San Antonio vs El Paso
Side-by-side FOG compliance comparison between San Antonio, TX and El Paso, TX.
| Requirement | San Antonio, TX | El Paso, TX |
|---|---|---|
| Plumbing Code | IPC (Texas adopts IPC statewide) | IPC |
| Min. Trap Size | Minimum 750 gallons for gravity grease interceptors for FSEs; sizing per SAWS requirements and Texas Plumbing Code; smaller hydromechanical interceptors (20-50 GPM) allowed for limited food prep | 750 gallons (gravity interceptor); smaller point-of-use units sized per fixture count and flow rate |
| Pumping Frequency | Every 90 days minimum; SAWS Grease Trap Procedure Manual specifies cleaning must occur before grease and solids exceed 25% of trap capacity | Minimum every 90 days; more frequently if 25% rule is triggered |
| 25% Rule | Yes | Yes |
| Permit Required | Required | Required |
| Permit Fee | FOG permit/registration through SAWS; fees approximately $75-$200 annually | No separate FOG permit fee published; covered under wastewater discharge permit |
| Max Fine | $2,000 per violation per day under City of San Antonio ordinance; SAWS can also assess surcharges for non-compliance | $2,000 per violation per day |
| Inspections | SAWS conducts routine inspections; typically annually for FSEs; increased frequency for repeat violators | At least annually; high-risk facilities inspected more frequently |
| Record Keeping | Yes | Yes |
| Authority | San Antonio Water System (SAWS) | El Paso Water (EPWater) - Wastewater Pretreatment Division |
| Establishments | 4,282 | 1,814 |
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:
- San Antonio follows the Uniform Plumbing Code (UPC), while El Paso uses the International Plumbing Code (IPC). This affects trap sizing calculations and installation standards.
- Pumping schedules differ: San Antonio requires "Every 90 days minimum", whereas El Paso requires "Minimum every 90 days".
- Both cities enforce the 25% rule, requiring grease traps to be pumped when grease and solids reach 25% of the trap's capacity.
- Fines differ: San Antonio penalties can reach $2,000 per violation per day under City of San Antonio ordinance; SAWS can also assess surcharges for non-compliance, compared to $2,000 per violation per day in El Paso.
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) vs IPC) 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 San Antonio and El Paso?
San Antonio follows the Uniform Plumbing Code (UPC), while El Paso uses the International Plumbing Code (IPC). This affects trap sizing calculations and installation standards. Pumping schedules differ: San Antonio requires "Every 90 days minimum", whereas El Paso requires "Minimum every 90 days".
Which city has stricter grease trap enforcement, San Antonio or El Paso?
Enforcement varies: both cities have similar permit requirements. San Antonio fines: $2,000 per violation per day under City of San Antonio ordinance; SAWS can also assess surcharges for non-compliance. El Paso fines: $2,000 per violation per day. Always verify with local authorities.
How do pumping schedules differ between San Antonio and El Paso?
San Antonio: Every 90 days minimum; SAWS Grease Trap Procedure Manual specifies cleaning must occur before grease and solids exceed 2. El Paso: Minimum every 90 days; more frequently if 25% rule is triggered.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.
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