Klarifi Logo
Try for freeLog in
Klarifi Logo

Medfield Wastewater Treatment Facility

197 West St, Medfield, MA 02052 · Norfolk County · Publicly Owned Treatment Works

Average flow
0.77 MGD
Design flow
—
NPDES permit
MAG590008
Effective
Permit expires
October 2027
Population served
8,870
CWNS 2022

Medfield Wastewater Treatment Facility is a publicly owned wastewater treatment works in Medfield, Norfolk County, Massachusetts treating an average of 0.77 million gallons per day, serving about 8,870 residents. It discharges under NPDES permit MAG590008 (effective), which expires in October 2027, with 664 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in September 2022.

Treatment technology

10 treatment structures and unit processes identified at Medfield Wastewater Treatment Facility.

Available with a free Klarifi account

See the full treatment train at Medfield Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.

Create a free account

Compliance snapshot (last 3 years)

Total violations
664
Effluent violations
43

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 Medfield Wastewater Treatment Facility in EPA's ICIS system.

Formal actions
2
1 since FY2020
Compliance actions
$212,000
required by EPA orders
EPA inspections
0
none on record

Latest case · Sep 2022

MEDFIELD

Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $156,000

Source: EPA ECHO, civil enforcement case 01-2022-2026.

Full case history with a free Klarifi account

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

Create a free account

Key contacts

14 verified contacts for Medfield Wastewater Treatment Facility, 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 Medfield Wastewater Treatment Facility, plus the full compliance history and discharge data.

Try Klarifi free

Nearby wastewater treatment plants in Massachusetts

M C I Norfolk Walpole

Norfolk · 4 mi away

0.21 MGD

Town Of Wayland W W T P

Wayland · 12 mi away

0.03 MGD

2.77 MGD

4.86 MGD

1.58 MGD

0.9 MGD

Hudson W W T F

Hudson · 18 mi away

1.33 MGD

0.83 MGD

Medfield 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 September 23, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms


Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free