Chicago vs Miami
Side-by-side FOG compliance comparison between Chicago, IL and Miami, FL.
| Requirement | Chicago, IL | Miami, FL |
|---|---|---|
| Plumbing Code | IPC (Chicago Building Code based on International Plumbing Code with local amendments) | IPC (Florida Building Code, which is based on the International codes) |
| 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 | Gravity grease interceptors: minimum 750-1,000 gallons depending on establishment size and fixture count. Hydromechanical grease interceptors (HGIs/under-sink): rated per GPM of connected fixtures per Florida Building Code. Sizing determined per FOG Control Device Guidance Manual formulas. |
| Pumping Frequency | Every 90 days minimum or when 25% full (whichever comes first) | As specified in FOG permit conditions; typically every 30-90 days depending on establishment volume. Must be pumped before grease and solids accumulate to 25% of the wetted depth of the interceptor. |
| 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 | Initial FOG-1 permit application fee approximately $200; annual renewal fee approximately $65. Fees subject to update per Miami-Dade fee schedule. |
| Max Fine | $1,000 per day per violation under Chicago Municipal Code; repeat offenders face escalating fines | Up to $15,000 per day per violation under Miami-Dade County Code. Civil penalties and administrative enforcement actions including cease-and-desist orders. |
| Inspections | Chicago Department of Water Management conducts inspections; frequency based on compliance history, typically annually for FSEs | Inspections conducted by Miami-Dade Water and Sewer Department (WASD) on a routine basis; typically annually for compliant FSEs, more frequently for high-risk or non-compliant establishments. Unannounced inspections authorized. |
| Record Keeping | Yes | Yes |
| Authority | Chicago Department of Water Management | Miami-Dade County Water and Sewer Department (WASD), Environmental Compliance Section; Miami-Dade Permitting and Inspection Center |
| Establishments | 12,246 | 6,089 |
Key Differences
As cities in different states, Chicago (IL) and Miami (FL) operate under distinct regulatory frameworks. Here are the most important differences restaurant operators should know:
- Chicago follows the Uniform Plumbing Code (UPC), while Miami uses the Uniform Plumbing Code (UPC). 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 Miami requires "As specified in FOG permit conditions".
- 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 $15,000 per day per violation under Miami-Dade County Code. Civil penalties and administrative enforcement actions including cease-and-desist orders. in Miami.
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 (Florida Building Code, which is based on the International codes)) 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 Miami?
Chicago follows the Uniform Plumbing Code (UPC), while Miami uses the Uniform Plumbing Code (UPC). 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 Miami requires "As specified in FOG permit conditions".
Which city has stricter grease trap enforcement, Chicago or Miami?
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. Miami fines: Up to $15,000 per day per violation under Miami-Dade County Code. Civil penalties and administrative enforcement actions including cease-and-desist orders.. Always verify with local authorities.
How do pumping schedules differ between Chicago and Miami?
Chicago: Every 90 days minimum or when 25% full (whichever comes first). Miami: As specified in FOG permit conditions; typically every 30-90 days depending on establishment volume. Must be pumped befo.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.
Operating in Both Cities?
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