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Sewage treatment plant, Sherrill, New York. NPDES permit NY0022110 expired Oct 31, 2021; its limits still apply. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Flow, in conduit or thru treatment plant, monthly average | 1.207 MGD | ≤ .95 MGD | 27% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Oxygen demand, ultimate | monthly average | report only (mg/L) | May–Oct |
| Oxygen demand, ultimate | daily maximum | ≤ 46 mg/L | May–Oct |
| Oxygen demand, ultimate | monthly average | report only (lb/d) | May–Oct |
| Oxygen demand, ultimate | daily maximum | ≤ 365 lb/d | May–Oct |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | May–Oct |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | May–Oct |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | May–Oct |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | May–Oct |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | May–Oct |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | May–Oct |
| Oxygen, dissolved [DO] | monthly average | report only (lb/d) | May–Oct |
| Oxygen, dissolved [DO] | monthly average | report only (lb/d) | May–Oct |
| Oxygen, dissolved [DO] | daily minimum | report only (lb/d) | May–Oct |
| Oxygen, dissolved [DO] | monthly average | report only (lb/d) | May–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 240 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 360 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| 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 | ≤ 240 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 360 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | 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 |
| Solids, settleable | daily maximum | report only (mL/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 40 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | May–Oct |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Beryllium, total [as Be] | daily maximum | ≤ 16 ppb (alert, not enforceable) | all year |
| Beryllium, total [as Be] | daily maximum | ≤ .13 lb/d (alert, not enforceable) | all year |
| Copper, total [as Cu] | daily maximum | ≤ 34 ppb (alert, not enforceable) | all year |
| Copper, total [as Cu] | daily maximum | ≤ .27 lb/d (alert, not enforceable) | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 69 ppb (alert, not enforceable) | all year |
| Zinc, total [as Zn] | daily maximum | ≤ .55 lb/d (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .95 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly average | report only (ug/L) | all year |
| Chlorine, total residual | daily maximum | ≤ 170 ug/L | all year |
| Chlorine, total residual | monthly average | report only (lb/d) | all year |
| Chlorine, total residual | daily maximum | ≤ 1.35 lb/d | 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] | monthly average | ≤ 25 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 40 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 200 lb/d | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 320 lb/d | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | May–Oct |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
| Carbonaceous oxygen demand, % removal | monthly average minimum | ≥ 85 % | May–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/NY0022110 · MCP: https://passage-data.com/mcp