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Clean Water Act discharge permit · NPDES TXRNECS14

SIENKO PRECISION, Houston, TX: NPDES TXRNECS14 discharge permit, effluent exceedances, inspections, penalties

SIENKO PRECISION, held by Sienko Precision, holds NPDES permit TXRNECS14. EPA’s file records it issued August 1, 2026 and expiring August 13, 2026. 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.

What the register holds for SIENKO PRECISION: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXRNECS14.

Identity

Facility as filedSIENKO PRECISION
Permittee as filedSienko Precision
NPDES IDTXRNECS14
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedAugust 1, 2026
Expiration dateAugust 13, 2026
AddressHouston, TX 77041
NAICS332312 – Fabricated Structural Metal Manufacturing
SIC3599 – Industrial Machinery

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXRNECS14.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXRNECS14.

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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How we handle your data → Privacy

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 TXRNECS14 there.

Nearby on the register

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

What this page shows

SIENKO PRECISION is one of 1,284 storm water industrial permits on EPA's NPDES register in Harris County, a group where 0.9% have a violation on file. Of the 1,283 storm water industrial permits in Harris County, 92.4% have an earlier issue date than this permit. The facility has no pollutants under a numeric limit and no pollutants with an effluent exceedance.