Clean Water Act discharge permit · NPDES FLR05A737

MARTIN COUNTY AIRPORT/WITHAM FIELD, Stuart, FL: NPDES FLR05A737 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

MARTIN COUNTY AIRPORT/WITHAM FIELD, held by Martin County, holds NPDES permit FLR05A737, which discharges to Drainage Canal. EPA’s file records it issued July 16, 2018 and expiring July 15, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	MARTIN COUNTY AIRPORT/WITHAM FIELD
Permittee as filed	Martin County
NPDES ID	FLR05A737
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	July 16, 2018
Expiration date	July 15, 2023
Issuing agency	Florida Department of Environmental Protection
Address	Stuart, FL 34996
Receiving water	DRAINAGE CANAL
Subwatershed	Great Pocket Cove-Willoughby Creek Frontal (HUC 030902060503)
NAICS	488119 – Other Airport Operations
SIC	4581 – Airports, Flying Fields, & Services

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
pH	16	4
Nitrogen, ammonia total [as N]	8	2
Chemical Oxygen Demand [COD]	8	2
Biochemical oxygen demand-5	8	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES FLR05A737.

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

2Single-event violations

Date	What EPA recorded	Agency
August 8, 2018	WW Storm Water Non-Construction - Failure to Maintain Records	ST6
August 8, 2018	WW Storm Water Non-Construction - Failure to Conduct Inspections	ST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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

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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 FLR05A737 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit FLR05A737, held by Martin County for MARTIN COUNTY AIRPORT/WITHAM FIELD in Stuart, FL, which discharges to Drainage Canal in the Great Pocket Cove-Willoughby Creek Frontal subwatershed (HUC 030902060503). The permit's status is listed as Effective, with a Minor Discharger class of 4, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance. The permit was issued July 16, 2018, and expires July 15, 2023, as of the date Velarion loaded EPA's file (October 14, 2026).