Cairo WWTP
Co Rte 41 NE Of Hamlet Of Cairo, Cairo, NY 12413 · Greene County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.09 MGD
- NPDES permit
- NY0260819
- Effective
- Permit expires
- December 2029
- Population served
- 727
- CWNS 2022
Cairo WWTP is a publicly owned wastewater treatment works in Cairo, Greene County, New York treating an average of 0.05 million gallons per day against a permitted design capacity of 0.09 MGD, serving about 727 residents. It discharges under NPDES permit NY0260819 (effective), which expires in December 2029, with 9 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Cairo WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Cairo WWTP.
No verified contacts on file yet
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Cairo 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 December 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms