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Clean Water Act discharge permit · NPDES NY0026689

YONKERS JOINT WWTP, Yonkers, NY: NPDES NY0026689 discharge permit, effluent exceedances, inspections, penalties

YONKERS JOINT WWTP, held by WESTCHESTER CO DEPT ENV FAC, holds NPDES permit NY0026689, which discharges to Hudson R. EPA’s file records it issued January 16, 2006 and expiring May 31, 2014. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedYONKERS JOINT WWTP
Permittee as filedWESTCHESTER CO DEPT ENV FAC
NPDES IDNY0026689
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 16, 2006
Expiration dateMay 31, 2014
Issuing agencyNYSDEC
AddressYonkers, NY 10705
Receiving waterHUDSON R
Receiving water impaired303(D) Listed
SubwatershedSparkill Creek-Hudson River (HUC 020301010404)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Oil & Grease56458March 31, 2024367% over the limit
Coliform, fecal general44940April 30, 202599,999% over the limit
BOD, carbonaceous [5 day, 20 C]113832March 31, 202699,999% over the limit
Solids, suspended percent removal12321March 31, 202699,999% over the limit
Solids, total suspended154415March 31, 202699,999% over the limit
Carbonaceous oxygen demand, % removal11715March 31, 202699,999% over the limit
Oil petroleum, total recoverable275October 31, 202587% over the limit
BOD, 5-day, percent removal055March 31, 200473% over the limit
Coliform, total general044February 29, 200899,999% over the limit
pH673December 31, 2013
BOD, 5-day, 20 deg. C4252November 30, 200499,999% over the limit
Solids, settleable7172September 30, 20191,733% over the limit
Flow, in conduit or thru treatment plant8122September 30, 20049% over the limit
Copper, total recoverable142August 31, 201162% over the limit
Copper, total [as Cu]222December 31, 202439% over the limit
Chlorine, total residual7241December 31, 200214% over the limit
Nitrogen, ammonia, total [as NH3]541September 30, 20253% over the limit
Nickel, total [as Ni]111July 31, 200016% over the limit
Outfall observation,visual, y/n response0210
Di[2-ethylhexyl] phthalate [DEHP]250
Nitrogen, nitrite total [as N]230
Nitrogen, nitrate total [as N]230
Temperature, water deg. fahrenheit320
Flow rate220
Oxygen demand, chem. [high level] [COD]220
Nitrogen, Kjeldahl, total [as N]220
Phenolics, total recoverable220
Lead, total recoverable120
Chromium, total recoverable120
Copper, dissolved [as Cu]310
Chloroform210
Methylene chloride210
Floating solids, waste or visible foam-visual210
Xylene [mix of m+o+p]210
Styrene210
Oil and grease visual210
Nickel, total recoverable110
Zinc, total recoverable110
Aluminum, total recoverable110
Cadmium, total recoverable110
Antimony, total recoverable110
Toluene110
1,1,1-Trichloroethane110
Tetrachloroethene110
Trichloroethene110
Lead, total [as Pb]200
Number of Events200
Cadmium, total [as Cd]100
Chromium, total [as Cr]100
Zinc, total [as Zn]100
Antimony, total [as Sb]100
Aluminum, total [as Al]100
Ann. amt sludge disposed by other method100
Annual amt of sludge incinerated100
Annual sludge production, total100
Annual amount of sludge land applied100
Annual amt. sludge disposed surface unit100
Annual amt sludge disposed in landfill100
Mercury, total [as Hg]100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NY0026689.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID NY0026689 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.