Anaerobic digesters and biogas: wastewater treatment plants in New York
138 plants · 30% of the state · 1,537 MGD reported by 129 plants
Klarifi identifies 138 publicly owned wastewater treatment plants with anaerobic digesters and biogas in New York, 30% of the 467 plants in the state (1,537 MGD reported by 129 plants). The largest is Newtown Creek Water Pollution Control Plant in Brooklyn at 187.2 MGD.
Anaerobic digesters stabilise sludge in sealed heated tanks and produce biogas, visible from the air as digester silos and gas holders. Plants with digesters are typically above 5 MGD and are the buyers of mixing, heating, gas handling, cogeneration and dewatering equipment.
The largest plants with anaerobic digesters in New York
| # | Facility | City | Avg flow (MGD) | NPDES permit | Expires | Violations (3y) |
|---|---|---|---|---|---|---|
| 1 | Newtown Creek Water Pollution Control Plant | Brooklyn | 187.2 | NY0026204 | Jun 2027 | 4 |
| 2 | NYC-DEP Wards Island WPCP | Manhattan | 182.4 | NY0026131 | Jun 2027 | 26 |
| 3 | Hunts Point Water Pollution Control Plant | Bronx | 123.8 | NY0026191 | Jun 2027 | 11 |
| 4 | Nycdep - Bowery Bay WRRF | Astoria | 95.2 | NY0026158 | Jun 2027 | 8 |
| 5 | Owls Head Water Pollution Control Plant | Brooklyn | 88 | NY0026166 | Jun 2027 | 9 |
| 6 | Jamaica Water Pollution Control Plant | Jamaica | 74.6 | NY0026115 | Jun 2027 | 11 |
| 7 | Westchester Co Of - Yonkers Joint Waste Water Treatment Plant | Yonkers | 65.64 | NY0026689 | May 2019 | 29 |
| 8 | Cedar Creek WPCP | Wantagh | 63.14 | NY0026859 | Jan 2026 | 12 |
| 9 | Tallman Island Wastewater Treatment Plant | Queens | 57.8 | NY0026239 | Jun 2027 | 2 |
| 10 | Bay Park Sewage Treatment Plant | East Rockaway | 48.73 | NY0026450 | Jan 2026 | 4 |
Contacts and project signals for every plant on this list
Klarifi adds verified decision-maker contacts, permit limits, discharge monitoring data and the capital projects planned in each city, filterable by technology, size and compliance record.
Other technologies in New York
Anaerobic digesters and biogas in other states
Anaerobic digesters and biogas in New York: 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.
Wastewater terms: Anaerobic digester · Biosolids · Sludge dewatering · Centrate · FOG · Equalization tank · all terms