Pittsfield Wastewater Treatment Facility
Pittsfield, MA · Berkshire County · Publicly Owned Treatment Works
- Average flow
- 7 MGD
- Design flow
- 17 MGD
- NPDES permit
- MA0101681
- Effective
- Permit expires
- October 2026
- Population served
- 48,150
- CWNS 2022
Pittsfield Wastewater Treatment Facility is a publicly owned wastewater treatment works in Pittsfield, Berkshire County, Massachusetts treating an average of 7 million gallons per day against a permitted design capacity of 17 MGD, serving about 48,150 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos, biogas balloons, biological n removal and other unit processes. It discharges under NPDES permit MA0101681 (effective), which expires in October 2026, with 84 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Carrousels / oxidation ditches
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Biogas silos
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Biogas balloons
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Biological N removal
unit processBiosolids Anaerobic Digestion with Energy Recovery
unit processBiosolids Thickening
unit processChemical Addition, Polymer
unit processChemical P Removal
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processFlow Equalization
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processSuspended Growth, Aerobic
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 84
- Effluent violations
- 26
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Pittsfield
Pittsfield's capital improvement plan lists 19 water, sewer and wastewater line items worth $19M starting 2026–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Pittsfield →
| Project | Budget | Years |
|---|---|---|
| WWTP Raw Sewage Pump Replacement | $4,300,000 | 2028–2028 |
| CHP - Supplemental | $2,800,000 | 2026–2026 |
| WWTP Switchgear | $2,800,000 | 2026–2026 |
| WWTP Road Repairs | $2,300,000 | 2027–2027 |
| WWTP Aeration Automated Valves (EPA Grant) | $1,572,598 | 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 Pittsfield Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Pittsfield Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Lenox · 4 mi away
0.3 MGD
Lee · 8 mi away
0.47 MGD
West Stockbridge · 8 mi away
0.009 MGD
Stockbridge · 9 mi away
0.1 MGD
Williamstown · 22 mi away
2.04 MGD
Huntington · 22 mi away
0.03 MGD
Russell · 25 mi away
0.04 MGD
Monroe Bridge · 27 mi away
0.0027 MGD
Pittsfield Wastewater Treatment Facility: 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 March 16, 2025.