1 Le Fevre Lane, New Rochelle, NY 10801 · Westchester County · Publicly Owned Treatment Works
New Rochelle STP is a publicly owned wastewater treatment works in New Rochelle, Westchester County, New York treating an average of 11.16 million gallons per day against a permitted design capacity of 13.6 MGD, serving about 86,009 residents. It discharges under NPDES permit NY0026697 (administratively continued), which expires in October 2017, with 1 recorded violation in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in June 1994.
2 treatment structures and unit processes identified at New Rochelle STP.
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See the full treatment train at New Rochelle STP: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for New Rochelle STP in EPA's ICIS system.
Latest case · Jun 1994
WESTCHESTER COUNTY DEF
Administrative order · CWA, Information Request, Records, Entry · Final Order With Penalty · Penalty $1,000
Source: EPA ECHO, civil enforcement case 02-1994-0065.
Full case history with a free Klarifi account
Every action against New Rochelle STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
2 verified contacts for New Rochelle STP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at New Rochelle STP, plus the full compliance history and discharge data.
Mamaroneck · 3 mi away
12.11 MGD
Rye · 5 mi away
3.58 MGD
Yonkers · 7 mi away
65.64 MGD
Glen Cove · 8 mi away
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Great Neck · 9 mi away
2.54 MGD
Queens · 9 mi away
57.8 MGD
Great Neck · 9 mi away
0.96 MGD
Bronx · 10 mi away
123.8 MGD
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 May 21, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms