Clean Water Act discharge permit · NPDES LA0127475

GREATER OUACHITA WATER CO - MID-SOUTH REGIONAL WASTEWATER TREATMENT PLANT, Monroe, LA: NPDES LA0127475 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
10Pollutants under a numeric limit
3Pollutants with an effluent exceedance

GREATER OUACHITA WATER CO - MID-SOUTH REGIONAL WASTEWATER TREATMENT PLANT, held by GREATER OUACHITA WATER COMPANY: MID-SOUTH REGIONAL WWTF, holds NPDES permit LA0127475. EPA’s file records it issued March 28, 2022 and expiring March 31, 2027. 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	GREATER OUACHITA WATER CO - MID-SOUTH REGIONAL WASTEWATER TREATMENT PLANT
Permittee as filed	GREATER OUACHITA WATER COMPANY: MID-SOUTH REGIONAL WWTF
NPDES ID	LA0127475
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	March 28, 2022
Expiration date	March 31, 2027
Address	Monroe, LA 71201
Receiving water impaired	303(D) Listed
Subwatershed	Youngs Bayou (HUC 080500011305)

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

Effluent limits and exceedances

10Pollutants on file
10Under a numeric limit
4With a violation of any kind
3With 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
BOD, carbonaceous [5 day, 20 C]	3	13	13	March 31, 2026	1,040% over the limit
Solids, total suspended	3	8	8	March 31, 2025	97% over the limit
Coliform, fecal general	2	1	1	February 28, 2023	371% over the limit
Oxygen, dissolved [DO]	1	6	0
Nitrogen, ammonia total [as N]	6	0	0
Nitrogen, total [as N]	3	0	0
Phosphorus, total [as P]	3	0	0
pH	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Chlorine, total residual	1	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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0127475.

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.

Watch this permit

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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 LA0127475 there.

Nearby on the register

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

This EPA public-records page covers NPDES permit LA0127475, held by GREATER OUACHITA WATER COMPANY: MID-SOUTH REGIONAL WWTF for the GREATER OUACHITA WATER CO - MID-SOUTH REGIONAL WASTEWATER TREATMENT PLANT in Monroe, LA, showing a status of Effective and an expiration date of March 31, 2027. The permit is classed as a Minor discharger, with 10 pollutants on file, 10 under a numeric limit, and 3 with an effluent exceedance, in the Youngs Bayou watershed (HUC 080500011305).