type: subsurface, lagoon, aerobic spray and aerobic drip. The licensing body is the Oklahoma DEQ, Environmental Complaints and Local Services.
Which companies install septic systems in Grove?
6 listings in Grove install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Oklahoma license.
How do I check a septic contractor's license in Oklahoma?
Use the Oklahoma DEQ, Environmental Complaints and Local Services's lookup (https://applications.deq.ok.gov/certinstallers/certinstallers.aspx) and search the contractor's name or license number. Our guide to checking a septic license walks through it.