Stormwater Management: Coral Gables vs Miami
How do stormwater management rules compare between Coral Gables, FL and Miami, FL?
Coral Gables and Miami have similar restriction levels.
Coral Gables, FL
Miami-Dade County
Coral Gables operates a stormwater drainage system managed by the Public Works Utilities Division that connects to the Miami-Dade County system. The city holds an NPDES stormwater permit requiring strict discharge controls. Construction sites must implement erosion and sediment controls, and all development must manage stormwater runoff to prevent flooding and water quality degradation.
View full Coral Gables rules βMiami, FL
Miami-Dade County
Miami enforces comprehensive stormwater management under Chapter 17 of the City Code (Stormwater Utility) and Miami-Dade County Environmental Resource standards. The city operates a Municipal Separate Storm Sewer System (MS4) under an NPDES permit issued by the Florida DEP.
View full Miami rules βKey Facts Comparison
| Fact | Coral Gables | Miami |
|---|---|---|
| System Manager | Public Works Utilities Division | - |
| NPDES Permit | MS4 permit with discharge controls | - |
| Flood Gates | Automated gates at canal mouths | - |
| Illicit Discharge | Prohibited to storm drains | - |
| Construction | Erosion controls and PW permit required | - |
| Governing Code | - | City Code Chapter 17 (Stormwater Utility) |
| Retention Standard | - | First inch of rainfall on-site |
| Fee Basis | - | Impervious surface area |
| Regional Permit | - | SFWMD Environmental Resource Permit |
| Penalty | - | Up to $500/day per violation |
Highlighted rows indicate differences between cities.
Coral Gables FAQ
Who manages stormwater in Coral Gables?
The Public Works Utilities Division manages the city's stormwater drainage system, which operates through manholes, gravity mains, and force mains. The system connects to the Miami-Dade County drainage infrastructure. Contact Public Works for stormwater concerns.
Can I discharge water into the storm drains in Coral Gables?
No. Illicit discharges to the stormwater system are prohibited under the city's NPDES permit. This includes pool water, spa water, wash water, and any chemical discharges. Only uncontaminated rainwater should enter storm drains.
Why does Coral Gables flood and what has the city done about it?
The city is near sea level, surrounded by water bodies, with a high water table. The city installed automated flood gate controls at canal mouths, which prevented downtown flooding during the October 2000 storm when 16 inches of rain fell in 15 hours.
Miami FAQ
Does Miami charge a stormwater fee?
Yes. Miami charges a stormwater utility fee based on the impervious surface area on a property. Reducing impervious coverage through approved green infrastructure may lower the fee.
What stormwater retention is required?
New development must retain the first inch of rainfall on-site. The city's high water table and low elevation require specialized solutions such as exfiltration trenches.
Compare other topics
See how Coral Gables and Miami compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool