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Clean Water Act discharge permit · NPDES LA0124753

NATIONAL WATER INFRASTRUCTURE LLC - MEADOW RIDGE SUBDIVISION STP, Prairieville, LA: NPDES LA0124753 discharge permit, effluent exceedances, inspections, penalties

NATIONAL WATER INFRASTRUCTURE LLC - MEADOW RIDGE SUBDIVISION STP, held by NATIONAL WATER INFRASTRUCTURE, LLC - MEADOW RIDGE, holds NPDES permit LA0124753. EPA’s file records it issued February 20, 2019 and expiring March 31, 2024. 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 filedNATIONAL WATER INFRASTRUCTURE LLC - MEADOW RIDGE SUBDIVISION STP
Permittee as filedNATIONAL WATER INFRASTRUCTURE, LLC - MEADOW RIDGE
NPDES IDLA0124753
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
IssuedFebruary 20, 2019
Expiration dateMarch 31, 2024
AddressPrairieville, LA 70769
Receiving water impaired303(D) Listed
SubwatershedBayou Fountain-Bayou Manchac (HUC 080702020804)
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
BOD, carbonaceous [5 day, 20 C]7122122March 31, 2026736% over the limit
Nitrogen, ammonia total [as N]78484April 30, 2026910% over the limit
Solids, total suspended73737March 31, 2026509% over the limit
Coliform, fecal general41915January 31, 202699,999% over the limit
Flow, in conduit or thru treatment plant620
Nitrogen, total [as N]700
Phosphorus, total [as P]700
Chloride [as Cl]300
Sulfate, total [as SO4]300
Solids, total dissolved300
pH200
Oxygen, dissolved [DO]100

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 LA0124753.

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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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 LA0124753 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES LA0124753, held by NATIONAL WATER INFRASTRUCTURE, LLC - MEADOW RIDGE for the NATIONAL WATER INFRASTRUCTURE LLC - MEADOW RIDGE SUBDIVISION STP in Prairieville, LA, with a status of administratively continued. The permit lists 12 under the Minor Discharger class, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance. The subwatershed is recorded as Bayou Fountain-Bayou Manchac (HUC 080702020804).