Port Arthur Main WWTF
6300 Procter Street Ext, Port Arthur, TX 77640 · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 16.99 MGD
- Design flow
- 9.2 MGD
- NPDES permit
- TX0047589
- Effective
- Permit expires
- September 2030
- Population served
- 54,634
- CWNS 2022
Port Arthur Main WWTF is a publicly owned wastewater treatment works in Port Arthur, Jefferson County, Texas treating an average of 16.99 million gallons per day against a permitted design capacity of 9.2 MGD, serving about 54,634 residents. It discharges under NPDES permit TX0047589 (effective), which expires in September 2030, with 79 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2021.
Treatment technology
One treatment structure or unit process identified at Port Arthur Main WWTF.
Available with a free Klarifi account
See the full treatment train at Port Arthur Main WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 79
- Effluent violations
- 79
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 Port Arthur Main WWTF in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $50,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Aug 2021
City of Port Arthur
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $50,000
EPA's description of the case:
“The Administrative Order was issued to City of Port Arthur for effluent violations of the issued permit. A corrective action plan is required.”
Source: EPA ECHO, civil enforcement case 06-2021-1772.
Full case history with a free Klarifi account
Every action against Port Arthur Main WWTF with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Port Arthur Main WWTF, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Port Arthur Main WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Port Arthur · 1 mi away
8.06 MGD
Nederland · 7 mi away
9.76 MGD
Bridge City · 9 mi away
1.28 MGD
Nederland · 10 mi away
0.97 MGD
Port Arthur · 13 mi away
—
West Orange · 14 mi away
1.15 MGD
Orange · 14 mi away
7.21 MGD
Orange · 14 mi away
0.91 MGD
Port Arthur Main WWTF: 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 May 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms