Clean Water Act discharge permit · NPDES FLR20HX14

SOMBRERO BOULEVARD DRAINAGE IMPROVEMENTS, Marathon, FL: NPDES FLR20HX14 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

SOMBRERO BOULEVARD DRAINAGE IMPROVEMENTS, held by City of Marathon, holds NPDES permit FLR20HX14. EPA’s file records it issued February 2, 2025 and expiring February 1, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for SOMBRERO BOULEVARD DRAINAGE IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Marathon, Florida. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES FLR20HX14.

Identity

Facility as filed	SOMBRERO BOULEVARD DRAINAGE IMPROVEMENTS
Permittee as filed	City of Marathon
NPDES ID	FLR20HX14
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	February 2, 2025
Expiration date	February 1, 2030
Issuing agency	Florida Department of Environmental Protection
Address	Marathon, FL 33050

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES FLR20HX14.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES FLR20HX14.

Inspections

EPA’s inspection file holds no inspection for NPDES FLR20HX14.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES FLR20HX14.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, FLR20HX14.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID FLR20HX14 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

Among the 46 storm water construction permits on EPA's NPDES register in Monroe County, this one, the SOMBRERO BOULEVARD DRAINAGE IMPROVEMENTS permit held by the City of Marathon, is one of them. Of those 46 permits, 71.7% were issued earlier than this one, and 0.0% carry a violation on file, a figure that matches this permit, which has no pollutants with an effluent exceedance.