Clean Water Act discharge permit · NPDES LA0095222

NATCHITOCHES, CITY OF, Natchitoches, LA: NPDES LA0095222 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
16Pollutants under a numeric limit
3Pollutants with an effluent exceedance

NATCHITOCHES, CITY OF, held by City of Natchitoches, holds NPDES permit LA0095222. EPA’s file records it issued June 22, 2017 and expiring July 31, 2022. 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	NATCHITOCHES, CITY OF
Permittee as filed	City of Natchitoches
NPDES ID	LA0095222
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 22, 2017
Expiration date	July 31, 2022
Address	Natchitoches, LA 71458
Receiving water impaired	303(D) Listed
Subwatershed	Upper Red River (HUC 111402071001)

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

Effluent limits and exceedances

18Pollutants on file
16Under a numeric limit
15With 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
Coliform, fecal general	2	18	10	December 31, 2025	350% over the limit
Solids, total suspended	3	19	4	November 30, 2025	140% over the limit
pH	2	11	3	May 31, 2024
BOD, 5-day, 20 deg. C	3	12	0
Nitrogen, total [as N]	6	9	0
Phosphorus, total [as P]	6	9	0
Flow, in conduit or thru treatment plant	2	8	0
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	4	6	0
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	4	6	0
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	4	6	0
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	4	6	0
Coef Of Var Static Renewal 48Hr Acute D. pulex	2	5	0
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas	2	5	0
Sulfate [as S]	0	3	0
Di[2-ethylhexyl] phthalate [DEHP]	0	3	0
Whole effluent toxicity - retest #1	8	0	0
Whole effluent toxicity - retest #2	8	0	0
Whole Effluent Toxicity - Retest #3	8	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 LA0095222.

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 LA0095222 there.

Nearby on the register

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

This public-records page covers NPDES permit LA0095222, held by NATCHITOCHES, CITY OF (City of Natchitoches) in Natchitoches, LA, and is listed as administratively continued. The page reports 18 pollutants on file, 16 of them under a numeric limit, 15 with a violation of any kind, and 3 with an effluent exceedance.