Woodstock WWTF
Old Dump Road, Woodstock, NH 03262 · Grafton County · Publicly Owned Treatment Works
- Average flow
- 0.11 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 0.11 million gallons per day, serving about 952 residents. It discharges under NPDES permit NHG580020 (effective), which expires in November 2026, with 32 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 2026.
Treatment technology
2 treatment structures and unit processes identified at Woodstock WWTF.
Available with a free Klarifi account
See the full treatment train at Woodstock WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 32
- Effluent violations
- 27
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Woodstock WWTF in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Oct 2026
WOODSTOCK NH WASTEWATER TREATMENT FACILITY
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty
EPA's description of the case:
“On October 2, 2026, the Region entered into an administrative order on consent ( AOC ) with the Town of Woodstock, New Hampshire requiring the Town to comply with the monitoring requirements for…”
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Source: EPA ECHO, civil enforcement case 01-2027-2001.
Full case history with a free Klarifi account
Every action against Woodstock WWTF with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Woodstock WWTF, with validated emails and direct phone numbers.
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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
0.2 MGD
Lisbon · 17 mi away
0.18 MGD
Haverhill · 20 mi away
0.18 MGD
Littleton · 20 mi away
0.55 MGD
Ashland · 23 mi away
0.35 MGD
Whitefield · 24 mi away
0.13 MGD
Bristol · 30 mi away
0.2 MGD
Lancaster · 32 mi away
0.68 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 October 26, 2026; facility record last updated November 14, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms