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Sewerage Systems, Morrisville, New York. NPDES permit NY0029700, in force until Oct 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| 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 demand, ultimate | daily maximum | ≤ 40 mg/L | Jun–Oct |
| Oxygen demand, ultimate | daily maximum | ≤ 83 lb/d | Jun–Oct |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7 mg/L | Jun–Oct |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| pH | minimum | report only (SU) | all year |
| pH | maximum | report only (SU) | all year |
| Solids, total suspended | daily maximum | ≤ 10 mg/L | Jun–Oct |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 21 lb/d | Jun–Oct |
| Solids, total suspended | daily maximum | ≤ 63 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | 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, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.4 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.6 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.1 lb/d | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 14 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, nitrite total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, nitrate total [as N] | daily maximum | report only (lb/d) | 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) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year |
| Selenium, total [as Se] | daily maximum | ≤ 52 ug/L | all year |
| Selenium, total [as Se] | daily maximum | report only (lb/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .25 MGD | all year |
| Solids, total dissolved | daily maximum | ≤ 1900 mg/L | all year |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 52 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (lb/d) | 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/NY0029700 · MCP: https://passage-data.com/mcp