Suffolk County Sewer District No. 27 - Forge River
Shirley, NY · Suffolk County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 1 MGD
- NPDES permit
- NY0280089
- Effective
- Permit expires
- May 2030
- Population served
- 12,000
- CWNS 2022
Suffolk County Sewer District No. 27 - Forge River is a publicly owned wastewater treatment works in Shirley, Suffolk County, New York, serving about 12,000 residents. It discharges under NPDES permit NY0280089 (effective), which expires in May 2030, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Suffolk County Sewer District No. 27 - Forge River.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in New York
Patchogue · 9 mi away
0.38 MGD
Farmingville · 10 mi away
0.02 MGD
Riverhead · 14 mi away
0.97 MGD
Stony Brook · 16 mi away
2.09 MGD
Ocean Beach · 19 mi away
0.17 MGD
Kings Park · 20 mi away
0.24 MGD
Northport · 26 mi away
0.19 MGD
W Babylon · 27 mi away
26.7 MGD
Suffolk County Sewer District No. 27 - Forge River: 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 September 29, 2025.