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Sewage treatment plant, major discharger, New Rochelle, New York. NPDES permit NY0026697 expired Oct 31, 2017; its limits still apply. Last 12 months: no values over a limit, 1 of 62 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| 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 |
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | 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 | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 3400 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 5200 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 5100 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 7700 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 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | rolling average | ≤ 2482 lb/d | all year | 001 |
| Nitrogen, total [as N] | 12-month average | ≤ 1781 lb/d | all year | 001 |
| Nitrogen, total [as N] | rolling average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | annual average | report only (lb/d) | all year | 001 |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 3.5 lb/d (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 6.5 lb/d | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 2.4 lb/d | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ 3 lb/d | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 21 lb/d (alert, not enforceable) | all year | 001 |
| Antimony, total [as Sb] | daily maximum | ≤ 4.13 lb/d (alert, not enforceable) | all year | 001 |
| Chloroform | daily maximum | ≤ 2.5 lb/d (alert, not enforceable) | all year | 001 |
| Methylene chloride | daily maximum | report only (lb/d) | all year | 001 |
| Tetrachloroethylene | daily maximum | ≤ 1.13 lb/d | all year | 001 |
| 1,1,1-Trichloroethane | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | report only (mg/L) | all year | 001 |
| Trichloroethylene | daily maximum | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 13.6 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 20.6 MGD | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 2 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .5 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 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | 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] | 7-day average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 2900 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 4300 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 4500 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 6900 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 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Rainfall | monthly total | report only (in) | all year | 003 |
| Flow, in conduit or thru treatment plant | maximum | report only (Mgal/mo) | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ 2 mg/L | all year | 003 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 003 |
| Solids, floating - visual determination | monthly total | report only (d/mo) | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Rainfall | monthly total | report only (in) | all year | 005 |
| Flow, in conduit or thru treatment plant | maximum | report only (Mgal/mo) | all year | 005 |
| Chlorine, total residual | daily maximum | ≤ 2 mg/L | all year | 005 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 005 |
| Solids, floating - visual determination | monthly total | report only (d/mo) | all year | 005 |
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/NY0026697 · MCP: https://passage-data.com/mcp