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Sewage treatment plant, South Dayton, New York. NPDES permit NY0204846 expired Sep 30, 2021; its limits still apply. Last 12 months: over a limit 3 times (last March 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | BOD, 5-day, 20 deg. C, 7-day average | 49.8 mg/L | ≤ 45 mg/L | 11% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 32.3 mg/L | ≤ 30 mg/L | 8% |
| March 2026 | BOD, 5-day, percent removal, monthly average minimum | 84 % | ≥ 85 % | 7% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | daily average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Flow rate | monthly average | ≤ .08 MGD | all year |
| Oxygen demand, ultimate | daily maximum | ≤ 49 lb/d | Jun–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 20 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 30 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | monthly average | ≤ 20 mg/L | Jun–Oct |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | 7-day average | ≤ 30 mg/L | Jun–Oct |
| Solids, total suspended | monthly average | ≤ 20 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | monthly average | ≤ 13.3 lb/d | Jun–Oct |
| Solids, total suspended | 7-day average | ≤ 30 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | 7-day average | ≤ 20 lb/d | Jun–Oct |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, settleable | daily maximum | ≤ .3 mL/L | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | report only (mg/L) | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | report only (lb/d) | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | report only (mg/L) | Jun–Oct |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
| Carbonaceous oxygen demand, % removal | monthly average minimum | ≥ 85 % | Jun–Oct |
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/NY0204846 · MCP: https://passage-data.com/mcp