M C I Norfolk Walpole
10 Old Campbell Rd, Norfolk, MA 02056 · Norfolk County · Publicly Owned Treatment Works
- Average flow
- 0.21 MGD
- Design flow
- —
- NPDES permit
- MAG580036
- Effective
- Permit expires
- November 2026
- Population served
- —
- CWNS 2022
M C I Norfolk Walpole is a publicly owned wastewater treatment plant in Norfolk, Norfolk County, Massachusetts treating an average of 0.21 million gallons per day. It discharges under NPDES permit MAG580036 (effective), which expires in November 2026, with 5 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 2002.
Treatment technology
One treatment structure or unit process identified at M C I Norfolk Walpole.
Available with a free Klarifi account
See the full treatment train at M C I Norfolk Walpole: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
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 M C I Norfolk Walpole in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $50,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Sep 2002
MCI NORFOLK/CEDAR JUNCTION
Administrative order · CWA, NPDES Discharge without a Permit · Final Order No Penalty · Compliance actions $50,000
Source: EPA ECHO, civil enforcement case 01-2002-0193.
Full case history with a free Klarifi account
Every action against M C I Norfolk Walpole with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
14 verified contacts for M C I Norfolk Walpole, with validated emails and direct phone numbers.
Unlock 14 verified contacts (11 more than shown)
Names, validated emails and direct phone numbers for decision-makers at M C I Norfolk Walpole, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Medfield · 4 mi away
0.77 MGD
Brockton · 16 mi away
14.52 MGD
Wayland · 16 mi away
0.03 MGD
Uxbridge · 17 mi away
0.9 MGD
Marlborough · 18 mi away
2.77 MGD
Westborough · 20 mi away
4.86 MGD
Rockland · 21 mi away
2.21 MGD
Taunton · 21 mi away
7.32 MGD
M C I Norfolk Walpole: 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 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms