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Clean Water Act discharge permit · NPDES LA0038741

MONROE, CITY OF- WATER POLLUTION CONTROL CENTER, Monroe, LA: NPDES LA0038741 discharge permit, effluent exceedances, inspections, penalties

MONROE, CITY OF- WATER POLLUTION CONTROL CENTER, held by City of Monroe, holds NPDES permit LA0038741, which discharges to Ouachita River. EPA’s file records it issued July 18, 2016 and expiring July 31, 2021. 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 filedMONROE, CITY OF- WATER POLLUTION CONTROL CENTER
Permittee as filedCity of Monroe
NPDES IDLA0038741
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
IssuedJuly 18, 2016
Expiration dateJuly 31, 2021
AddressMonroe, LA 71201
Receiving waterOUACHITA RIVER
Receiving water impaired303(D) Listed
SubwatershedTupawek Bayou-Ouachita River (HUC 080402070203)
Program components on filePOTW, Pretreatment
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]39978July 31, 20234,845% over the limit
pH28364January 31, 2012
Chlorine, total residual05752January 31, 200332,526% over the limit
Solids, total suspended38748August 31, 2023283% over the limit
Coliform, fecal general25941May 31, 201899,999% over the limit
BOD, carbonaceous [5 day, 20 C]36235February 28, 20232,790% over the limit
Mercury, total [as Hg]24914March 31, 201790,765% over the limit
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia2320
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia2320
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia2300
Flow, in conduit or thru treatment plant2260
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia2260
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas2260
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas2260
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas2260
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas2200
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia1200
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas1120
Priority pollutants scan [yes/no]290
Copper, total [as Cu]440
Zinc, total [as Zn]430
Nitrogen, total [as N]030
Phosphorus, total [as P]030
Whole effluent toxicity - retest #1400
Whole effluent toxicity - retest #2400
WET, sublethal retest #1400
WET, sublethal retest #2400
Whole Effluent Toxicity - Retest #3400
Whole Effluent Toxicity, Sub-Lethal Retest #3400

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
October 31, 2019WW SSO - Improper Operation and MaintenanceST6
October 31, 2019WW SSO - Discharge to WatersST6
October 31, 2017WW SSO - Improper Operation and MaintenanceST6
October 31, 2017WW SSO - Discharge to WatersST6
September 30, 2017WW SSO - Discharge to WatersST6
September 30, 2017WW SSO - Improper Operation and MaintenanceST6
May 5, 2017Permit Violations - Failure to Submit Timely Permit Renewal ApplicationST6
January 31, 2017WW SSO - Discharge to WatersST6
January 31, 2017WW SSO - Improper Operation and MaintenanceST6

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

This public-records page covers NPDES permit LA0038741, held by City of Monroe for MONROE, CITY OF- WATER POLLUTION CONTROL CENTER in Monroe, LA, which discharges to the Ouachita River and is administratively continued. The page lists a discharger class of 26, seven pollutants under a numeric limit, and seven pollutants with an effluent exceedance.