Clean Water Act discharge permit · NPDES TXR1505OF

KAO SITE PLAN AND RAIL, Pasadena, TX: NPDES TXR1505OF discharge permit, effluent exceedances, inspections, penalties

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

KAO SITE PLAN AND RAIL, held by Kao Specialties Americas LLC, holds NPDES permit TXR1505OF, which discharges to Big Island Slough. EPA’s file records it issued August 30, 2023 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 KAO SITE PLAN AND RAIL: its NPDES ID, its permit type and status, its dates, its address in Pasadena, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1505OF.

Identity

Facility as filed	KAO SITE PLAN AND RAIL
Permittee as filed	Kao Specialties Americas LLC
NPDES ID	TXR1505OF
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	August 30, 2023
Expiration date	March 4, 2028
Address	Pasadena, TX 77507
Receiving water	BIG ISLAND SLOUGH
Subwatershed	Clear Creek-Frontal Galveston Bay (HUC 120402040100)
Other EPA IDs (FRS)	RCRA handler TXR000087286

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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 TXR1505OF.

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 TXR1505OF.

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, TXR1505OF.

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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 TXR1505OF there.

Nearby on the register

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

The KAO SITE PLAN AND RAIL storm water construction permit in Pasadena, Harris County, Texas, is one of 2,031 such permits in the county, and only 0.1% of those permits have a violation on file. The permit also falls within the Clear Creek-Frontal Galveston Bay subwatershed, which contains 560 NPDES permits, this one included, and it recorded no pollutants under a numeric limit and no effluent exceedances.