Clean Water Act discharge permit · NPDES TX0118443

WEBB COUNTY REGIONAL WWTF, Webb County, TX: NPDES TX0118443 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
7Pollutants under a numeric limit
5Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

WEBB COUNTY REGIONAL WWTF, held by WEBB COUNTY, holds NPDES permit TX0118443, which discharges to Rio Grande Below Amistad Reservoir. EPA’s file records it issued December 23, 2020 and expiring December 23, 2025. 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	WEBB COUNTY REGIONAL WWTF
Permittee as filed	WEBB COUNTY
NPDES ID	TX0118443
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 23, 2020
Expiration date	December 23, 2025
Address	Webb County, TX 78046
Receiving water	Rio Grande Below Amistad Reservoir
Receiving water impaired	303(D) Listed
Subwatershed	San Idelfonso Creek-Rio Grande (HUC 130800020707)
SIC	4952 – Sewerage Systems

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

42Pollutants on file
7Under a numeric limit
42With a violation of any kind
5With 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
E. coli	2	104	62	December 31, 2022	688,789% over the limit
Solids, total suspended	3	76	16	July 31, 2019	330% over the limit
Chlorine, total residual	2	53	12	September 30, 2017	96% over the limit
BOD, 5-day, 20 deg. C	3	67	7	January 31, 2015	78% over the limit
pH	2	52	5	January 31, 2014
Flow, in conduit or thru treatment plant	2	41	0
Arsenic, dry weight	0	35	0
Chromium, sludge, total, dry weight [as Cr]	0	35	0
Selenium, dry weight	0	21	0
Copper, dry weight	0	21	0
Cadmium, dry weight	0	21	0
Molybdenum, sludge, total, dry weight [as Mo]	0	21	0
Zinc, sludge, total, dry weight [as Zn]	0	21	0
Lead, sludge, total, dry weight [as Pb]	0	21	0
Nickel, sludge, total, dry weight [as Ni]	0	21	0
Mercury, sludge, total, dry weight [as Hg]	0	21	0
Oxygen, dissolved [DO]	1	20	0
Nickel, total [as Ni]	0	14	0
Level of pathogen requirements achieved	0	14	0
Description of pathogen option used	0	14	0
Vector attraction reduction alternative used	0	14	0
Fecal coliform	0	7	0
Unit w/liner/leachate collection system	0	7	0
Boundary areas	0	7	0
Salmonella	0	7	0
Pollutant table from 503.13	0	7	0
Polychlorinated biphenyls [PCBs]	0	5	0
Toxicity characteristic leaching procedure	0	5	0
Ann. amt sludge disposed by other method	0	5	0
Annual amt of sludge incinerated	0	5	0
Annual sludge production, total	0	5	0
Annual amount of sludge land applied	0	5	0
Annual amt. sludge disposed surface unit	0	5	0
Annual amt sludge disposed in landfill	0	5	0
Annual amt sludge transported interstate	0	5	0
Compliance w/part 258 sludge requirement	0	5	0
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	0	1	0
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	0	1	0
LC50 Pass/Fail Static 24Hr Acute D. Pulex	0	1	0
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas	0	1	0
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	0	1	0
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	0	1	0

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

4Single-event violations

Date	What EPA recorded	Agency
October 1, 2025	Permit Violations - Violation Specified in Comment	ST6
August 5, 2019	Permit Violations - Violation Specified in Comment	ST6
July 25, 2018	Permit Violations - Violation Specified in Comment	ST6
July 27, 2017	Permit Violations - Violation Specified in Comment	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0118443.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TX0118443.

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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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 TX0118443 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES TX0118443 for the WEBB COUNTY REGIONAL WWTF in Webb County, TX, held by WEBB COUNTY, with status shown as administratively continued and a Major Discharger class. The facts list 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, with the permit recorded as issued December 23, 2020 and expiring December 23, 2025.