Clean Water Act discharge permit · NPDES TXR05GP44

ROX QUARRY, Canyon Lake, TX: NPDES TXR05GP44 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
14Pollutants under a numeric limit
0Pollutants with an effluent exceedance

ROX QUARRY, held by Rox, Inc., holds NPDES permit TXR05GP44. EPA’s file records it issued January 7, 2025 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.

Identity

Facility as filed	ROX QUARRY
Permittee as filed	Rox, Inc.
NPDES ID	TXR05GP44
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	January 7, 2025
Expiration date	August 13, 2026
Address	Canyon Lake, TX 78133
Subwatershed	Jentsch Creek-Canyon Lake (HUC 121002010406)
NAICS	212312 – Crushed and Broken Limestone Mining and Quarrying
SIC	1422 – Crushed And Broken Limestone

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

14Pollutants on file
14Under a numeric limit
1With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
pH	8	4
Solids, total suspended	2	0
Arsenic, total [as As]	2	0
Barium, total [as Ba]	2	0
Cadmium, total [as Cd]	2	0
Chromium, total [as Cr]	2	0
Copper, total [as Cu]	2	0
Lead, total [as Pb]	2	0
Manganese, total [as Mn]	2	0
Nickel, total [as Ni]	2	0
Silver, total [as Ag]	2	0
Zinc, total [as Zn]	2	0
Selenium, total [as Se]	2	0
Mercury, total [as Hg]	2	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05GP44.

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 TXR05GP44.

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.

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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 TXR05GP44 there.

Nearby on the register

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

This page covers Clean Water Act discharge permit NPDES TXR05GP44 for ROX QUARRY in Canyon Lake, TX, held by Rox, Inc., a minor discharger under industrial stormwater coverage that is administratively continued past its August 13, 2026 expiration date. The figures listed are 14 pollutants on file, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.