Northampton Wastewater Treatment Plant
Northampton, MA · Hampshire County · Publicly Owned Treatment Works
- Average flow
- 4.23 MGD
- Design flow
- 8.65 MGD
- NPDES permit
- 3603741719
- 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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Biogas balloons
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Sedimentation
unit processBiological N removal
unit processDisinfection, chlorine/ chloramine
unit processFlotation
unit processChemical Addition, Polymer
unit processPrimary Clarification or Sedimentation
unit processBiosolids Mechanical Dewatering
unit processScreening
unit processBiosolids Thickening
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 40
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Northampton
| Project | Budget | Years |
|---|---|---|
| Reservoir Construction | $8,750,000 | 2028–2029 |
| Transmission Main Rehabilitation | $6,500,000 | 2027–2027 |
| Waterline Replacement | $4,500,000 | 2026–2030 |
| Sewer Line Replacement | $3,750,000 | 2026–2030 |
| Main Street Corridor Utility Infrastructure | $3,200,000 | 2026–2026 |
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
5 verified contacts for Northampton 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 Northampton 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 March 2025.