Clean Water Act discharge permit · NPDES LA0043605

IOWA TOWN OF SD #1, Iowa, LA: NPDES LA0043605 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

IOWA TOWN OF SD #1, held by TOWN OF IOWA SD NO.1, holds NPDES permit LA0043605, which discharges to English Bayou/Calcasieu River. EPA’s file records it issued June 19, 2020 and expiring June 30, 2025.

IOWA TOWN OF SD #1, Iowa, Louisiana: Individual permit LA0043605, held by TOWN OF IOWA SD NO.1; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 19, 2020, term to June 30, 2025; discharges to ENGLISH BAYOU/CALCASIEU RIVER.

Nitrogen, ammonia total [as N]: 3 limits, 99 violations of any kind, 87 effluent exceedances, latest July 31, 2026, largest 24,078% over the limit.
Solids, total suspended: 3 limits, 36 violations of any kind, 24 effluent exceedances, latest March 31, 2026, largest 213% over the limit.
Coliform, fecal general: 2 limits, 16 violations of any kind, 8 effluent exceedances, latest September 30, 2020, largest 99,999% over the limit.
BOD, carbonaceous [5 day, 20 C]: 3 limits, 12 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 3 limits, 0 violations of any kind, 0 effluent exceedances.

Louisiana holds 357 Publicly owned treatment works coverages of this permit type in EPA’s file; 311 were issued before LA0043605.

Coverages issued nearest LA0043605

April 23, 2020: TOWN OF BALDWIN - WWTP, Baldwin, LA0033294, held by TOWN OF BALDWIN
May 8, 2020: MANSURA TOWN OF - WASTEWATER TREATMENT FACILITY, Mansura, LA0042552, held by TOWN OF MANSURA
June 19, 2020: PINEVILLE CITY OF - CITY OF PINEVILLE WWTP, Pineville, LA0033464, held by City of Pineville- Wastewater Treatment Plant
June 19, 2020: OPELOUSAS CITY OF - CANDY STREET WWTF, Opelousas, LA0036404, held by City of Opelousas - Candy Street WWTP
June 19, 2020: JEFFERSON PARISH DEPARTMENT OF SEWERAGE - BRIDGE CITY WWTP, Bridge City, LA0042064, held by Jefferson Parish Department of Sewerage- Bridge City WWTP
August 8, 2020: TERREBONNE PARISH CONSOLIDATED GOVERNMENT - NORTH WASTEWATER TREATMENT PLANT, Houma, LA0040207, held by TERREBONNE PH GOVT-HOUMA NORTH
August 18, 2020: VIVIAN TOWN OF - WWTP, Vivian, LA0020061, held by VIVIAN, TOWN OF
August 18, 2020: OIL CITY TOWN OF - WWTP, Oil City, LA0020508, held by TOWN OF OIL CITY
August 18, 2020: CHATHAM TOWN OF - WASTEWATER TREATMENT FACILITY, Chatham, LA0049905, held by Town of Chatham
August 18, 2020: COLUMBIA HEIGHTS SEWERAGE DISTRICT NO 1, Columbia, LA0060712, held by Columbia Heights Sewerage District No. 1

IOWA TOWN OF SD #1 among its neighbors

EPA’s permit file holds 18 discharge permits in the English Bayou subwatershed (HUC 080802030706), LA0043605 among them. Its county holds 299, 28 of them major permits; LA0043605 is a minor permit.

Other permits in the English Bayou subwatershed (HUC 080802030706)

5F PROPERTIES LLC - MAGNOLIA RUN MOBILE HOME COMMUNITY, Lake Charles: LAG542441, minor permit, permit term to August 24, 2028
AIRGAS NITROGEN SERVICES LLC - LAKE CHARLES FACILITY, Lake Charles: LAR05Q272, minor permit, permit term to October 26, 2026
CALCASIEU PARISH. SD # 11 WTP, Lake Charles: LA0074357, minor permit, discharging to ENGLISH BAYOU, permit term to July 31, 2020
COUNTRY AIRE MHP LLC, Lake Charles: LA0110515, minor permit, discharging to ENGLISH BAYOU-CALCASIEU RIVER, permit term to April 30, 2021
DECON LLC- TANK WASH 36, Lake Charles: LAP028005, minor permit, permit term to December 7, 2020
DELTA FUEL COMPANY LLC - DELTA FUEL LAKE CHARLES, Lake Charles: LA0127835, minor permit, permit term to April 30, 2031
FIRST SERVE INVESTMENTS LLC - MAGNOLIA RUN MOBILE HOME PARK, Lake Charles: LAG542498, minor permit, permit term to August 25, 2028
GILLIS GAS PROCESSING PLANT, Lake Charles: LA0001350, minor permit, permit term to March 31, 2021
GRAMS RETREAT LLC, Ruston: LAG536789, minor permit, permit term to November 30, 2027
J.W. NELSON TRANSPORTS, INC. - LAKE CHARLES FACILITY, Lake Charles: LAP002592, minor permit, permit term to April 3, 2022

Identity

Facility as filed	IOWA TOWN OF SD #1
Permittee as filed	TOWN OF IOWA SD NO.1
NPDES ID	LA0043605
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 19, 2020
Expiration date	June 30, 2025
Address	Iowa, LA 70647
Receiving water	ENGLISH BAYOU/CALCASIEU RIVER
Receiving water impaired	303(D) Listed
Subwatershed	English Bayou (HUC 080802030706)

Effluent limits and exceedances

9Pollutants on file
8Under a numeric limit
7With 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
Nitrogen, ammonia total [as N]	3	99	87	July 31, 2026	24,078% over the limit
Solids, total suspended	3	36	24	March 31, 2026	213% over the limit
Coliform, fecal general	2	16	8	September 30, 2020	99,999% over the limit
BOD, carbonaceous [5 day, 20 C]	3	12	0
pH	2	8	0
Flow, in conduit or thru treatment plant	2	8	0
Chlorine, total residual	0	2	0
Nitrogen, total [as N]	3	0	0
Phosphorus, total [as P]	3	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0043605.

Inspections

EPA’s inspection file holds no inspection for NPDES LA0043605.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES LA0043605.

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

This public-records page covers Clean Water Act discharge permit NPDES LA0043605, held by TOWN OF IOWA SD NO.1 for the IOWA TOWN OF SD #1 facility in Iowa, LA, which discharges to ENGLISH BAYOU/CALCASIEU RIVER within the English Bayou subwatershed (HUC 080802030706). The permit is listed as administratively continued, with a minor discharger class, 8 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance.