Middletown City Of Sewage Treatment Plt
Middletown, NY · Orange County · Publicly Owned Treatment Works
- Average flow
- 3.94 MGD
- Design flow
- 8.5 MGD
- NPDES permit
- NY0026328
- Administratively continued
- Permit expires
- May 2017
- Population served
- 30,560
- CWNS 2022
Middletown City Of Sewage Treatment Plt is a publicly owned wastewater treatment works in Middletown, Orange County, New York treating an average of 3.94 million gallons per day against a permitted design capacity of 8.5 MGD, serving about 30,560 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit NY0026328 (administratively continued), which expires in May 2017, with 1 recorded violation 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
- 1
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Middletown City Of Sewage Treatment Plt, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Middletown City Of Sewage Treatment Plt, plus the full compliance history and discharge data.
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Slate Hill · 3 mi away
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Slate Hill · 3 mi away
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Goshen · 4 mi away
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Florida · 7 mi away
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Otisville · 7 mi away
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Montgomery · 10 mi away
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Montgomery · 12 mi away
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Montgomery · 12 mi away
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Middletown City Of Sewage Treatment Plt: 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 2, 2025.