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Clean Water Act discharge permit · NPDES TX0093157

HARBOR ISLAND WWTP, Nueces County, TX: NPDES TX0093157 discharge permit, effluent exceedances, inspections, penalties

HARBOR ISLAND WWTP, held by MARTIN OPERATING PARTNERSHIP LP, holds NPDES permit TX0093157, which discharges to Redfish Bay. EPA’s file records it issued August 27, 2015 and expiring April 1, 2020.

HARBOR ISLAND WWTP, Nueces County, Texas: Individual permit TX0093157, held by MARTIN OPERATING PARTNERSHIP LP; Administratively continued (past its expiration date and still in force until reissued); issued August 27, 2015, term to April 1, 2020; discharges to REDFISH BAY.

  • Chlorine, total residual: 2 limits, 19 violations of any kind, 5 effluent exceedances, latest October 31, 2022, largest 90% over the limit.
  • Solids, total suspended: 3 limits, 22 violations of any kind, 1 effluent exceedance, latest January 31, 2009, largest 8% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 15 violations of any kind, 1 effluent exceedance, latest November 30, 2003, largest 89% over the limit.
  • BOD, 5-day, 20 deg. C: 3 limits, 21 violations of any kind, 0 effluent exceedances.
  • pH: 3 limits, 16 violations of any kind, 0 effluent exceedances.
  • Arsenic, dry weight: 5 limits, 10 violations of any kind, 0 effluent exceedances.
  • Chromium, sludge, total, dry weight [as Cr]: 5 limits, 10 violations of any kind, 0 effluent exceedances.
  • Oxygen, dissolved [DO]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Selenium, dry weight: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Copper, dry weight: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Cadmium, dry weight: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Zinc, sludge, total, dry weight [as Zn]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Lead, sludge, total, dry weight [as Pb]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Nickel, sludge, total, dry weight [as Ni]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Mercury, sludge, total, dry weight [as Hg]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Enterococci: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Level of pathogen requirements achieved: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Description of pathogen option used: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Vector attraction reduction alternative used: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Fecal coliform: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Polychlorinated biphenyls [PCBs]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Toxicity characteristic leaching procedure: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Ann. amt sludge disposed by other method: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Annual amt of sludge incinerated: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Annual sludge production, total: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Annual amount of sludge land applied: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Annual amt. sludge disposed surface unit: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Annual amt sludge disposed in landfill: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Annual amt sludge transported interstate: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Unit w/liner/leachate collection system: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Compliance w/part 258 sludge requirement: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Boundary areas: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Salmonella: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Pollutant table from 503.13: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • April 27, 2022: Permit Violations - Violation Specified in Comment (ST6).
  • March 2, 2017: Permit Violations - Violation Specified in Comment (ST6).

Other permits held by MARTIN OPERATING PARTNERSHIP LP

HARBOR ISLAND WWTP among its neighbors

Its county holds 317, 24 of them major permits; TX0093157 is a minor permit.

Other permits in the county

Identity

Facility as filedHARBOR ISLAND WWTP
Permittee as filedMARTIN OPERATING PARTNERSHIP LP
NPDES IDTX0093157
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 27, 2015
Expiration dateApril 1, 2020
AddressNueces County, TX 78336
Receiving waterREDFISH BAY
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.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chlorine, total residual2195October 31, 202290% over the limit
Solids, total suspended3221January 31, 20098% over the limit
Flow, in conduit or thru treatment plant2151November 30, 200389% over the limit
BOD, 5-day, 20 deg. C3210
pH3160
Arsenic, dry weight5100
Chromium, sludge, total, dry weight [as Cr]5100
Oxygen, dissolved [DO]180
Selenium, dry weight360
Copper, dry weight360
Cadmium, dry weight360
Molybdenum, sludge, total, dry weight [as Mo]360
Zinc, sludge, total, dry weight [as Zn]360
Lead, sludge, total, dry weight [as Pb]360
Nickel, sludge, total, dry weight [as Ni]360
Mercury, sludge, total, dry weight [as Hg]360
Nickel, total [as Ni]240
Enterococci240
Level of pathogen requirements achieved240
Description of pathogen option used240
Vector attraction reduction alternative used240
Fecal coliform120
Polychlorinated biphenyls [PCBs]120
Toxicity characteristic leaching procedure120
Ann. amt sludge disposed by other method120
Annual amt of sludge incinerated120
Annual sludge production, total120
Annual amount of sludge land applied120
Annual amt. sludge disposed surface unit120
Annual amt sludge disposed in landfill120
Annual amt sludge transported interstate120
Unit w/liner/leachate collection system120
Compliance w/part 258 sludge requirement120
Boundary areas120
Salmonella120
Pollutant table from 503.13120
Annual whole sludge application rate100

Inspections, violations and enforcement

DateWhat EPA recordedAgency
April 27, 2022Permit Violations - Violation Specified in CommentST6
March 2, 2017Permit Violations - Violation Specified in CommentST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0093157.

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 TX0093157.

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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 TX0093157 for the HARBOR ISLAND WWTP in Nueces County, TX, held by MARTIN OPERATING PARTNERSHIP LP, which discharges to REDFISH BAY. The permit is listed as administratively continued, with a Minor discharger class and 37 pollutants on file, 3 of them under a numeric limit and 3 with an effluent exceedance. The figures reflect EPA's permit file as loaded on October 14, 2026.