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Industrial or other facility, major discharger, Grifton, North Carolina. NPDES permit NC0003760, in force until Sep 30, 2031. Last 12 months: no values over a limit, 13 required values missing, 16 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.
These limits come from an earlier version of this permit (version 3 in EPA's file); its current version holds none yet. A renewal can change them.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 2.5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 61.85 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 164.93 lb/d | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 103.08 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 335.02 lb/d | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (lb/mo) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | 90-day average | ≤ 2 mg/L | all year | 001 |
| Coliform, fecal MF, MFC broth, 44.5 C | daily maximum | report only (#/100mL) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 3.6 MGD | all year | 001 |
| Flow, total | daily maximum | report only (Mgal/mo) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Lead, total [as Pb] | 30-day average | ≤ 25 ug/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ 33.8 ug/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ 17 ug/L | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 003 |
| Lead, total [as Pb] | 30-day average | ≤ 25 ug/L | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ 33.8 ug/L | all year | 003 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ 17 ug/L | all year | 003 |
Cited limits by parameter: North Carolina'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/NC0003760 · MCP: https://passage-data.com/mcp