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Clean Water Act discharge permit · NPDES LA0038709

DEQUINCY, TOWN OF, Dequincy, LA: NPDES LA0038709 discharge permit, effluent exceedances, inspections, penalties

DEQUINCY, TOWN OF, held by CITY OF DEQUINCY, holds NPDES permit LA0038709, which discharges to Buxton Creek. EPA’s file records it issued September 16, 2014 and expiring October 30, 2019. 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 filedDEQUINCY, TOWN OF
Permittee as filedCITY OF DEQUINCY
NPDES IDLA0038709
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 16, 2014
Expiration dateOctober 30, 2019
AddressDequincy, LA 70633
Receiving waterBUXTON CREEK
Receiving water impaired303(D) Listed
SubwatershedBuxton Creek (HUC 080802050404)
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
Nitrogen, ammonia total [as N]311775August 31, 2025580% over the limit
Coliform, fecal general27242November 30, 202099,999% over the limit
Copper, total [as Cu]85121March 31, 20221,036% over the limit
Whole Effluent Toxicity [WET] - C. dubia42810July 31, 202699,999% over the limit
Whole Effluent Toxicity [WET] - P. promelas4246February 28, 202324% over the limit
Oxygen, dissolved [DO]1152December 31, 201718% over the limit
pH2311January 31, 2014
Solids, total suspended3450
BOD, carbonaceous [5 day, 20 C]3450
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia4300
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia4300
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia4300
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas4300
Flow, in conduit or thru treatment plant2300
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas4280
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas4280
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia4210
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas4210
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia4200
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas4180
Cadmium, total [as Cd]060
Lead, total [as Pb]060
Whole effluent toxicity - retest #1800
Whole effluent toxicity - retest #2800
Whole Effluent Toxicity - Retest #3800

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

DateWhat EPA recordedAgency
December 31, 2023Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
January 31, 2023Monitoring Violations - Analysis not ConductedST6
December 31, 2022Reporting Violations - Failure to NotifyST6
December 19, 2022WW SSO - Improper Operation and MaintenanceST6
December 14, 2022WW SSO - Improper Operation and MaintenanceST6
December 31, 2019Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
May 10, 2019Permit Violations - Failure to Submit Timely Permit Renewal ApplicationST6

Inspections

DateWhat EPA recordedAgency
July 22, 2026EvaluationS

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 LA0038709.

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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How we handle your data → Privacy

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 LA0038709 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 LA0038709, held by CITY OF DEQUINCY for DEQUINCY, TOWN OF in Dequincy, LA, which discharges to Buxton Creek within subwatershed Buxton Creek (HUC 080802050404). The permit is administratively continued, classed as a major discharger, and lists 7 pollutants under a numeric limit and 23 pollutants with an effluent exceedance.