Middleborough WPCF
Joe Ciaglo Way, Middleborough, MA 02346 · Plymouth County · Publicly Owned Treatment Works
- Average flow
- 1.21 MGD
- Design flow
- —
- NPDES permit
- MAG590042
- Effective
- Permit expires
- October 2027
- Population served
- —
- CWNS 2022
Middleborough WPCF is a publicly owned wastewater treatment works in Middleborough, Plymouth County, Massachusetts treating an average of 1.21 million gallons per day. It discharges under NPDES permit MAG590042 (effective), which expires in October 2027, with 12 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Middleborough WPCF.
Available with a free Klarifi account
See the full treatment train at Middleborough WPCF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 4
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 Middleborough WPCF in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Jul 2019
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Middleborough WPCF with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
22 verified contacts for Middleborough WPCF, with validated emails and direct phone numbers.
Unlock 22 verified contacts (19 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Middleborough WPCF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Bridgewater · 4 mi away
0.17 MGD
Taunton · 10 mi away
7.32 MGD
Brockton · 11 mi away
14.52 MGD
Rockland · 14 mi away
2.21 MGD
Plymouth · 14 mi away
1.08 MGD
Marion · 16 mi away
0.44 MGD
New Bedford · 22 mi away
21.74 MGD
Cohasset · 24 mi away
0.18 MGD
Middleborough WPCF: 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 June 30, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms