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Sewage treatment plant, major discharger, Yonkers, New York. NPDES permit NY0026689 expired May 31, 2019; its limits still apply. Last 12 months: over a limit 7 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 003 | Oil petroleum, total recoverable, daily maximum | 21 mg/L | ≤ 15 mg/L | 40% |
| March 2026 | 001 | BOD, carbonaceous [5 day, 20 C], monthly average | 20469 lb/d | ≤ 19000 lb/d | 8% |
| March 2026 | 001 | Carbonaceous oxygen demand, % removal, monthly average minimum | 78 % | ≥ 85 % | 47% |
| March 2026 | 001 | Solids, suspended percent removal, monthly average minimum | 76 % | ≥ 85 % | 60% |
| March 2026 | 001 | Solids, total suspended, 7-day average | 35923 lb/d | ≤ 35000 lb/d | 3% |
| March 2026 | 001 | Solids, total suspended, monthly average | 25156 lb/d | ≤ 23000 lb/d | 9% |
| August 2026 | 003 | Coliform, fecal general, instantaneous maximum | 3240 #/100mL | ≤ 2400 #/100mL | 35% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 23000 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 35000 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, settleable | daily maximum | ≤ .3 mL/L | all year | 001 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | ≤ 6 lb/d (alert, not enforceable) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 13 lb/d (alert, not enforceable) | all year | 001 |
| Copper, dissolved [as Cu] | monthly average | report only (lb/d) | all year | 001 |
| Copper, dissolved [as Cu] | daily maximum | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 46 lb/d | all year | 001 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 19 lb/d | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ 15 lb/d (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 75 lb/d (alert, not enforceable) | all year | 001 |
| Antimony, total [as Sb] | daily maximum | ≤ 10 lb/d (alert, not enforceable) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 140 lb/d (alert, not enforceable) | all year | 001 |
| Chloroform | daily maximum | ≤ 4 lb/d (alert, not enforceable) | all year | 001 |
| Phenolics, total recoverable | daily maximum | ≤ 60 lb/d (alert, not enforceable) | all year | 001 |
| Toluene | daily maximum | ≤ 3 lb/d (alert, not enforceable) | all year | 001 |
| Methylene chloride | daily maximum | ≤ 2 lb/d (alert, not enforceable) | all year | 001 |
| 1,1,1-Trichloroethane | daily maximum | ≤ 1 lb/d (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | ≤ 29 mg/L | all year | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | report only (mg/L) | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ 20 lb/d (alert, not enforceable) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | rolling average | ≤ 120 MGD | all year | 001 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .3 mg/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ 50 ng/L | all year | 001 |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | all year | 001 |
| Tetrachloroethene | daily maximum | ≤ 2.2 lb/d (alert, not enforceable) | all year | 001 |
| Trichloroethene | daily maximum | ≤ 1 lb/d (alert, not enforceable) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 19000 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 31000 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (lb/d) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Carbonaceous oxygen demand, % removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Xylene [mix of m+o+p] | daily maximum | ≤ 1.5 lb/d (alert, not enforceable) | all year | 001 |
| Styrene | daily maximum | ≤ 1.5 lb/d (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 002 |
| Solids, settleable | daily maximum | ≤ 5 mL/L (alert, not enforceable) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 40 mg/L | all year | 002 |
| Oil petroleum, total recoverable | daily maximum | ≤ 15 mg/L | all year | 002 |
| Floating solids, waste or visible foam-visual | EPA's "NONSP MX" | report only (N=0;Y=1) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | 002 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 002 |
| Number of Events | EPA's "NONSP MX" | report only (#) | all year | 002 |
| Coliform, fecal general | instantaneous maximum | ≤ 2400 #/100mL | all year | 002 |
| Oil and grease visual | EPA's "NONSP MX" | report only (N=0;Y=1) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 003 |
| Solids, settleable | daily maximum | ≤ 5 mL/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 40 mg/L | all year | 003 |
| Oil petroleum, total recoverable | daily maximum | ≤ 15 mg/L | all year | 003 |
| Floating solids, waste or visible foam-visual | EPA's "NONSP MX" | report only (N=0;Y=1) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | 003 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 003 |
| Number of Events | EPA's "NONSP MX" | report only (#) | all year | 003 |
| Coliform, fecal general | instantaneous maximum | ≤ 2400 #/100mL | all year | 003 |
| Oil and grease visual | EPA's "NONSP MX" | report only (N=0;Y=1) | all year | 003 |
| Flow rate | daily maximum | report only (gal/d) | all year | 031 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 031 |
| Flow rate | daily maximum | report only (gal/d) | all year | 035 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 035 |
Cited limits by parameter: New York's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NY0026689 · MCP: https://passage-data.com/mcp