Woodstock WWTF
Woodstock, NH · Grafton County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- —
- NPDES permit
- NHG580020
- Effective
- Permit expires
- November 2026
- Population served
- 952
- CWNS 2022
Woodstock WWTF is a publicly owned wastewater treatment works in Woodstock, Grafton County, New Hampshire treating an average of 0.08 million gallons per day, serving about 952 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit NHG580020 (effective), which expires in November 2026, with 29 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
- 29
- Effluent violations
- 24
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Woodstock WWTF, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Woodstock WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Waterville Valley · 10 mi away
0.14 MGD
Lisbon · 17 mi away
0.02 MGD
Haverhill · 20 mi away
0.18 MGD
Littleton · 20 mi away
0.27 MGD
Ashland · 23 mi away
—
Whitefield · 24 mi away
0.09 MGD
Bristol · 30 mi away
0.21 MGD
Lancaster · 32 mi away
0.23 MGD
Woodstock WWTF: 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.