Clean Water Act discharge permit · NPDES FLR10WR18

YELLOWTAIL, Lehigh Acres, FL: NPDES FLR10WR18 discharge permit, effluent exceedances, inspections, penalties

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

YELLOWTAIL, held by Mashan Contractors, Inc., holds NPDES permit FLR10WR18. EPA’s file records it issued March 18, 2024 and expiring March 17, 2029. 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 YELLOWTAIL: its NPDES ID, its permit type and status, its dates, its address in Lehigh Acres, Florida. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES FLR10WR18.

Identity

Facility as filed	YELLOWTAIL
Permittee as filed	Mashan Contractors, Inc.
NPDES ID	FLR10WR18
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	March 18, 2024
Expiration date	March 17, 2029
Issuing agency	Florida Department of Environmental Protection
Address	Lehigh Acres, FL 33936
Subwatershed	Halfway Pond (HUC 030902050604)

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 FLR10WR18.

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 FLR10WR18.

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

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, FLR10WR18.

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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 FLR10WR18 there.

Nearby on the register

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

The YELLOWTAIL storm water construction permit, held by Mashan Contractors, Inc. in Lehigh Acres, is one of 625 such permits on EPA's NPDES register in Lee County, and its 1.4% figure shows that only a small share of those permits carry a violation on file. Within the Halfway Pond subwatershed, where 57 NPDES permits are registered including this one, the permit sits among a fairly dense group of peers. Of all 625 Lee County storm water construction permits, 55.7% were issued before this one, and the YELLOWTAIL permit has none of the pollutants under a numeric limit or any effluent exceedances.