Milford - Housatonic WPCF
1225 Oronoque Road, Milford, CT 06461 · New Haven County · Publicly Owned Treatment Works
- Average flow
- 5.85 MGD
- Design flow
- 8 MGD
- NPDES permit
- CT0101656
- Expired
- Permit expires
- October 2024
- Population served
- 42,914
- CWNS 2022
Milford - Housatonic WPCF is a publicly owned wastewater treatment works in Milford, New Haven County, Connecticut treating an average of 5.85 million gallons per day against a permitted design capacity of 8 MGD, serving about 42,914 residents. It discharges under NPDES permit CT0101656 (expired), which expires in October 2024, with 32 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Milford - Housatonic WPCF.
Available with a free Klarifi account
See the full treatment train at Milford - Housatonic WPCF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 32
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Milford - Housatonic WPCF, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Milford - Housatonic WPCF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Connecticut
Stratford · 3 mi away
7.32 MGD
Bridgeport · 5 mi away
5.24 MGD
Shelton · 6 mi away
2.12 MGD
Bridgeport · 7 mi away
17.54 MGD
Ansonia · 8 mi away
1.71 MGD
Fairfield · 10 mi away
7.87 MGD
Seymour · 10 mi away
1.12 MGD
Beacon Falls · 15 mi away
0.34 MGD
Milford - Housatonic 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 February 16, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms