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Sewage treatment plant, Loch Sheldrake, New York. NPDES permit NY0024538 expired Nov 30, 2021; its limits still apply. Last 12 months: over a limit 4 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Chlorine, total residual, daily maximum | .07 mg/L | ≤ .05 mg/L | 40% |
| November 2025 | Phosphorus, total [as P], monthly average | 1.492 mg/L | ≤ .2 mg/L | 646% |
| November 2025 | Phosphorus, total [as P], monthly average | 3.51 lb/d | ≤ 1.7 lb/d | 106% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 27.21 lb/d | ≤ 16 lb/d | 70% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 001 |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 9.9 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 175 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 180 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 82 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 82 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 263 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 270 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 380 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 380 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 24 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 175 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 180 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 200 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 200 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 263 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 270 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 380 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 380 lb/d | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | 7-day average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, settleable | daily maximum | ≤ .3 mL/L | all year | 001 |
| Solids, settleable | daily maximum | ≤ .3 mL/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.9 mg/L | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.8 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.3 mg/L | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 16 lb/d | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 31 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 16 lb/d | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 31 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | May–Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 4.3 mg/L | May–Sep | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 8.6 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 36 lb/d | May–Sep | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 72 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 36 lb/d | May–Sep | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 72 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 2.4 mg/L | May–Sep | 001 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 4.7 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 20 lb/d | May–Sep | 001 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 39 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 20 lb/d | May–Sep | 001 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 39 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .2 mg/L | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 2.9 lb/d | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1.7 lb/d | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | ≤ 9.3 mg/L | May–Oct | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | ≤ 9.3 mg/L | May–Oct | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | May–Oct | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | May–Oct | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | report only (lb/d) | May–Oct | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia, total [as NH3] | monthly average | ≤ 54 lb/d | May–Oct | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | May–Oct | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | May–Oct | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .7 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | monthly average | report only (mg/L) | May–Oct | 001 |
| Chlorine, total residual | monthly average | report only (mg/L) | May–Oct | 001 |
| Chlorine, total residual | daily maximum | ≤ 2 mg/L | May–Oct | 001 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | May–Oct | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ 50 ng/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (g/d) | all year | 001 |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Oct | 001 |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Oct | 001 |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Oct | 001 |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Oct | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Flow rate | daily maximum | report only (gal/d) | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 002 |
| Flow rate | daily maximum | report only (gal/d) | all year | 003 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 003 |
| Flow rate | daily maximum | report only (gal/d) | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 004 |
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/NY0024538 · MCP: https://passage-data.com/mcp