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Clean Water Act discharge permit · NPDES TX0128589

ROSITA VALLEY WWTP, Eagle Pass, TX: NPDES TX0128589 discharge permit, effluent exceedances, inspections, penalties

ROSITA VALLEY WWTP, held by EAGLE PASS, CITY OF WATER WORKS SYSTEM, holds NPDES permit TX0128589, which discharges to Rio Grande Below Amistad Reservoir. EPA’s file records it issued July 25, 2016 and expiring September 1, 2020.

ROSITA VALLEY WWTP, Eagle Pass, Texas: Individual permit TX0128589, held by EAGLE PASS, CITY OF WATER WORKS SYSTEM; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued July 25, 2016, term to September 1, 2020; discharges to RIO GRANDE BELOW AMISTAD RESERVOIR.

  • Flow, in conduit or thru treatment plant: 4 limits, 11 violations of any kind, 3 effluent exceedances, latest September 30, 2016, largest 36% over the limit.
  • pH: 3 limits, 7 violations of any kind, 2 effluent exceedances, latest April 30, 2011.
  • E. coli: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest July 31, 2012, largest 334% over the limit.
  • Chlorine, total residual: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • BOD, 5-day, 20 deg. C: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Sulphur, total elemental: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Calcium, total [as Ca]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Magnesium, total [as Mg]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Sodium, total [as Na]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Sodium adsorption ratio: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Arsenic, dry weight: 5 limits, 5 violations of any kind, 0 effluent exceedances.
  • Chromium, sludge, total, dry weight [as Cr]: 5 limits, 5 violations of any kind, 0 effluent exceedances.
  • Nitrogen, nitrate total [as N]: 3 limits, 5 violations of any kind, 0 effluent exceedances.
  • Conductivity: 3 limits, 4 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 3 limits, 4 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 3 limits, 4 violations of any kind, 0 effluent exceedances.
  • Potassium, total [as K]: 3 limits, 4 violations of any kind, 0 effluent exceedances.
  • pH, in soil: 3 limits, 4 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Calcium, dissolved [as Ca]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Magnesium, dissolved [as Mg]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Sodium, dissolved [as Na]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Selenium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Copper, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Cadmium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Level of pathogen requirements achieved: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Description of pathogen option used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Vector attraction reduction alternative used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Fecal coliform: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Toxicity characteristic leaching procedure: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Salmonella: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Polychlorinated biphenyls [PCBs]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Annual amt of sludge incinerated: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Annual sludge production, total: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Annual amount of sludge land applied: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Annual amt. sludge disposed surface unit: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Annual amt sludge disposed in landfill: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Annual amt sludge transported interstate: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Compliance w/part 258 sludge requirement: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Boundary areas: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Pollutant table from 503.13: 1 limit, 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.
  • Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • April 9, 2025: Permit Violations - Violation Specified in Comment (ST6).
  • June 19, 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; 284 were issued before TX0128589.

Coverages issued nearest TX0128589

ROSITA VALLEY WWTP among its neighbors

EPA’s permit file holds 16 discharge permits in the Seco Creek-Rio Grande subwatershed (HUC 130800020101), TX0128589 among them. Its county holds 36, 3 of them major permits; TX0128589 is a major permit.

Other permits in the Seco Creek-Rio Grande subwatershed (HUC 130800020101)

Identity

Facility as filedROSITA VALLEY WWTP
Permittee as filedEAGLE PASS, CITY OF WATER WORKS SYSTEM
NPDES IDTX0128589
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 25, 2016
Expiration dateSeptember 1, 2020
AddressEagle Pass, TX 78853
Receiving waterRIO GRANDE BELOW AMISTAD RESERVOIR
SubwatershedSeco Creek-Rio Grande (HUC 130800020101)
SIC4952 – Sewerage Systems

Effluent limits and exceedances

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; the 60 with the most exceedances of 62 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow, in conduit or thru treatment plant4113September 30, 201636% over the limit
pH372April 30, 2011
E. coli211July 31, 2012334% over the limit
Chlorine, total residual280
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex280
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas280
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex280
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas280
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex280
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas280
BOD, 5-day, 20 deg. C360
Sulphur, total elemental360
Solids, total suspended360
Calcium, total [as Ca]360
Magnesium, total [as Mg]360
Sodium, total [as Na]360
Sodium adsorption ratio360
Arsenic, dry weight550
Chromium, sludge, total, dry weight [as Cr]550
Nitrogen, nitrate total [as N]350
Conductivity340
Nitrogen, Kjeldahl, total [as N]340
Phosphorus, total [as P]340
Potassium, total [as K]340
pH, in soil340
Nitrogen, total [as N]330
Calcium, dissolved [as Ca]330
Magnesium, dissolved [as Mg]330
Sodium, dissolved [as Na]330
Selenium, dry weight330
Copper, dry weight330
Cadmium, dry weight330
Molybdenum, sludge, total, dry weight [as Mo]330
Zinc, sludge, total, dry weight [as Zn]330
Lead, sludge, total, dry weight [as Pb]330
Nickel, sludge, total, dry weight [as Ni]330
Mercury, sludge, total, dry weight [as Hg]330
Nickel, total [as Ni]220
Level of pathogen requirements achieved220
Description of pathogen option used220
Vector attraction reduction alternative used220
Oxygen, dissolved [DO]120
Fecal coliform120
Toxicity characteristic leaching procedure120
Salmonella120
Polychlorinated biphenyls [PCBs]110
Ann. amt sludge disposed by other method110
Annual amt of sludge incinerated110
Annual sludge production, total110
Annual amount of sludge land applied110
Annual amt. sludge disposed surface unit110
Annual amt sludge disposed in landfill110
Annual amt sludge transported interstate110
Unit w/liner/leachate collection system110
Compliance w/part 258 sludge requirement110
Boundary areas110
Pollutant table from 503.13110
Whole effluent toxicity - retest #1300
Whole effluent toxicity - retest #2300
Annual whole sludge application rate100

Inspections, violations and enforcement

DateWhat EPA recordedAgency
April 9, 2025Permit Violations - Violation Specified in CommentST6
June 19, 2018Permit Violations - Violation Specified in CommentST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0128589.

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 TX0128589.

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

What this page shows

This public-records page covers Clean Water Act NPDES permit TX0128589 for ROSITA VALLEY WWTP in Eagle Pass, TX, held by EAGLE PASS, CITY OF WATER WORKS SYSTEM, which discharges to RIO GRANDE BELOW AMISTAD RESERVOIR. The permit is listed as administratively continued, with 3 pollutants under a numeric limit and 62 pollutants with an effluent exceedance.