Westfield Wastewater Treatment Plant
Westfield, MA · Hampden County · Publicly Owned Treatment Works
- Average flow
- 2.75 MGD
- Design flow
- 6.1 MGD
- NPDES permit
- 3603741725
- Effective
- Permit expires
- November 2028
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Chemical P Removal
unit processPrimary Clarification or Sedimentation
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processFlow Equalization
unit processScreening
unit processSuspended Growth, Anaerobic
unit processBiosolids Chemical Addition
unit processBiosolids Mechanical Dewatering
unit processBiosolids Thickening
unit processBiological P removal
unit processSuspended Growth, Aerobic
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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.
Key contacts
30 verified contacts for Westfield Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Westfield Wastewater Treatment Plant — plus full compliance history and discharge data.
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Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated February 2025.