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Clean Water Act discharge permit · NPDES LA0033430

OAKDALE, CITY OF, Oakdale, LA: NPDES LA0033430 discharge permit, effluent exceedances, inspections, penalties

OAKDALE, CITY OF holds NPDES permit LA0033430, which discharges to Beaver Creek/Boggy Creek/East Fork. EPA’s file records it issued September 22, 2015 and expiring October 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedOAKDALE, CITY OF
Permittee as filedOAKDALE, CITY OF
NPDES IDLA0033430
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 22, 2015
Expiration dateOctober 31, 2020
AddressOakdale, LA 71463
Receiving waterBEAVER CREEK/BOGGY CREEK/EAST FORK
SubwatershedBeaver Creek (HUC 080802010102)

Cited to the EPA ICIS-NPDES permit file (ECHO 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]3471438July 31, 20261,318% over the limit
BOD, carbonaceous [5 day, 20 C]3345312June 30, 20266,887% over the limit
Solids, total suspended3305287April 30, 2025846% over the limit
Coliform, fecal general2126106July 31, 202399,999% over the limit
Whole Effluent Toxicity [WET] - P. promelas47464July 31, 202699,999% over the limit
Whole Effluent Toxicity [WET] - C. dubia46452July 31, 202699,999% over the limit
Whole effluent toxicity05036September 30, 201568% over the limit
Oxygen, dissolved [DO]24029September 30, 202136% over the limit
Chlorine, total residual13014October 31, 20211,300% over the limit
Copper, total [as Cu]0188January 31, 20109,900% over the limit
pH2202October 31, 2016
Zinc, total [as Zn]0111January 31, 201020% over the limit
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia4240
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia4240
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia4220
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia4220
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas4200
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas4200
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas4200
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas4200
Flow, in conduit or thru treatment plant2200
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia2200
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas2160
Phosphorus, total [as P]4120
Nitrogen, nitrate total [as N]0120
Nitrogen, total [as N]480
Whole effluent toxicity - retest #1020

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
June 9, 2023Management Practice Violations - Improper Operation and MaintenanceST6
June 9, 2023Biosolids: Other Management Practice ViolationST6
March 31, 2023Failure to submit noncompliance report - SSO discharge [40 CFR 122.41(l)(7)]ST6
March 15, 2023Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)]ST6
March 15, 2023Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)]ST6
February 9, 2023Management Practice Violations - Improper Operation and MaintenanceST6
December 31, 2022Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
December 31, 2021Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
June 10, 2021Management Practice Violations - Improper Operation and MaintenanceST6
June 10, 2021Biosolids: Other Management Practice ViolationST6
June 10, 2021Permit Violations - Violation Specified in CommentST6
June 10, 2021Effluent Violations - Unauthorized DischargeST6
June 10, 2021Monitoring Violations - Improper Analysis or Lab ErrorST6
December 21, 2020WW SSO - Improper Operation and MaintenanceST6
December 21, 2020WW SSO - Discharge to WatersST6
December 21, 2020Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
December 31, 2019Reporting Violations - Improper/ Incorrect ReportingST6
October 21, 2019Management Practice Violations - Violation of a milestone in an orderST6
July 16, 2019WW SSO - Improper Operation and MaintenanceST6
July 16, 2019WW SSO - Discharge to WatersST6
July 16, 2019Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
June 30, 2019Reporting Violations - Late Submittal of DMRsST6
June 24, 2019WW SSO - Improper Operation and MaintenanceST6
June 24, 2019WW SSO - Discharge to WatersST6
May 31, 2019Effluent Violations - Failed Toxicity TestST6
May 22, 2019Management Practice Violations - Improper Operation and MaintenanceST6
May 22, 2019Biosolids: Other Management Practice ViolationST6
May 22, 2019Monitoring Violations - Invalid/Unrepresentative SampleST6
May 22, 2019Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
May 22, 2019Reporting Violations - Improper/ Incorrect ReportingST6
May 22, 2019Management Practice Violations - Failure to Maintain RecordsST6
May 22, 2019Reporting Violations - Failure to NotifyST6
June 30, 2018Reporting Violations - Late Submittal of DMRsST6
April 30, 2018Effluent Violations - Failed Toxicity TestST6
March 31, 2018Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
March 26, 2018WW SSO - Improper Operation and MaintenanceST6
March 26, 2018WW SSO - Discharge to WatersST6
January 31, 2018WW SSO - Discharge to WatersST6
January 31, 2018WW SSO - Improper Operation and MaintenanceST6
January 28, 2018WW SSO - Discharge to WatersST6
January 28, 2018WW SSO - Improper Operation and MaintenanceST6
November 30, 2017Effluent Violations - Failed Toxicity TestST6
April 30, 2017Effluent Violations - Failed Toxicity TestST6
March 28, 2017Monitoring Violations - Improper Analysis or Lab ErrorST6
March 28, 2017Management Practice Violations - Improper Operation and MaintenanceST6
January 31, 2017Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 LA0033430 there.

Nearby on the register

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