Port St Lucie Utility Westport WWTF
3721 SW Darwin Blvd, Port St Lucie, FL · St. Lucie County · Publicly Owned Treatment Works
- Average flow
- 12 MGD
- Design flow
- 12 MGD
- NPDES permit
- FLA139653
- Effective
- Permit expires
- September 2031
- Population served
- —
- CWNS 2022
Port St Lucie Utility Westport WWTF is a publicly owned wastewater treatment works in Port St Lucie, St. Lucie County, Florida treating an average of 12 million gallons per day against a permitted design capacity of 12 MGD. It discharges under NPDES permit FLA139653 (effective), which expires in September 2031.
Treatment technology
3 treatment structures and unit processes identified at Port St Lucie Utility Westport WWTF.
Available with a free Klarifi account
See the full treatment train at Port St Lucie Utility Westport WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- —
- Effluent violations
- —
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Port St Lucie Utility Westport WWTF.
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Nearby wastewater treatment plants in Florida
Jensen Beach · 6 mi away
2.76 MGD
Stuart · 7 mi away
0.04 MGD
Indiantown · 9 mi away
0.37 MGD
Port St Lucie · 10 mi away
12 MGD
Fort Pierce · 12 mi away
0.02 MGD
Fort Pierce · 15 mi away
10 MGD
Hutchinson Island · 18 mi away
0.85 MGD
Fort Pierce · 19 mi away
0.05 MGD
Port St Lucie Utility Westport 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 October 22, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms