Chicago vs Arlington
Side-by-side FOG compliance comparison between Chicago, IL and Arlington, TX.
| Requirement | Chicago, IL | Arlington, TX |
|---|---|---|
| Plumbing Code | IPC (Chicago Building Code based on International Plumbing Code with local amendments) | IPC |
| Min. Trap Size | Grease interceptors sized per Chicago Building Code Section 18-29-1003.3.6 table; minimum 750 gallons for gravity interceptors for restaurants; hydromechanical grease interceptors rated at minimum 20 GPM for smaller facilities | Based on total potential flow from all food prep/handling/serving fixtures per city sizing spreadsheet |
| Pumping Frequency | Every 90 days minimum or when 25% full (whichever comes first) | Per TCEQ model standards; minimum every 90 days or per 25% rule |
| 25% Rule | Yes | Yes |
| Permit Required | Required | Required |
| Permit Fee | Sewer discharge permit required; FOG registration included with building/sewer permits. Permit fees vary based on discharge volume | Contact Water Resource Services at 817-459-5902 |
| Max Fine | $1,000 per day per violation under Chicago Municipal Code; repeat offenders face escalating fines | Up to $2,000 per violation per day under Texas Local Government Code |
| Inspections | Chicago Department of Water Management conducts inspections; frequency based on compliance history, typically annually for FSEs | Periodic inspections by Water Resource Services |
| Record Keeping | Yes | Yes |
| Authority | Chicago Department of Water Management | City of Arlington Water Resource Services |
| Establishments | 12,246 | 4,506 |
Key Differences
As cities in different states, Chicago (IL) and Arlington (TX) operate under distinct regulatory frameworks. Here are the most important differences restaurant operators should know:
- Chicago 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: Chicago requires "Every 90 days minimum or when 25% full (whichever comes first)", 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: Chicago penalties can reach $1,000 per day per violation under Chicago Municipal Code; repeat offenders face escalating fines, 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 (IPC (Chicago Building Code based on International Plumbing Code with local amendments) 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 Chicago and Arlington?
Chicago 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: Chicago requires "Every 90 days minimum or when 25% full (whichever comes first)", whereas Arlington requires "Per TCEQ model standards".
Which city has stricter grease trap enforcement, Chicago or Arlington?
Enforcement varies: both cities have similar permit requirements. Chicago fines: $1,000 per day per violation under Chicago Municipal Code; repeat offenders face escalating fines. 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 Chicago and Arlington?
Chicago: Every 90 days minimum or when 25% full (whichever comes first). 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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