Clean Water Act discharge permit · NPDES TXR05EX83

UVALDE CONCRETE KNIPPA PLANT, Knippa, TX: NPDES TXR05EX83 discharge permit, effluent exceedances, inspections, penalties

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

UVALDE CONCRETE KNIPPA PLANT, held by Uvalde Concrete, LLC, holds NPDES permit TXR05EX83. EPA’s file records it issued August 14, 2021 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 UVALDE CONCRETE KNIPPA PLANT: its NPDES ID, its permit type and status, its dates, its address in Knippa, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05EX83.

Identity

Facility as filed	UVALDE CONCRETE KNIPPA PLANT
Permittee as filed	Uvalde Concrete, LLC
NPDES ID	TXR05EX83
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	August 14, 2021
Expiration date	August 13, 2026
Address	Knippa, TX 78870
Receiving water impaired	303(D) Listed
Subwatershed	Elm Draw-Frio River (HUC 121101060206)
NAICS	212319 – Other Crushed and Broken Stone Mining and Quarrying
SIC	1429 – Crushed And Broken Stone

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

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 TXR05EX83.

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 TXR05EX83.

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, TXR05EX83.

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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 TXR05EX83 there.

Nearby on the register

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

The UVALDE CONCRETE KNIPPA PLANT is one of 9 storm water industrial permits in Uvalde County, and it is the only NPDES permit in the Elm Draw-Frio River subwatershed. Among those 9 county permits, 11.1% have a violation on file, while this permit has no pollutants under a numeric limit and no effluent exceedances, both recorded as 0. Its issue date of August 14, 2021 comes earlier than none of the other county permits, as 0.0% of the 9 were issued before it.