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Grady County, Oklahoma

Licensed Septic Companies in Grady County, OK

7 septic companies serve Grady County, Oklahoma, and 7 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 Grady County

Guides: Septic tank pumping · Septic system installation · Aerobic septic systems · Installation cost · Pumping cost

7 septic companies in Grady County

Blanchard 3

  • Chris Mooter Water Well Service

    2038 County Street 2970, Blanchard, OK 73010

    • Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray) · #1113 (Oklahoma Department of Environmental Quality, verify)

    Per state license: Installation · Aerobic systems

    (405) 668-2336

  • Dodco Inc

    2336 Cr 1323, Blanchard, OK 73010

    • Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray) · #1219 (Oklahoma Department of Environmental Quality, verify)

    Per state license: Installation · Aerobic systems

    (405) 314-1757

  • Williams Backhoe Service

    2191 Cs 2950, Blanchard, OK 73010

    • Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray) · #612 (Oklahoma Department of Environmental Quality, verify)

    Per state license: Installation · Aerobic systems

    (405) 953-6764

Tuttle 2

Chickasha 1

Mustang 1

  • Owens Septic Service

    PO Box 1001, Mustang, OK 73064

    • Licensed: Oklahoma DEQ Certified Septic Installer (Aerobic Spray) · #1034 (Oklahoma Department of Environmental Quality, verify)
    • Licensed: Oklahoma DEQ Certified Septic Installer (Aerobic Spray) · #1223 (Oklahoma Department of Environmental Quality, verify)

    Per state license: Installation · Aerobic systems

    (405) 987-9169

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 Grady County and whether the permit fee is in their quote.

Oklahoma septic licensing: agencies, license types and how to check a license →

Septic companies in Grady County: common questions

How many licensed septic companies are in Grady County, OK?

7 septic companies serve Grady County, Oklahoma, and 7 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 pump septic tanks in Grady County?

1 of the 7 listings in Grady County offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.

Which companies install septic systems in Grady County?

7 listings in Grady County 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.