Patchogue (v) WWTP
Hammond Street, Patchogue, NY 11772 · Suffolk County · Publicly Owned Treatment Works
- Average flow
- 0.4 MGD
- Design flow
- 0.8 MGD
- NPDES permit
- NY0023922
- Effective
- Permit expires
- April 2027
- Population served
- 12,384
- CWNS 2022
Patchogue (v) WWTP is a publicly owned wastewater treatment works in Patchogue, Suffolk County, New York treating an average of 0.4 million gallons per day against a permitted design capacity of 0.8 MGD, serving about 12,384 residents. It discharges under NPDES permit NY0023922 (effective), which expires in April 2027, with 10 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Patchogue (v) WWTP.
Available with a free Klarifi account
See the full treatment train at Patchogue (v) WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
7 verified contacts for Patchogue (v) WWTP, with validated emails and direct phone numbers.
Unlock 7 verified contacts (4 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Patchogue (v) WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Farmingville · 6 mi away
0.02 MGD
Shirley · 9 mi away
—
Ocean Beach · 11 mi away
0.11 MGD
Stony Brook · 12 mi away
1.7 MGD
Kings Park · 14 mi away
0.27 MGD
W Babylon · 18 mi away
27.44 MGD
Northport · 20 mi away
0.19 MGD
Riverhead · 23 mi away
0.99 MGD
Patchogue (v) WWTP: 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 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms