Clean Water Act discharge permit · NPDES LA0066559

UTILITIES, INC. OF LA- ARROWWOOD REGIONAL WWTP, Covington, LA: NPDES LA0066559 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
24Pollutants under a numeric limit
7Pollutants with an effluent exceedance

UTILITIES, INC. OF LA- ARROWWOOD REGIONAL WWTP, held by Utilities, Inc. of LA- Arrowwood Regional WWTP, holds NPDES permit LA0066559, which discharges to Abita River, Tchefruncte River. EPA’s file records it issued September 29, 2015 and expiring October 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	UTILITIES, INC. OF LA- ARROWWOOD REGIONAL WWTP
Permittee as filed	Utilities, Inc. of LA- Arrowwood Regional WWTP
NPDES ID	LA0066559
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Not a publicly owned treatment works
Issued	September 29, 2015
Expiration date	October 31, 2020
Address	Covington, LA 70433
Receiving water	ABITA RIVER, TCHEFRUNCTE RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Abita River (HUC 080902010105)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

25Pollutants on file
24Under a numeric limit
11With a violation of any kind
7With 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
Coliform, fecal general	2	10	6	June 30, 2023	500% over the limit
Copper, total [as Cu]	4	6	6	December 31, 2023	90% over the limit
Whole Effluent Toxicity [WET] - C. dubia	0	6	6	March 31, 2026	99,999% over the limit
Zinc, total [as Zn]	2	5	5	December 31, 2023	102% over the limit
BOD, carbonaceous [5 day, 20 C]	3	10	4	January 31, 2021	20% over the limit
Solids, total suspended	3	9	3	November 30, 2019	37% over the limit
Nitrogen, ammonia total [as N]	3	9	1	October 31, 2012	5% over the limit
pH	2	4	0
Flow, in conduit or thru treatment plant	2	4	0
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	2	0
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas	2	2	0
Whole effluent toxicity - retest #1	4	0	0
Whole effluent toxicity - retest #2	4	0	0
WET, sublethal retest #1	4	0	0
WET, sublethal retest #2	4	0	0
Whole Effluent Toxicity - Retest #3	4	0	0
Whole Effluent Toxicity, Sub-Lethal Retest #3	4	0	0
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	0	0
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas	2	0	0
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	0	0
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	2	0	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	0	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	2	0	0
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia	2	0	0
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas	2	0	0

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

13Single-event violations

Date	What EPA recorded	Agency
January 5, 2023	Management Practice Violations - Improper Operation and Maintenance	ST6
June 28, 2022	WW SSO - Discharge to Waters	ST6
June 11, 2021	Management Practice Violations - Improper Operation and Maintenance	ST6
June 11, 2021	Failure to comply with recordkeeping requirements - industrial stormwater [40 CFR 122.41(j)]	ST6
May 4, 2020	Permit Violations - Failure to Submit Timely Permit Renewal Application	ST6
November 15, 2019	WW SSO - Discharge to Waters	ST6
August 10, 2019	Management Practice Violations - Improper Operation and Maintenance	ST6
March 28, 2019	WW SSO - Improper Operation and Maintenance	ST6
October 31, 2018	WW SSO - Improper Operation and Maintenance	ST6
October 31, 2018	WW SSO - Discharge to Waters	ST6
October 16, 2018	WW SSO - Improper Operation and Maintenance	ST6
October 16, 2018	WW SSO - Discharge to Waters	ST6
September 12, 2017	Reporting Violations - Improper/ Incorrect Reporting	ST6

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 LA0066559 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers the Clean Water Act discharge permit NPDES LA0066559, held by Utilities, Inc. of LA- Arrowwood Regional WWTP in Covington, LA, which is administratively continued and classed as a Major Discharger. The page lists 24 pollutants under a numeric limit and 7 pollutants with an effluent exceedance, with the permit recorded as issued September 29, 2015 and expiring October 31, 2020.