Phoenix vs Arlington
Side-by-side FOG compliance comparison between Phoenix, AZ and Arlington, TX.
| Requirement | Phoenix, AZ | Arlington, TX |
|---|---|---|
| Plumbing Code | UPC (Arizona adopts UPC statewide) | IPC |
| Min. Trap Size | Gravity grease interceptors minimum 750 gallons for food service establishments; sizing per Phoenix City Code and Arizona Plumbing Code based on fixture count and flow rate; point-of-use interceptors minimum 20 GPM | Based on total potential flow from all food prep/handling/serving fixtures per city sizing spreadsheet |
| Pumping Frequency | Every 90 days minimum; more frequently if grease accumulation exceeds 25% of capacity | Per TCEQ model standards; minimum every 90 days or per 25% rule |
| 25% Rule | Yes | Yes |
| Permit Required | Required | Required |
| Permit Fee | Industrial pretreatment/FOG permit required; registration fees typically $50-$150 annually | Contact Water Resource Services at 817-459-5902 |
| Max Fine | $2,500 per violation per day under Phoenix City Code; administrative penalties may also apply | Up to $2,000 per violation per day under Texas Local Government Code |
| Inspections | City of Phoenix Environmental Services Division inspects FSEs; frequency varies, typically annually for permitted facilities | Periodic inspections by Water Resource Services |
| Record Keeping | Yes | Yes |
| Authority | City of Phoenix Water Services Department, Environmental Services Division | City of Arlington Water Resource Services |
| Establishments | 8,992 | 4,506 |
Key Differences
As cities in different states, Phoenix (AZ) and Arlington (TX) operate under distinct regulatory frameworks. Here are the most important differences restaurant operators should know:
- Phoenix follows the Uniform Plumbing Code (UPC), while Arlington uses the International Plumbing Code (IPC). This affects trap sizing calculations and installation standards.
- Pumping schedules differ: Phoenix requires "Every 90 days minimum", whereas Arlington requires "Per TCEQ model standards".
- 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: Phoenix penalties can reach $2,500 per violation per day under Phoenix City Code; administrative penalties may also apply, compared to Up to $2,000 per violation per day under Texas Local Government Code in Arlington.
What This Means for Restaurant Operators
If you operate food service establishments in either city, 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 (UPC (Arizona adopts UPC 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 Phoenix and Arlington?
Phoenix follows the Uniform Plumbing Code (UPC), while Arlington uses the International Plumbing Code (IPC). This affects trap sizing calculations and installation standards. Pumping schedules differ: Phoenix requires "Every 90 days minimum", whereas Arlington requires "Per TCEQ model standards".
Which city has stricter grease trap enforcement, Phoenix or Arlington?
Enforcement varies: both cities have similar permit requirements. Phoenix fines: $2,500 per violation per day under Phoenix City Code; administrative penalties may also apply. Arlington fines: Up to $2,000 per violation per day under Texas Local Government Code. Always verify with local authorities.
How do pumping schedules differ between Phoenix and Arlington?
Phoenix: Every 90 days minimum; more frequently if grease accumulation exceeds 25% of capacity. Arlington: Per TCEQ model standards; minimum every 90 days or per 25% rule.
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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