Hull Wastewater Treatment Plant
1111 Nantasket Ave, Hull, MA 02045 · Plymouth County · Publicly Owned Treatment Works
- Average flow
- 1.53 MGD
- Design flow
- —
- NPDES permit
- MAL101231
- Effective
- Permit expires
- December 2030
- Population served
- 7,478
- CWNS 2022
Hull Wastewater Treatment Plant is a publicly owned wastewater treatment works in Hull, Plymouth County, Massachusetts treating an average of 1.53 million gallons per day, serving about 7,478 residents. It discharges under NPDES permit MAL101231 (effective), which expires in December 2030, with 3 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 2024.
Treatment technology
2 treatment structures and unit processes identified at Hull Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Hull Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
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 Hull Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $500,000
- required by EPA orders
- EPA inspections
- 1
- latest May 2007
Latest case · Oct 2024
HULL TOWN OF MASSACHUSETTS
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $500,000
EPA's description of the case:
“On May 9, 2016, the Region entered into an order on consent (Order) with the Town of Hull, Massachusetts to address sanitary sewer overflows from its wastewater collection system. Hull owns and…”
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Source: EPA ECHO, civil enforcement case 01-2016-2017.
Full case history with a free Klarifi account
Every action against Hull Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
7 verified contacts for Hull Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Hull Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Winthrop · 4 mi away
270.96 MGD
Cohasset · 7 mi away
0.18 MGD
Rockland · 14 mi away
2.21 MGD
Salem · 15 mi away
21.66 MGD
Brockton · 19 mi away
14.52 MGD
Manchester · 20 mi away
0.44 MGD
Medfield · 24 mi away
0.77 MGD
Norfolk · 24 mi away
0.21 MGD
Hull Wastewater Treatment Plant: 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 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms