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Sewage treatment plant, Dundee, New York. NPDES permit NY0025445 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit 2 times (last May 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Coliform, fecal general, 30-day geometric mean | 446 #/100mL | ≤ 200 #/100mL | 123% |
| May 2026 | Coliform, fecal general, 7-day geometric mean | 800 #/100mL | ≤ 400 #/100mL | 100% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | minimum | report only (SU) | all year |
| pH | maximum | report only (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 | ≤ 150 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 225 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, settleable | daily maximum | ≤ .3 mL/L | all year |
| Solids, settleable | daily maximum | report only (mL/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.3 mg/L | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 5 lb/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .6 MGD | 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, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 75 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | 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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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NY0025445 · MCP: https://passage-data.com/mcp