Houston vs Dallas
Side-by-side FOG compliance comparison betweenHouston, TX and Dallas, TX.
| Requirement | Houston, TX | Dallas, TX |
|---|---|---|
| Plumbing Code | IPC (Texas adopts IPC statewide; Houston amends locally) | IPC (Texas adopts IPC statewide; Dallas has local amendments) |
| Min. Trap Size | Verify required type and sizing with Houston permitting and the applicable plumbing code before installation | Minimum 750 gallons for gravity grease interceptors for FSEs; sizing per Dallas City Code and Texas Plumbing Code based on fixture count; hydromechanical grease interceptors minimum 20 GPM for limited food prep operations |
| Pumping Frequency | Verify the current service interval with the City of Houston grease-trap inspection program | Every 90 days minimum; more frequently if grease and solids exceed 25% of trap capacity |
| 25% Rule | — | Yes |
| Permit Required | Required | Required |
| Permit Fee | Current FOG Generator permit fee must be confirmed with the Houston Health Department | Grease trap permit required through Dallas Water Utilities Pretreatment Program; fees vary |
| Max Fine | Check the current Houston Code of Ordinances and enforcement notice for the applicable violation | $2,000 per violation per day under Dallas City Code; repeat violations subject to escalating enforcement including potential service disconnection |
| Inspections | Grease-trap inspections are handled by the City of Houston; confirm the applicable schedule directly | Dallas Water Utilities Pretreatment Division conducts inspections; annually for permitted FSEs; more frequently for non-compliant facilities |
| Record Keeping | Yes | Yes |
| Authority | Houston Public Works and Engineering Department; Houston Health Department (grease transporter licensing) | Dallas Water Utilities, Pretreatment Division |
| Establishments | 10,038 | 6,049 |
Key Differences
Even though both cities are in Texas, their FOG compliance requirements can differ significantly at the municipal level. Here are the most important differences restaurant operators should know:
- Houston follows the Uniform Plumbing Code (UPC), while Dallas uses the Uniform Plumbing Code (UPC). This affects trap sizing calculations and installation standards.
- Pumping schedules differ: Houston requires "Verify the current service interval with the City of Houston grease-trap inspect", whereas Dallas requires "Every 90 days minimum".
- Dallas enforces the 25% rule (traps must be pumped when grease and solids reach 25% of capacity), while Houston does not explicitly enforce this standard.
- Fines differ: Houston penalties can reach Check the current Houston Code of Ordinances and enforcement notice for the applicable violation, compared to $2,000 per violation per day under Dallas City Code; repeat violations subject to escalating enforcement including potential service disconnection in Dallas.
What This Means for Restaurant Operators
If you operate food service establishments in both cities, understanding these regulatory differences is critical for compliance. Permit requirements vary, so check with each city's wastewater authority before opening a new location. Different plumbing codes (IPC (Texas adopts IPC statewide; Houston amends locally) vs IPC (Texas adopts IPC statewide; Dallas has local amendments)) mean trap sizing calculations may produce different results for the same kitchen setup. Always verify current requirements directly with your local wastewater authority or plumbing inspector.
Frequently Asked Questions
How do grease trap requirements compare between Houston and Dallas?
Houston follows the Uniform Plumbing Code (UPC), while Dallas uses the Uniform Plumbing Code (UPC). This affects trap sizing calculations and installation standards. Pumping schedules differ: Houston requires "Verify the current service interval with the City of Houston grease-trap inspect", whereas Dallas requires "Every 90 days minimum".
Which city has stricter grease trap enforcement, Houston or Dallas?
Enforcement varies: both cities have similar permit requirements. Houston fines: Check the current Houston Code of Ordinances and enforcement notice for the applicable violation. Dallas fines: $2,000 per violation per day under Dallas City Code; repeat violations subject to escalating enforcement including potential service disconnection. Always verify with local authorities.
How do pumping schedules differ between Houston and Dallas?
Houston: Verify the current service interval with the City of Houston grease-trap inspection program. Dallas: Every 90 days minimum; more frequently if grease and solids exceed 25% of trap capacity.
Last verified: — Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions.
Operating in Both Cities?
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