Anaerobic digesters and biogas: wastewater treatment plants in New York
137 plants · 30% of the state · 1,359 MGD reported by 128 plants
Klarifi identifies 137 publicly owned wastewater treatment plants with anaerobic digesters and biogas in New York, 30% of the 461 plants in the state (1,359 MGD reported by 128 plants). The largest is Newtown Creek Water Pollution Control Plant in Brooklyn at 188 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 | 188 | NY0026204 | Jun 2027 | 5 |
| 2 | NYC-DEP Wards Island WPCP | Manhattan | 174 | NY0026131 | Jun 2027 | 25 |
| 3 | Hunts Point Water Pollution Control Plant | Bronx | 109 | NY0026191 | Jun 2027 | 11 |
| 4 | Nycdep - Bowery Bay WRRF | Astoria | 94 | NY0026158 | Jun 2027 | 10 |
| 5 | Owls Head Water Pollution Control Plant | Brooklyn | 88 | NY0026166 | Jun 2027 | 9 |
| 6 | Jamaica Water Pollution Control Plant | Jamaica | 70 | NY0026115 | Jun 2027 | 10 |
| 7 | Cedar Creek WPCP | Wantagh | 62.2 | NY0026859 | Jan 2026 | 12 |
| 8 | Tallman Island Wastewater Treatment Plant | Queens | 57 | NY0026239 | Jun 2027 | 2 |
| 9 | Westchester Co Of - Yonkers Joint Waste Water Treatment Plant | Yonkers | 55 | NY0026689 | May 2019 | 29 |
| 10 | Bay Park Sewage Treatment Plant | East Rockaway | 48.5 | NY0026450 | Jan 2026 | 4 |
| 11 | Albany County Sewer District - South Plant | Albany | 45.11 | NY0026867 | Feb 2030 | 49 |
| 12 | NYC DEP 26 Ward WPCP | Brooklyn | 43 | NY0026212 | Jun 2027 | 13 |
| 13 | Nycdep - Red Hook WPCP | Brooklyn | 28 | NY0027073 | Jun 2027 | 2 |
| 14 | Bergen Point STP & Bergen Ave Dock | W Babylon | 26.7 | NY0104809 | Dec 2019 | 81 |
| 15 | Nycdep - Oakwood Beach WPCP | Staten Island | 25.4 | NY0026174 | Jun 2027 | 6 |
| 16 | Port Richmond Water Pollution Control Plant | Staten Island | 21 | NY0026107 | Jun 2027 | 4 |
| 17 | New York (c) - Rockaway WPCP | Rockaway Park | 20 | NY0026221 | Jun 2027 | 3 |
| 18 | Rensselaer County Sd#1 WWTP | Troy | 15.63 | NY0087971 | May 2030 | 9 |
| 19 | Tonawanda (t) Sd#2 WWTP | Tonawanda | 11.7 | NY0026395 | Jun 2019 | 9 |
| 20 | Schenectady (c) STP | Schenectady | 11.1 | NY0020516 | Dec 2025 | 3 |
| 21 | NW Quadrant Pure Waters Dist WWTP | Hilton | 10.3 | NY0028231 | Jan 2019 | 2 |
| 22 | New Rochelle STP | New Rochelle | 9 | NY0026697 | Oct 2017 | 1 |
| 23 | Lockport (c) WWTP | Lockport | 6.55 | NY0027057 | Aug 2017 | 13 |
| 24 | Newburgh (c) WWTP | Newburgh | 5.4 | NY0026310 | May 2029 | 51 |
| 25 | Watertown Pollution Control Plant | Watertown | 5.21 | NY0025984 | Jan 2016 | 24 |
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 September 11, 2026.