Hudson W W T F
1 Municipal Dr, Hudson, MA 01749 · Middlesex County · Publicly Owned Treatment Works
- Average flow
- 1.33 MGD
- Design flow
- —
- NPDES permit
- MAG590029
- Effective
- Permit expires
- October 2027
- Population served
- 19,692
- CWNS 2022
Hudson W W T F is a publicly owned wastewater treatment plant in Hudson, Middlesex County, Massachusetts treating an average of 1.33 million gallons per day, serving about 19,692 residents. It discharges under NPDES permit MAG590029 (effective), which expires in October 2027, with 78 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in October 2003.
Treatment technology
One treatment structure or unit process identified at Hudson W W T F.
Available with a free Klarifi account
See the full treatment train at Hudson W W T F: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 78
- Effluent violations
- 78
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 Hudson W W T F in EPA's ICIS system.
- Formal actions
- 3
- 0 since FY2020
- Penalties assessed
- $5,000
- all cases
- Compliance actions
- $105,000
- required by EPA orders
- EPA inspections
- 1
- latest Sep 2007
Latest case · Oct 2003
HUDSON PUBLIC WORKS
Administrative order · CAA, CWA, EPCRA, RCRA, Emergency and Hazardous Chemical Inventory Forms · Source Agrees
Source: EPA ECHO, civil enforcement case 01-2004-9019.
Full case history with a free Klarifi account
Every action against Hudson W W T F with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Hudson W W T F, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Hudson W W T F, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Marlborough · 4 mi away
2.77 MGD
Marlborough · 6 mi away
1.58 MGD
Wayland · 9 mi away
0.03 MGD
Westborough · 10 mi away
4.86 MGD
Concord · 11 mi away
0.83 MGD
Medfield · 18 mi away
0.77 MGD
Millbury · 18 mi away
30.02 MGD
Billerica · 19 mi away
3.3 MGD
Hudson W W T F: 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 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms