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Sewage treatment plant, major discharger, Warwick, New York. NPDES permit NY0023680, in force until Jul 31, 2027. Last 12 months: over a limit 9 times (last June 2026), 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Flow, in conduit or thru treatment plant, monthly average | > .601 MGD | ≤ 1 MGD | — |
| February 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 5.7 mg/L | ≤ 5 mg/L | 14% |
| March 2026 | Flow, in conduit or thru treatment plant, monthly average | 1.074 MGD | ≤ 1 MGD | 7% |
| April 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 6.2 mg/L | ≤ 5 mg/L | 24% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 13.8 mg/L | ≤ 5 mg/L | 176% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 69.7 lb/d | ≤ 42 lb/d | 66% |
| May 2026 | Flow, in conduit or thru treatment plant, monthly average | > .681 MGD | ≤ 1 MGD | — |
| May 2026 | Solids, total suspended, daily maximum | 13.8 mg/L | ≤ 10 mg/L | 38% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 6.2 mg/L | ≤ 5 mg/L | 24% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) (alert, not enforceable) | all year |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 70 deg F (alert, not enforceable) | all year |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) (alert, not enforceable) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) (alert, not enforceable) | all year |
| Oxygen demand, ultimate | daily maximum | ≤ 91 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Oxygen demand, ultimate | daily maximum | ≤ 750 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7 mg/L | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | ≤ 10 mg/L | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | daily maximum | ≤ 83 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 | ≤ .1 mL/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .87 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 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] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.2 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | 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 (lb/d) | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 27 lb/d | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.25 MGD | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (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 | ≤ 1 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 | ≤ .03 mg/L | May–Oct |
| Mercury, total [as Hg] | 12-month average | ≤ 12 ng/L | all year |
| Mercury, total [as Hg] | daily maximum | ≤ 50 ng/L | all year |
| Mercury, total [as Hg] | daily maximum | ≤ 50 ng/L | all year |
| Mercury, total [as Hg] | 12-month average | report only (ng/L) | all year |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100L | May–Oct |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 5 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 42 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
| Carbonaceous oxygen demand, % removal | monthly average minimum | ≥ 85 % | all year |
Cited limits by parameter: New York's rules and the federal ones.
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