Westport WPCF
Westport, CT · Fairfield County · Publicly Owned Treatment Works
- Average flow
- 1.46 MGD
- Design flow
- 2.85 MGD
- NPDES permit
- CT0100684
- Administratively continued
- Permit expires
- July 2024
- Population served
- 27,128
- CWNS 2022
Westport WPCF is a publicly owned wastewater treatment works in Westport, Fairfield County, Connecticut treating an average of 1.46 million gallons per day against a permitted design capacity of 2.85 MGD, serving about 27,128 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit CT0100684 (administratively continued), which expires in July 2024, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Westport
Westport's capital improvement plan lists 12 water, sewer and wastewater line items worth $2M starting 2025–2031. The largest budgeted items are shown here.
All water and sewer capital projects in Westport →
| Project | Budget | Years |
|---|---|---|
| Upgrade Mechanical Aerators | $550,000 | 2028–2029 |
| 500KW Generator #2 at Plant | $400,000 | 2026–2026 |
| 500KW Generator #1 at Plant | $350,000 | 2025–2025 |
| Rebuild Grit Concentrator | $250,000 | 2027–2027 |
| Pave All Pavement Areas at Plant | $200,000 | 2031–2031 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
1 verified contact for Westport WPCF, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Westport WPCF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Connecticut
East Norwalk · 3 mi away
9.4 MGD
Fairfield · 6 mi away
5.9 MGD
New Canaan · 6 mi away
0.55 MGD
Bridgeport · 8 mi away
16.7 MGD
Redding · 10 mi away
0.03 MGD
Stamford · 10 mi away
12.5 MGD
Bridgeport · 11 mi away
4.1 MGD
Stratford · 13 mi away
5.02 MGD
Westport WPCF: 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 September 11, 2026; facility record last updated May 15, 2025.