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Lebanon Wastewater Treatment Facility

28 Market Street, Lebanon, NH 03784 · Grafton County · Publicly Owned Treatment Works

Average flow
1.15 MGD
Design flow
—
NPDES permit
NHR053176
Administratively continued
Permit expires
February 2026
Population served
14,400
CWNS 2022

Lebanon Wastewater Treatment Facility is a publicly owned wastewater treatment works in Lebanon, Grafton County, New Hampshire treating an average of 1.15 million gallons per day, serving about 14,400 residents. It discharges under NPDES permit NHR053176 (administratively continued), which expires in February 2026, with 2 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in November 2021.

Treatment technology

2 treatment structures and unit processes identified at Lebanon Wastewater Treatment Facility.

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Compliance snapshot (last 3 years)

Total violations
2
Effluent violations
2

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 Lebanon Wastewater Treatment Facility in EPA's ICIS system.

Formal actions
2
0 since FY2020
Compliance actions
$39M
required by EPA orders
EPA inspections
0
none on record

Latest case · Nov 2021

LEBANON WWTF

Judicial case · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $30M

Source: EPA ECHO, civil enforcement case 01-2007-2064.

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Every action against Lebanon Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

Decision-makers at Lebanon Wastewater Treatment Facility.

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Nearby wastewater treatment plants in New Hampshire

Hanover Wastewater Treatment Facility

Hanover · 4 mi away

1.11 MGD

1.39 MGD

Sunapee, Town Of-WWTP

Sunapee · 21 mi away

0.3 MGD

0.17 MGD

Town Of Bristol WWTF

Bristol · 30 mi away

0.2 MGD

0.35 MGD

5.19 MGD

0.18 MGD

Lebanon 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 October 26, 2026; facility record last updated May 21, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms


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