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Youngsville Wastewater Treatment Facility

Railroad St (La Hwy 734), Youngsville, LA 70592 · Lafayette County · Publicly Owned Treatment Works

Average flow
1.42 MGD
Design flow
—
NPDES permit
LA0055328
Administratively continued
Permit expires
April 2018
Population served
15,929
CWNS 2022

Youngsville Wastewater Treatment Facility is a publicly owned wastewater treatment works in Youngsville, Lafayette County, Louisiana treating an average of 1.42 million gallons per day, serving about 15,929 residents. It discharges under NPDES permit LA0055328 (administratively continued), which expires in April 2018, with 32 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in December 2002.

Treatment technology

3 treatment structures and unit processes identified at Youngsville Wastewater Treatment Facility.

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See the full treatment train at Youngsville Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations
32
Effluent violations
14

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 Youngsville Wastewater Treatment Facility in EPA's ICIS system.

Formal actions
3
0 since FY2020
Penalties assessed
$26,000
all cases
Compliance actions
$1.1M
required by EPA orders
EPA inspections
0
none on record

Latest case · Dec 2002

YOUNGSVILLE, TOWN OF, A LOUIISANA MUNICIPALITY

Administrative order · CWA, NPDES Discharge without a Permit · Final Order With Penalty · Penalty $26,000

Source: EPA ECHO, civil enforcement case 06-2000-0817.

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Every action against Youngsville Wastewater Treatment Facility 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 Youngsville Wastewater Treatment Facility, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Youngsville Wastewater Treatment Facility, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Louisiana

Lafayette Consolidated Government - Ambassador Caffery STP

Lafayette · 6 mi away

5.29 MGD

Broussard, City Of

Broussard · 6 mi away

1.16 MGD

0.19 MGD

South Water Treatment Plant

Lafayette · 8 mi away

0.01 MGD

2.58 MGD

St. Martinville, City Of

St. Martinville · 9 mi away

0.28 MGD

Erath, Town Of (wwtp)

Erath · 9 mi away

0.18 MGD

Youngsville Wastewater Treatment Facility: 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 17, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms


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