Newburyport Wastewater Treatment Facility
Newburyport, MA · Essex County · Publicly Owned Treatment Works
- Average flow
- 1.45 MGD
- Design flow
- —
- NPDES permit
- MAG590035
- Effective
- Permit expires
- October 2027
- Population served
- 17,891
- CWNS 2022
Newburyport Wastewater Treatment Facility is a publicly owned wastewater treatment works in Newburyport, Essex County, Massachusetts treating an average of 1.45 million gallons per day, serving about 17,891 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons, biological treatment, other, biosolids aerobic digestion and other unit processes. It discharges under NPDES permit MAG590035 (effective), which expires in October 2027, with 0 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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Biogas silos
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Biogas balloons
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Biological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processBiosolids Chemical Addition
unit processBiosolids Mechanical Dewatering
unit processBiosolids Thickening
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processUnlock exact unit counts →
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 Newburyport
Newburyport's capital improvement plan lists 26 water, sewer and wastewater line items worth $58M starting 2026–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Newburyport →
| Project | Budget | Years |
|---|---|---|
| Indian Hill Raw Water Line (Phase 2) | $17,900,000 | 2026–2030 |
| Lower Artichoke Reservoir Dam Improvement 3 | $9,690,000 | 2026–2030 |
| Clarifier Upgrades | $6,960,000 | 2026–2029 |
| Water Meter Replacement Program | $5,826,000 | 2026–2027 |
| Critical Resilient Infrastructure Project | $5,207,000 | 2026–2030 |
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
42 verified contacts for Newburyport Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 42 verified contacts (39 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Newburyport Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Salisbury · 2 mi away
0.59 MGD
Merrimac · 7 mi away
0.28 MGD
Ipswich · 8 mi away
0.5 MGD
Haverhill · 11 mi away
6.58 MGD
North Andover · 15 mi away
21.7 MGD
Manchester · 17 mi away
0.29 MGD
Salem · 19 mi away
17.57 MGD
Billerica · 26 mi away
2.88 MGD
Newburyport 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 November 27, 2025.