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Clean Water Act discharge permit · NPDES LAL044059

PLAQUEMINES PAR (PORT SULPHUR), Port Sulphur, LA: NPDES LAL044059 discharge permit, effluent exceedances, inspections, penalties

PLAQUEMINES PAR (PORT SULPHUR), held by PLAQUEMINES PARISH GOVERNMENT, holds NPDES permit LAL044059, which discharges to 07c. EPA’s file records it issued January 1, 2021 and expiring December 31, 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 filedPLAQUEMINES PAR (PORT SULPHUR)
Permittee as filedPLAQUEMINES PARISH GOVERNMENT
NPDES IDLAL044059
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeAssociated permit record
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
ProgramBiosolids
IssuedJanuary 1, 2021
Expiration dateDecember 31, 2025
AddressPort Sulphur, LA 70083
Receiving water07C
Receiving water impaired303(D) Listed
SubwatershedPort Sulphur (HUC 080903010510)
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
Arsenic, dry weight0200
Nickel, sludge, total, dry weight [as Ni]0200
Selenium, dry weight0120
Copper, dry weight0120
Cadmium, dry weight0120
Molybdenum, sludge, total, dry weight [as Mo]0120
Zinc, sludge, total, dry weight [as Zn]0120
Lead, sludge, total, dry weight [as Pb]0120
Mercury, sludge, total, dry weight [as Hg]0120
Chromium, sludge, total, dry weight [as Cr]080
Level of pathogen requirements achieved080
Description of pathogen option used080
Vector attraction reduction alternative used080
Polychlorinated biphenyls [PCBs]060
Toxicity characteristic leaching procedure060
Ann. amt sludge disposed by other method050
Annual amt of sludge incinerated050
Annual sludge production, total050
Annual amount of sludge land applied050
Annual amt. sludge disposed surface unit050
Annual amt sludge disposed in landfill050
Annual amt sludge transported interstate050
Compliance w/part 258 sludge requirement050
Unit w/liner/leachate collection system040
Unit boundary to property line distance040
Pollutant table from 503.13040

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES LAL044059.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES LAL044059.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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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Nearby on the register

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

What this page shows

The PLAQUEMINES PAR (PORT SULPHUR) permit, held by the PLAQUEMINES PARISH GOVERNMENT, is one of 3 NPDES permits in the Port Sulphur subwatershed, including this one. It is also one of 4 biosolids permits on EPA's NPDES register in Plaquemines Parish, including this one. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, each counted as 0.