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Sewage treatment plant, major discharger, Orangetown, Town Of, New York. NPDES permit NY0026051 expired Jan 31, 2022; its limits still apply. Last 12 months: over a limit 2 times (last August 2026), 1 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, percent removal, monthly average minimum | 83.7 % | ≥ 85 % | 9% |
| August 2026 | BOD, 5-day, percent removal, monthly average minimum | 84.6 % | ≥ 85 % | 3% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 3300 lb/d | all year |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 4900 lb/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 3300 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 4900 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, settleable | daily maximum | ≤ .3 mL/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.8 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 620 lb/d | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1300 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | report only (mL/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, nitrite total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, nitrite total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, nitrate total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, nitrate total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year |
| Copper, total [as Cu] | daily maximum | ≤ 6.8 lb/d | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 7.5 lb/d (alert, not enforceable) | all year |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year |
| Phosphate, ortho [as P] | daily maximum | report only (lb/d) | all year |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year |
| Phosphate, ortho [as P] | daily maximum | report only (lb/d) | all year |
| Chloroform | daily maximum | ≤ .39 lb/d (alert, not enforceable) | all year |
| Phenolics, total recoverable | daily maximum | ≤ 3.1 lb/d (alert, not enforceable) | all year |
| Toluene | daily maximum | ≤ .47 lb/d (alert, not enforceable) | all year |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ 3.1 lb/d (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 13 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 13 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ .1 mg/L | May–Oct |
| Chlorine, total residual | daily maximum | ≤ .5 mg/L | May–Oct |
| Cyanide, free available | daily maximum | ≤ 7.2 ug/L | all year |
| Cyanide, free available | daily maximum | ≤ .77 lb/d | all year |
| Mercury, total [as Hg] | daily maximum | ≤ 50 ng/L | all year |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Oct |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Oct |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
Cited limits by parameter: New York's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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