Clean Water Act discharge permit · NPDES TXG670549

ENNIS PLANT, Ennis, TX: NPDES TXG670549 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
5Pollutants under a numeric limit
0Pollutants with an effluent exceedance

ENNIS PLANT, held by Ergon Asphalt & Emulsions, Inc., holds NPDES permit TXG670549. EPA’s file records it issued July 8, 2025 and expiring April 4, 2030. 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 ENNIS PLANT: its NPDES ID, its permit type and status, its dates, its address in Ennis, Texas, and 5 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXG670549.

Identity

Facility as filed	ENNIS PLANT
Permittee as filed	Ergon Asphalt & Emulsions, Inc.
NPDES ID	TXG670549
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 8, 2025
Expiration date	April 4, 2030
Address	Ennis, TX 75119
Subwatershed	Walker Creek-Village Creek (HUC 120301050404)
Other EPA IDs (FRS)	RCRA handler TXD982284507; ICIS-AIR source TX0000004813900025

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

Effluent limits and exceedances

5Pollutants on file
5Under a numeric limit
0With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	2	0	0
Lead, total [as Pb]	1	0	0
Benzene, ethylbenzene, toluene, xylene combination	1	0	0
Benzene	1	0	0
Hydrocarbons, petroleum	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG670549.

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 TXG670549.

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 TXG670549 there.

Nearby on the register

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

This EPA permit page covers the Clean Water Act discharge permit NPDES TXG670549 for ENNIS PLANT in Ennis, TX, held by Ergon Asphalt & Emulsions, Inc., with a status of Effective, a minor discharger class of 5, and coverage under a general permit. The page lists 5 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and shows the permit as issued July 8, 2025 and expiring April 4, 2030, with the facts as loaded on September 15, 2026.