Huntington Sewer District STP
Huntington, NY · Suffolk County · Publicly Owned Treatment Works
- Average flow
- 1.58 MGD
- Design flow
- 2.5 MGD
- NPDES permit
- NY0021342
- Administratively continued
- Permit expires
- May 2017
- Population served
- 25,973
- CWNS 2022
Huntington Sewer District STP is a publicly owned wastewater treatment works in Huntington, Suffolk County, New York treating an average of 1.58 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 25,973 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit NY0021342 (administratively continued), which expires in May 2017, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
12 verified contacts for Huntington Sewer District STP, with validated emails and direct phone numbers.
Unlock 12 verified contacts (9 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Huntington Sewer District STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Northport · 4 mi away
0.19 MGD
Oyster Bay · 6 mi away
1.02 MGD
Kings Park · 10 mi away
0.24 MGD
Glen Cove · 12 mi away
—
W Babylon · 15 mi away
26.7 MGD
Rye · 15 mi away
3.3 MGD
Stony Brook · 16 mi away
2.09 MGD
Great Neck · 16 mi away
2.5 MGD
Huntington Sewer District STP: 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 September 11, 2026; facility record last updated August 5, 2026.