Clean Water Act discharge permit · NPDES TXR1556WD

SIPHON 39 AND LEVEE IMPROVEMENTS, Baytown, TX: NPDES TXR1556WD discharge permit, effluent exceedances, inspections, penalties

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

SIPHON 39 AND LEVEE IMPROVEMENTS, held by Lass Engineering And Construction, Inc., holds NPDES permit TXR1556WD, which discharges to Harris County Flood Control District Channel Id O1. EPA’s file records it issued October 16, 2025 and expiring March 4, 2028. 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 SIPHON 39 AND LEVEE IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Baytown, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1556WD.

Identity

Facility as filed	SIPHON 39 AND LEVEE IMPROVEMENTS
Permittee as filed	Lass Engineering And Construction, Inc.
NPDES ID	TXR1556WD
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	October 16, 2025
Expiration date	March 4, 2028
Address	Baytown, TX 77520
Receiving water	HARRIS COUNTY FLOOD CONTROL DISTRICT CHANNEL ID O1
Subwatershed	Goose Creek-Frontal Galveston Bay (HUC 120401040706)

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 TXR1556WD.

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 TXR1556WD.

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 TXR1556WD there.

Nearby on the register

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

The SIPHON 39 AND LEVEE IMPROVEMENTS permit, held by Lass Engineering And Construction, Inc. in Baytown, Harris County, Texas, is one of 2,031 storm water construction permits in Harris County on EPA's NPDES register. It sits within the Goose Creek-Frontal Galveston Bay subwatershed, which holds 112 NPDES permits including this one. Only 0.1% of the county's 2,031 storm water construction permits have a violation on file, and this permit records no pollutants under a numeric limit and no effluent exceedances.