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Sewage treatment plant, major discharger, Massena, New York. NPDES permit NY0031194 expired Nov 30, 2020; its limits still apply. Last 12 months: over a limit 8 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | BOD, 5-day, 20 deg. C, 7-day arithmetic mean | 52 mg/L | ≤ 45 mg/L | 16% |
| March 2026 | BOD, 5-day, percent removal, monthly average minimum | 23 % | ≥ 65 % | 120% |
| March 2026 | Solids, suspended percent removal, monthly average minimum | 60 % | ≥ 85 % | 167% |
| April 2026 | BOD, 5-day, 20 deg. C, 30-day arithmetic mean | 32.4 mg/L | ≤ 30 mg/L | 8% |
| April 2026 | BOD, 5-day, 20 deg. C, 7-day arithmetic mean | 49 mg/L | ≤ 45 mg/L | 9% |
| April 2026 | BOD, 5-day, percent removal, monthly average minimum | 20 % | ≥ 65 % | 129% |
| April 2026 | Solids, suspended percent removal, monthly average minimum | 65 % | ≥ 85 % | 133% |
| May 2026 | Coliform, fecal general, 7-day geometric mean | > 2419 #/100mL | ≤ 400 #/100mL | — |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day arithmetic mean | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day arithmetic mean | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day arithmetic mean | ≤ 1200 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day arithmetic mean | ≤ 1800 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day median | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day arithmetic mean | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day arithmetic mean | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day arithmetic mean | report only (lb/d) | 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 | 30-day arithmetic mean | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | 7-day arithmetic mean | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | 30-day arithmetic mean | ≤ 1200 lb/d | all year | 001 |
| Solids, total suspended | 7-day arithmetic mean | ≤ 1800 lb/d | all year | 001 |
| Solids, total suspended | 30-day arithmetic mean | report only (mg/L) | all year | 001 |
| Solids, total suspended | 7-day arithmetic mean | report only (mg/L) | all year | 001 |
| Solids, total suspended | 30-day arithmetic mean | report only (lb/d) | all year | 001 |
| Solids, total suspended | 7-day arithmetic mean | report only (lb/d) | all year | 001 |
| Solids, settleable | daily maximum | ≤ .3 mL/L | all year | 001 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, total recoverable | daily maximum | ≤ 6 lb/d (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | all year | 001 |
| Phenols | 30-day arithmetic mean | report only (mg/L) | all year | 001 |
| Phenols | 30-day arithmetic mean | ≤ 3 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day arithmetic mean | ≤ 4.8 MGD | all year | 001 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 2 tox acute (alert, not enforceable) | all year | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 13 tox chronic (alert, not enforceable) | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 2 tox acute (alert, not enforceable) | all year | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 13 tox chronic (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Sep | 001 |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Sep | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 65 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | 01A |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 01B |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 01B |
| Solids, settleable | daily maximum | ≤ .8 mL/L | all year | 01B |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 01B |
| Floating solids, waste or visible foam-visual | monthly total | report only (N=0;Y=1) | all year | 01B |
| Flow, in conduit or thru treatment plant | monthly average | report only (Mgal/mo) | all year | 01B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (Mgal/mo) | all year | 01B |
| Chlorine, total residual | daily maximum | ≤ 2 mg/L | May–Sep | 01B |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Sep | 01B |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Sep | 01B |
| Precipitation volume | monthly total | report only (in/mo) | all year | 01B |
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/NY0031194 · MCP: https://passage-data.com/mcp