Mesa vs Tucson
Side-by-side FOG compliance comparison betweenMesa, AZ and Tucson, AZ.
| Requirement | Mesa, AZ | Tucson, AZ |
|---|---|---|
| Plumbing Code | IPC | IPC (City of Tucson adopts amended IPC; 2018 IPC Amendments document governs local requirements) |
| Min. Trap Size | Per Mesa Ordinance 3434 and Industrial User Permit specifications | Grease interceptors sized per the International Plumbing Code (as amended by Pima County/City of Tucson). Minimum 750 gallons for exterior gravity interceptors serving full-service restaurants. Hydromechanical grease interceptors sized by GPM per connected fixture drainage load. Sizing per IPC Chapter 10 with local amendments. |
| Pumping Frequency | Every 90 days or when FOG/solids reach 25% capacity, whichever is first | Minimum every 90 days (quarterly). Pumping required more frequently if the 25% rule is triggered. |
| 25% Rule | Yes | Yes |
| Permit Required | Required | Required |
| Permit Fee | Industrial User Permit required; contact City of Mesa for fee | Wastewater discharge permit required; fees vary by establishment class. Contact Pima County Regional Wastewater Reclamation Department for current fee schedule. |
| Max Fine | Administrative penalties per Mesa City Code; escalating enforcement | Up to $10,000 per day per violation under Pima County Code. Additional penalties for willful or repeated violations. Costs of remediation may be assessed to the violator. |
| Inspections | Routine and unannounced inspections by city officials | Pima County conducts routine inspections on a risk-based schedule. Typically annual for compliant facilities; quarterly or more frequent for repeat violators or high-risk FSEs. |
| Record Keeping | Yes | Yes |
| Authority | City of Mesa Industrial Pretreatment Program | Pima County Regional Wastewater Reclamation Department; City of Tucson Water Department, Environmental Services Division |
| Establishments | 8,992 | 1,862 |
Key Differences
Even though both cities are in Arizona, their FOG compliance requirements can differ significantly at the municipal level. Here are the most important differences restaurant operators should know:
- Mesa follows the International Plumbing Code (IPC), while Tucson uses the Uniform Plumbing Code (UPC). This affects trap sizing calculations and installation standards.
- Pumping schedules differ: Mesa requires "Every 90 days or when FOG/solids reach 25% capacity, whichever is first", whereas Tucson requires "Minimum every 90 days (quarterly). Pumping required more frequently if the 25% r".
- 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: Mesa penalties can reach Administrative penalties per Mesa City Code; escalating enforcement, compared to Up to $10,000 per day per violation under Pima County Code. Additional penalties for willful or repeated violations. Costs of remediation may be assessed to the violator. in Tucson.
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 vs IPC (City of Tucson adopts amended IPC; 2018 IPC Amendments document governs local requirements)) 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 Mesa and Tucson?
Mesa follows the International Plumbing Code (IPC), while Tucson uses the Uniform Plumbing Code (UPC). This affects trap sizing calculations and installation standards. Pumping schedules differ: Mesa requires "Every 90 days or when FOG/solids reach 25% capacity, whichever is first", whereas Tucson requires "Minimum every 90 days (quarterly). Pumping required more frequently if the 25% r".
Which city has stricter grease trap enforcement, Mesa or Tucson?
Enforcement varies: both cities have similar permit requirements. Mesa fines: Administrative penalties per Mesa City Code; escalating enforcement. Tucson fines: Up to $10,000 per day per violation under Pima County Code. Additional penalties for willful or repeated violations. Costs of remediation may be assessed to the violator.. Always verify with local authorities.
How do pumping schedules differ between Mesa and Tucson?
Mesa: Every 90 days or when FOG/solids reach 25% capacity, whichever is first. Tucson: Minimum every 90 days (quarterly). Pumping required more frequently if the 25% rule is triggered..
Last verified: — Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions.
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