Clean Water Act discharge permit · NPDES TX0107395

LAREDO COLUMBIA SOLIDARITY BRIDGE WWTF, Laredo, TX: NPDES TX0107395 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

LAREDO COLUMBIA SOLIDARITY BRIDGE WWTF, held by LAREDO, CITY OF, holds NPDES permit TX0107395, which discharges to Rio Grande Below Amistad Reservoir. EPA’s file records it issued November 19, 2020 and expiring November 19, 2025.

LAREDO COLUMBIA SOLIDARITY BRIDGE WWTF, Laredo, Texas: Individual permit TX0107395, held by LAREDO, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued November 19, 2020, term to November 19, 2025; discharges to Rio Grande Below Amistad Reservoir.

Chlorine, total residual: 2 limits, 12 violations of any kind, 2 effluent exceedances, latest May 31, 2009, largest 95% over the limit.
Oxygen, dissolved [DO]: 1 limit, 7 violations of any kind, 2 effluent exceedances, latest May 31, 2024, largest 50% over the limit.
Flow, in conduit or thru treatment plant: 2 limits, 12 violations of any kind, 1 effluent exceedance, latest January 31, 2007, largest 14,186% over the limit.
pH: 2 limits, 11 violations of any kind, 1 effluent exceedance, latest April 30, 2009.
BOD, 5-day, 20 deg. C: 3 limits, 15 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 3 limits, 15 violations of any kind, 0 effluent exceedances.
E. coli: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Conductivity: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Potassium, total [as K]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
pH, in soil: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Toxicity characteristic leaching procedure: 0 limits, 1 violation of any kind, 0 effluent exceedances.

May 21, 2018: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 1,452 were issued before TX0107395. LAREDO, CITY OF holds 9 permits in Texas.

Other permits held by LAREDO, CITY OF

JEFFERSON WWTF, Laredo: TX0002542, issued December 3, 2015
ZACATE CREEK WWTP, Laredo: TX0025461, issued December 29, 2015
SOUTH LAREDO WWTP, Laredo: TX0085316, issued January 5, 2021
UNITEC WWTP, Laredo: TX0126926, issued April 17, 2019
PENITAS WWTP, Webb County: TX0131776, issued October 26, 2017
SOMBRERETILLO WWTP, Laredo: TX0134384, issued April 27, 2021
MANADAS CREEK WWTP, Laredo: TX0137260, issued December 21, 2017
CITY OF LAREDO MS4, Laredo: TXS001401, issued November 21, 2011

Coverages issued nearest TX0107395

October 22, 2020: GRUENE ROAD WATER RECLAMATION FACILITY, New Braunfels, TX0070939, held by NEW BRAUNFELS UTILITIES
October 22, 2020: TORNILLO WWTP, Tornillo, TX0126772, held by EL PASO COUNTY TORNILLO WATER IMPROVEMENT DISTRICT
November 5, 2020: ANDY BOWIE WWTP, Port Isabel, TX0023621, held by LAGUNA MADRE WATER DISTRICT
November 5, 2020: CITY OF ROMA WWTP 2, Roma-Los Saenz, TX0117544, held by ROMA,CITY OF
November 10, 2020: MCDONALD OBSERVATORY LOWER WWTP, Fort Davis, TX0076422, held by UNIVERSITY OF TEXAS AT AUSTIN
November 20, 2020: HIDALGO COUNTY MUD 1 WWTP, Penitas, TX0132101, held by HIDALGO COUNTY MUD 1
November 20, 2020: PINEWOOD TRAILS WWTP, City Of Cleveland, TX0138975, held by CLEVELAND, CITY OF
December 8, 2020: AUSTIN POINT WWTP, Richmond, TX0139912, held by AUSTIN POINT MUNICIPAL UTILITY DISTRICT NO 1
December 17, 2020: JOHN T HICKEERSON WWTF, El Paso, TX0087149, held by EL PASO WATER UTILITIES - PSB
December 18, 2020: ROBINDALE WWTP, Brownsville, TX0071340, held by PUBLIC UTILITIES BOARD OF THE CITY OF BROWNSVILLE, TEXAS

LAREDO COLUMBIA SOLIDARITY BRIDGE WWTF among its neighbors

EPA’s permit file holds 7 discharge permits in the Los Indios Creek-Rio Grande subwatershed (HUC 130800020608), TX0107395 among them. Its county holds 238, 7 of them major permits; TX0107395 is a minor permit.

Other permits in the Los Indios Creek-Rio Grande subwatershed (HUC 130800020608)

CSJ 2150-04-099, Laredo: TXR1563XJ, minor permit, discharging to RIO GRANDE RIVER, permit term to March 4, 2028
CSJ 215004099, Laredo: TXR1591XL, minor permit, discharging to RIO GRANDE, permit term to March 4, 2028
FIVE-5-D INC OF LAREDO, Laredo: TXR1525UU, minor permit, discharging to RIO GRANDE RIVER, permit term to March 4, 2028
LAREDO READINESS CENTER & FIELD MAINTENANCE SHOP, Laredo: TXR1564TJ, minor permit, discharging to PINTO VALLE CREEK, permit term to March 4, 2028
NEEDMORE, Laredo: TXG113843, minor permit, permit term to November 6, 2026
NEEDMORE DOLORES, Laredo: TXR1588TN, minor permit, discharging to RIO GRANDE RIVER, permit term to March 4, 2028

Identity

Facility as filed	LAREDO COLUMBIA SOLIDARITY BRIDGE WWTF
Permittee as filed	LAREDO, CITY OF
NPDES ID	TX0107395
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	November 19, 2020
Expiration date	November 19, 2025
Address	Laredo, TX 78045
Receiving water	Rio Grande Below Amistad Reservoir
Subwatershed	Los Indios Creek-Rio Grande (HUC 130800020608)
Program components on file	POTW, Pretreatment
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

13Pollutants on file
7Under a numeric limit
13With a violation of any kind
4With 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
Chlorine, total residual	2	12	2	May 31, 2009	95% over the limit
Oxygen, dissolved [DO]	1	7	2	May 31, 2024	50% over the limit
Flow, in conduit or thru treatment plant	2	12	1	January 31, 2007	14,186% over the limit
pH	2	11	1	April 30, 2009
BOD, 5-day, 20 deg. C	3	15	0
Solids, total suspended	3	15	0
E. coli	2	6	0
Conductivity	0	3	0
Nitrogen, total [as N]	0	3	0
Phosphorus, total [as P]	0	3	0
Potassium, total [as K]	0	3	0
pH, in soil	0	3	0
Toxicity characteristic leaching procedure	0	1	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
May 21, 2018	Permit Violations - Violation Specified in Comment	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0107395.

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 TX0107395.

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

This public-records page covers the Clean Water Act discharge permit NPDES TX0107395 for the LAREDO COLUMBIA SOLIDARITY BRIDGE WWTF in Laredo, TX, held by LAREDO, CITY OF, with a permit status of administratively continued and a discharger class of Minor. The listed figures are 7 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, with the permit recorded as issued November 19, 2020 and expiring November 19, 2025.