Looking for a grease trap service in Hennessey, OK? Describe your project once and up to three grease trap haulers who work in Hennessey and Kingfisher County get back to you with a quote. It's free and there is no obligation.
Hennessey is home to about 2,223 people (2024 Census Bureau estimate), a growing community (+3.4% since 2020). With 600 people per sq mi, it is a semi-rural area. Restaurants and commercial kitchens here must follow the local fats, oils and grease program.
Hennessey at a glance
- Population (Census Bureau estimate, 2024)
- 2,223 (+3.4% since 2020)
- Rank in Oklahoma
- 137th of 591 cities and towns
- Land area
- 3.7 sq mi
- Population density
- 600 people per sq mi (semi-rural)
- Type
- Town (Hennessey town)
- Main county
- Kingfisher County
What to check before hiring in Hennessey
- FOG program: check Hennessey's pumping frequency and record requirements.
- Permits: haulers must be permitted to transport and dispose of grease waste.
- Records: keep every manifest for inspections.
- Price drivers: trap size, frequency, access and disposal.
Useful official resources
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EPA: national pretreatment program
Official information and guidance.
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IAPMO
Official information and guidance.
Services available in Hennessey
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Grease trap pumping
Scheduled pumping and cleaning, with manifests for the city's FOG program.
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Grease interceptor installation
Installation or replacement of a grease interceptor by a licensed plumber.
Frequently asked questions in Hennessey
How much does grease trap pumping cost in Hennessey, OK?
It depends on trap size, frequency and access. Describe your kitchen: haulers who serve Hennessey reply with a quote.
Can pumping be scheduled after hours?
Most haulers offer early or late service.
What happens if I skip pumping?
Backups, odors and fines from the city.
Which grease trap haulers will contact me?
Up to three independent grease trap haulers who serve Hennessey and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.