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Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP

200 Parker St., New Iberia, LA 70560 · Iberia County · Publicly Owned Treatment Works

Average flow
1.6 MGD
Design flow
2.5 MGD
NPDES permit
LA0065251
Effective
Permit expires
April 2027
Population served
18,626
CWNS 2022

Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP is a publicly owned wastewater treatment works in New Iberia, Iberia County, Louisiana treating an average of 1.6 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 18,626 residents. It discharges under NPDES permit LA0065251 (effective), which expires in April 2027, with 115 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in October 2005.

Treatment technology

2 treatment structures and unit processes identified at Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP.

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See the full treatment train at Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations
115
Effluent violations
115

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP in EPA's ICIS system.

Formal actions
2
0 since FY2020
Penalties assessed
$286,400
all cases
Compliance actions
$80M
required by EPA orders
EPA inspections
0
none on record

Latest case · Oct 2005

NEW IBERIA, CITY OF WTTP

Judicial case · CWA, NPDES Permit Violations · Final Order Entered · Penalty $235,000 · Compliance actions $50M

Source: EPA ECHO, civil enforcement case 06-2001-0273.

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Every action against Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

1 verified contact for Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Louisiana

Loreauville, Village Of- Municipal Sewer Treatment Plant

Loreauville · 5 mi away

0.07 MGD

Port Of Iberia WWTP

New Iberia · 6 mi away

0.04 MGD

Jeanerette, City Of

Jeanerette · 6 mi away

0.63 MGD

—

St. Martinville, City Of

St. Martinville · 12 mi away

0.28 MGD

Four Corners Treatment Plant

Four Corners · 13 mi away

0.12 MGD

Town Of Delcambre WWTP

Delcambre · 14 mi away

0.48 MGD

Village Of Parks WWTF

Parks · 16 mi away

0.93 MGD

Sewerage District #1 Of Iberia Parish & City Of New Iberia- Tete Bayou WWTP: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed October 26, 2026; facility record last updated August 9, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms


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