Newmarket, Town Of - WPCF
Newmarket, NH · Rockingham County · Publicly Owned Treatment Works
- Average flow
- 0.35 MGD
- Design flow
- —
- NPDES permit
- NHG580013
- Effective
- Permit expires
- November 2026
- Population served
- —
- CWNS 2022
Newmarket, Town Of - WPCF is a publicly owned wastewater treatment works in Newmarket, Rockingham County, New Hampshire treating an average of 0.35 million gallons per day. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit NHG580013 (effective), which expires in November 2026, with 17 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
- 17
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Newmarket
Newmarket's capital improvement plan lists 13 water, sewer and wastewater line items worth $18M starting 2026–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Newmarket →
| Project | Budget | Years |
|---|---|---|
| New Water Tower | $3,820,000 | 2026–2032 |
| Pump Station Improvements | $3,400,000 | 2026–2032 |
| Water Treatment Plant MacIntosh / Tucker Pg. 1 | $2,223,600 | 2026–2032 |
| Water Treatment Plant MacIntosh/Tucker Pg. 2 | $2,223,600 | 2026–2032 |
| Wastewater Facility Site Various Equipment Replacement Program | $1,254,051 | 2026–2032 |
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
8 verified contacts for Newmarket, Town Of - WPCF, with validated emails and direct phone numbers.
Unlock 8 verified contacts (5 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Newmarket, Town Of - WPCF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Durham · 4 mi away
0.83 MGD
Exeter · 5 mi away
1.1 MGD
Epping · 7 mi away
0.13 MGD
Portsmouth · 7 mi away
—
Portsmouth (newington) · 7 mi away
0.1 MGD
Dover · 8 mi away
1.91 MGD
Portsmouth · 10 mi away
2.38 MGD
Rye · 11 mi away
0.0021 MGD
Newmarket, Town Of - 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 November 14, 2025.