Clean Water Act discharge permit · NPDES LA0127775

NATIONAL WATER INFRASTRUCTURE, LLC - LAMAR DIXON WWTP, Gonzales, LA: NPDES LA0127775 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
8Pollutants under a numeric limit
3Pollutants with an effluent exceedance

NATIONAL WATER INFRASTRUCTURE, LLC - LAMAR DIXON WWTP holds NPDES permit LA0127775. EPA’s file records it issued September 10, 2024 and expiring October 31, 2029. 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 filed	NATIONAL WATER INFRASTRUCTURE, LLC - LAMAR DIXON WWTP
Permittee as filed	NATIONAL WATER INFRASTRUCTURE, LLC - LAMAR DIXON WWTP
NPDES ID	LA0127775
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 10, 2024
Expiration date	October 31, 2029
Address	Gonzales, LA 70000
Receiving water impaired	303(D) Listed
Subwatershed	Bayou Conway (HUC 080702040203)
SIC	0752 – Animal Specialty Services

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

8Pollutants on file
8Under a numeric limit
3With 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	2	10	10	March 31, 2026	210% over the limit
Coliform, fecal general	2	10	10	December 31, 2025	820% over the limit
BOD, 5-day, 20 deg. C	2	5	5	March 31, 2026	140% over the limit
pH	2	0	0
Nitrogen, total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Oil & Grease	1	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0127775.

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.

Watch this permit

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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 LA0127775 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES LA0127775 for NATIONAL WATER INFRASTRUCTURE, LLC - LAMAR DIXON WWTP in Gonzales, LA, showing an Effective status, a Minor Discharger class, and 8 pollutants on file with 3 under a numeric limit and 3 with an effluent exceedance. The permit is listed as issued September 10, 2024 and expiring October 31, 2029, with the subwatershed given as Bayou Conway (HUC 080702040203).