Milford Wastewater Treatment Facility
564 Nashua Street, Milford, NH 03055 · Hills County · Publicly Owned Treatment Works
- Average flow
- 1.14 MGD
- Design flow
- 2.15 MGD
- NPDES permit
- NH0100471
- Administratively continued
- Permit expires
- October 2025
- Population served
- 12,051
- CWNS 2022
Milford Wastewater Treatment Facility is a publicly owned wastewater treatment works in Milford, Hills County, New Hampshire treating an average of 1.14 million gallons per day against a permitted design capacity of 2.15 MGD, serving about 12,051 residents. It discharges under NPDES permit NH0100471 (administratively continued), which expires in October 2025, with 172 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in August 2026.
Treatment technology
2 treatment structures and unit processes identified at Milford Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at Milford Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 172
- Effluent violations
- 117
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 Milford Wastewater Treatment Facility in EPA's ICIS system.
- Formal actions
- 3
- 1 since FY2020
- Compliance actions
- $30,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Aug 2026
MILFORD WWTP
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty
EPA's description of the case:
“On March 23, 2023, EPA issued a Clean Water Act (CWA) Administrative Order (Order) to the Town of Milford, New Hampshire that provides the Town an extension to two interim milestones in its National…”
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Source: EPA ECHO, civil enforcement case 01-2023-2010.
Full case history with a free Klarifi account
Every action against Milford Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Milford
Milford's capital improvement plan lists 3 water, sewer and wastewater line items worth $2M starting 2027–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Milford →
| Project | Budget | Years |
|---|---|---|
| North End Asbestos Cement (AC) Main Replacement | $1,269,505 | 2027–2031 |
| WWTF Secure Sludge Landfill Remediation | $435,258 | 2029–2031 |
| Brookview Booster Pump Station | $290,172 | 2028–2031 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
4 verified contacts for Milford Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Milford Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Merrimack · 8 mi away
1.29 MGD
Nashua · 11 mi away
9.77 MGD
Derry · 15 mi away
1.46 MGD
Hooksett · 19 mi away
0.82 MGD
Allenstown · 22 mi away
0.53 MGD
Concord · 25 mi away
3.5 MGD
Henniker · 26 mi away
0.13 MGD
Hopkington · 27 mi away
0.04 MGD
Milford 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 March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms