Clean Water Act discharge permit · NPDES TX0117544

CITY OF ROMA WWTP 2, Roma-Los Saenz, TX: NPDES TX0117544 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
16Pollutants under a numeric limit
3Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

CITY OF ROMA WWTP 2, held by ROMA,CITY OF, holds NPDES permit TX0117544, which discharges to Rio Grande Below Falcon Reservoir. EPA’s file records it issued November 5, 2020 and expiring November 5, 2025.

CITY OF ROMA WWTP 2, Roma-Los Saenz, Texas: Individual permit TX0117544, held by ROMA,CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued November 5, 2020, term to November 5, 2025; discharges to Rio Grande Below Falcon Reservoir.

Solids, total suspended: 3 limits, 29 violations of any kind, 6 effluent exceedances, latest May 31, 2020, largest 184% over the limit.
BOD, 5-day, 20 deg. C: 3 limits, 22 violations of any kind, 1 effluent exceedance, latest February 29, 2016, largest 31% over the limit.
pH: 2 limits, 16 violations of any kind, 1 effluent exceedance, latest October 31, 2014.
Flow, in conduit or thru treatment plant: 4 limits, 29 violations of any kind, 0 effluent exceedances.
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 2 limits, 14 violations of any kind, 0 effluent exceedances.
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 14 violations of any kind, 0 effluent exceedances.
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 2 limits, 14 violations of any kind, 0 effluent exceedances.
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas: 2 limits, 14 violations of any kind, 0 effluent exceedances.
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex: 2 limits, 14 violations of any kind, 0 effluent exceedances.
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 14 violations of any kind, 0 effluent exceedances.
E. coli: 2 limits, 10 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 5 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 5 violations of any kind, 0 effluent exceedances.
Arsenic, dry weight: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Nickel, total [as Ni]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Chromium, sludge, total, dry weight [as Cr]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Fecal coliform: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Unit w/liner/leachate collection system: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Boundary areas: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Salmonella: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Level of pathogen requirements achieved: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Description of pathogen option used: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Vector attraction reduction alternative used: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #1: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #2: 3 limits, 0 violations of any kind, 0 effluent exceedances.

November 2, 2026: Phone Call/ EMAIL (State).
March 18, 2026: Permit Violations - Violation Specified in Comment (ST6).
March 18, 2026: Evaluation (S).
September 3, 2024: Permit Violations - Violation Specified in Comment (ST6).
January 30, 2024: Permit Violations - Violation Specified in Comment (ST6).
March 30, 2022: Permit Violations - Violation Specified in Comment (ST6).
March 18, 2021: Permit Violations - Violation Specified in Comment (ST6).
January 22, 2019: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 1,449 were issued before TX0117544.

Coverages issued nearest TX0117544

October 15, 2020: CITY OF STAMFORD WATER TREATMENT PLANT, City Of Stamford, TX0139921, held by STAMFORD, CITY OF
October 22, 2020: CITY OF HOOKS WWTP, Hooks, TX0022969, held by HOOKS, CITY OF
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 10, 2020: MCDONALD OBSERVATORY LOWER WWTP, Fort Davis, TX0076422, held by UNIVERSITY OF TEXAS AT AUSTIN
November 19, 2020: LAREDO COLUMBIA SOLIDARITY BRIDGE WWTF, Laredo, TX0107395, held by LAREDO, CITY OF
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

CITY OF ROMA WWTP 2 among its neighbors

EPA’s permit file holds 5 discharge permits in the Ramirez Creek-Rio Grande subwatershed (HUC 130900010104), TX0117544 among them. Its county holds 25, 2 of them major permits; TX0117544 is a major permit.

Other permits in the Ramirez Creek-Rio Grande subwatershed (HUC 130900010104)

CITY OF ROMA WTP, Roma-Los Saenz: TX0119709, minor permit, discharging to RIO GRANDE BELOW FALCON RESERVOIR, permit term to September 14, 2025
LAS AMERICAS ROMA LOGISTICS & INDUSTRIAL PARK, Roma: TXR1592NZ, minor permit, discharging to RIO GRANDE BELOW FALCON RESERVOIR, permit term to March 4, 2028
STARR COUNTY TX RGV ROADS PHASE 1 BORDER INFRASTRUCTURE, Fronton: TXR1581MY, minor permit, discharging to RIO GRANDE BELOW FALCON DAM, permit term to March 4, 2028
US 83 STARR COUNTY, Roma: TXR1554SC, minor permit, discharging to FALCON RESERVOIR/ GOVERNMENT COVE, permit term to March 4, 2028

Identity

Facility as filed	CITY OF ROMA WWTP 2
Permittee as filed	ROMA,CITY OF
NPDES ID	TX0117544
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	November 5, 2020
Expiration date	November 5, 2025
Address	Roma-Los Saenz, TX 78584
Receiving water	Rio Grande Below Falcon Reservoir
Subwatershed	Ramirez Creek-Rio Grande (HUC 130900010104)
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

27Pollutants on file
16Under a numeric limit
25With a violation of any kind
3With 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
Solids, total suspended	3	29	6	May 31, 2020	184% over the limit
BOD, 5-day, 20 deg. C	3	22	1	February 29, 2016	31% over the limit
pH	2	16	1	October 31, 2014
Flow, in conduit or thru treatment plant	4	29	0
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	2	14	0
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	2	14	0
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	2	14	0
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	2	14	0
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex	2	14	0
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas	2	14	0
E. coli	2	10	0
Oxygen, dissolved [DO]	1	7	0
LC50 Pass/Fail Static 24Hr Acute D. Pulex	1	5	0
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas	1	5	0
Arsenic, dry weight	0	2	0
Nickel, total [as Ni]	0	2	0
Coliform, fecal general	0	2	0
Chromium, sludge, total, dry weight [as Cr]	0	2	0
Fecal coliform	0	1	0
Unit w/liner/leachate collection system	0	1	0
Boundary areas	0	1	0
Salmonella	0	1	0
Level of pathogen requirements achieved	0	1	0
Description of pathogen option used	0	1	0
Vector attraction reduction alternative used	0	1	0
Whole effluent toxicity - retest #1	3	0	0
Whole effluent toxicity - retest #2	3	0	0

Inspections, violations and enforcement

6Single-event violations

Date	What EPA recorded	Agency
March 18, 2026	Permit Violations - Violation Specified in Comment	ST6
September 3, 2024	Permit Violations - Violation Specified in Comment	ST6
January 30, 2024	Permit Violations - Violation Specified in Comment	ST6
March 30, 2022	Permit Violations - Violation Specified in Comment	ST6
March 18, 2021	Permit Violations - Violation Specified in Comment	ST6
January 22, 2019	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
March 18, 2026	Evaluation	S

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

Date	What EPA recorded	Agency
November 2, 2026	Phone Call/ EMAIL	State

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Nearby on the register

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

This public-records page covers NPDES permit TX0117544, held by ROMA,CITY OF for CITY OF ROMA WWTP 2 in Roma-Los Saenz, TX, which discharges to Rio Grande Below Falcon Reservoir. The permit is administratively continued and carries a Major Discharger class, with 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance listed.