Clean Water Act discharge permit · NPDES LA0127631

SUPREME RICE, LLC -MERMENTAU FACILITY, Mermentau, LA: NPDES LA0127631 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
9Pollutants under a numeric limit
0Pollutants with an effluent exceedance

SUPREME RICE, LLC -MERMENTAU FACILITY holds NPDES permit LA0127631. EPA’s file records it issued October 17, 2022 and expiring October 16, 2027. 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.

What the register holds for SUPREME RICE, LLC -MERMENTAU FACILITY: its NPDES ID, its permit type and status, its dates, its address in Mermentau, Louisiana, and 9 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES LA0127631.

Identity

Facility as filed	SUPREME RICE, LLC -MERMENTAU FACILITY
Permittee as filed	SUPREME RICE, LLC -MERMENTAU FACILITY
NPDES ID	LA0127631
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 17, 2022
Expiration date	October 16, 2027
Address	Mermentau, LA 70556
Receiving water impaired	303(D) Listed
Subwatershed	Keystone Ditch-Mermentau River (HUC 080802020301)
SIC	2044 – Rice Milling
Other EPA IDs (FRS)	ICIS-AIR source LA0000002200100013

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
0With a violation of any kind
0With 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
BOD, 5-day, 20 deg. C	4	0	0
pH	4	0	0
Solids, total suspended	4	0	0
Flow, in conduit or thru treatment plant	4	0	0
Nitrogen, total [as N]	2	0	0
Nitrogen, ammonia total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0
Coliform, fecal general	2	0	0
Temperature, water deg. fahrenheit	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES LA0127631.

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 LA0127631.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, LA0127631.

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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 LA0127631 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 LA0127631 for SUPREME RICE, LLC - MERMENTAU FACILITY in Mermentau, LA, which EPA's file records as issued October 17, 2022 and expiring October 16, 2027. The page lists 9 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the status as of October 14, 2026.