Hennessey Septic Tank LLC in Hennessey, OK

4.9 from 6 Google reviewsOpen 24 hours, seven days a week

7252 US-81, Hennessey, OK 73742(405) 853-1367

Septic Service Categories

These are how Google lists the business, not proof of a service offered.

Septic system service

Open 24 hours, seven days a week

4.9 6 Google reviews

Debbie W.
June 2026

Preston and his crew did a great job in spite of all the rain. He and Eric kept in touch throughout the whole process. Highly recommend them!!
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Amy P.
March 2026

They're the best! Highly recommend!!
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Rachel K.
February 2026

We called and got next day service. Guy was very personable and knew what he was doing . This will be our go to company for septic clean out. Thank you!
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Deidra B.
December 2025

Fast, professional service at an affordable price. Highly recommend.
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Truth F.
December 2025

We have called Hennessey Septic many times in a bind. Every time they have come running. Every time the employees are super friendly. Every time they help us immensely to get the job done. Can’t say enough good about these great people!!!!!!’
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Hennessey Septic Tank LLC7252 US-81, Hennessey, OK 73742

4.9 stars from 6 Google reviews.