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Clean Water Act discharge permit · NPDES TX0132101

HIDALGO COUNTY MUD 1 WWTP, Penitas, TX: NPDES TX0132101 discharge permit, effluent exceedances, inspections, penalties

HIDALGO COUNTY MUD 1 WWTP, held by HIDALGO COUNTY MUD 1, holds NPDES permit TX0132101, which discharges to Laguna Madre. EPA’s file records it issued November 20, 2020 and expiring November 20, 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 filedHIDALGO COUNTY MUD 1 WWTP
Permittee as filedHIDALGO COUNTY MUD 1
NPDES IDTX0132101
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedNovember 20, 2020
Expiration dateNovember 20, 2025
AddressPenitas, TX 78576
Receiving waterLaguna Madre
SubwatershedLake Edinburn-Edinburg North Main Canal (HUC 121102080200)
SIC4952 – 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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended3360
Nitrogen, ammonia total [as N]3360
BOD, carbonaceous [5 day, 20 C]3360
pH2260
Flow, in conduit or thru treatment plant2240
Chlorine, total residual2240
E. coli2240
Oxygen, dissolved [DO]1120
Arsenic, dry weight0100
Chromium, sludge, total, dry weight [as Cr]0100
Selenium, dry weight060
Copper, dry weight060
Cadmium, dry weight060
Molybdenum, sludge, total, dry weight [as Mo]060
Zinc, sludge, total, dry weight [as Zn]060
Lead, sludge, total, dry weight [as Pb]060
Nickel, sludge, total, dry weight [as Ni]060
Mercury, sludge, total, dry weight [as Hg]060
Nickel, total [as Ni]040
Level of pathogen requirements achieved040
Description of pathogen option used040
Vector attraction reduction alternative used040
Polychlorinated biphenyls [PCBs]030
Ann. amt sludge disposed by other method030
Annual sludge production, total030
Annual amount of sludge land applied030
Annual amt sludge disposed in landfill030
Compliance w/part 258 sludge requirement030
Fecal coliform020
Toxicity characteristic leaching procedure020
Annual amt of sludge incinerated020
Annual amt. sludge disposed surface unit020
Annual amt sludge transported interstate020
Unit w/liner/leachate collection system020
Boundary areas020
Salmonella020
Pollutant table from 503.13020

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TX0132101.

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

DateWhat EPA recordedAgency
January 8, 2026Permit Violations - Violation Specified in CommentST6
January 16, 2020Permit Violations - Violation Specified in CommentST6

Inspections

DateWhat EPA recordedAgency
January 8, 2026EvaluationS

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 TX0132101.

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 TX0132101 there.

HIDALGO COUNTY MUD 1 WWTP, Penitas, Texas: Individual permit TX0132101, held by HIDALGO COUNTY MUD 1; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued November 20, 2020, term to November 20, 2025; discharges to Laguna Madre.

  • Solids, total suspended: 3 limits, 36 violations of any kind.
  • Nitrogen, ammonia total [as N]: 3 limits, 36 violations of any kind.
  • BOD, carbonaceous [5 day, 20 C]: 3 limits, 36 violations of any kind.
  • pH: 2 limits, 26 violations of any kind.
  • Flow, in conduit or thru treatment plant: 2 limits, 24 violations of any kind.
  • Chlorine, total residual: 2 limits, 24 violations of any kind.
  • E. coli: 2 limits, 24 violations of any kind.
  • Oxygen, dissolved [DO]: 1 limit, 12 violations of any kind.
  • Arsenic, dry weight: 0 limits, 10 violations of any kind.
  • Chromium, sludge, total, dry weight [as Cr]: 0 limits, 10 violations of any kind.
  • Selenium, dry weight: 0 limits, 6 violations of any kind.
  • Copper, dry weight: 0 limits, 6 violations of any kind.
  • Cadmium, dry weight: 0 limits, 6 violations of any kind.
  • Molybdenum, sludge, total, dry weight [as Mo]: 0 limits, 6 violations of any kind.
  • Zinc, sludge, total, dry weight [as Zn]: 0 limits, 6 violations of any kind.
  • Lead, sludge, total, dry weight [as Pb]: 0 limits, 6 violations of any kind.
  • Nickel, sludge, total, dry weight [as Ni]: 0 limits, 6 violations of any kind.
  • Mercury, sludge, total, dry weight [as Hg]: 0 limits, 6 violations of any kind.
  • Nickel, total [as Ni]: 0 limits, 4 violations of any kind.
  • Level of pathogen requirements achieved: 0 limits, 4 violations of any kind.
  • Description of pathogen option used: 0 limits, 4 violations of any kind.
  • Vector attraction reduction alternative used: 0 limits, 4 violations of any kind.
  • Polychlorinated biphenyls [PCBs]: 0 limits, 3 violations of any kind.
  • Ann. amt sludge disposed by other method: 0 limits, 3 violations of any kind.
  • Annual sludge production, total: 0 limits, 3 violations of any kind.
  • Annual amount of sludge land applied: 0 limits, 3 violations of any kind.
  • Annual amt sludge disposed in landfill: 0 limits, 3 violations of any kind.
  • Compliance w/part 258 sludge requirement: 0 limits, 3 violations of any kind.
  • Fecal coliform: 0 limits, 2 violations of any kind.
  • Toxicity characteristic leaching procedure: 0 limits, 2 violations of any kind.
  • Annual amt of sludge incinerated: 0 limits, 2 violations of any kind.
  • Annual amt. sludge disposed surface unit: 0 limits, 2 violations of any kind.
  • Annual amt sludge transported interstate: 0 limits, 2 violations of any kind.
  • Unit w/liner/leachate collection system: 0 limits, 2 violations of any kind.
  • Boundary areas: 0 limits, 2 violations of any kind.
  • Salmonella: 0 limits, 2 violations of any kind.
  • Pollutant table from 503.13: 0 limits, 2 violations of any kind.
  • January 8, 2026: Permit Violations - Violation Specified in Comment (ST6).
  • January 8, 2026: Evaluation (S).
  • January 16, 2020: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 1,453 were issued before TX0132101.

Coverages issued nearest TX0132101

HIDALGO COUNTY MUD 1 WWTP among its neighbors

56 discharge permits are in the Lake Edinburn-Edinburg North Main Canal subwatershed (HUC 121102080200); TX0132101 is one. Its county: 439, 16 major; TX0132101 is minor permit.

Other permits in the Lake Edinburn-Edinburg North Main Canal subwatershed (HUC 121102080200)

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TX0132101 for the HIDALGO COUNTY MUD 1 WWTP in Penitas, TX, held by HIDALGO COUNTY MUD 1, with the permit listed as administratively continued and a discharger class of 8. The page reports 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.