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Water Supply, Manns Harbor, North Carolina. NPDES permit NC0056065, in force until Oct 31, 2029. Last 12 months: no values over a limit, 10 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Turbidity | daily maximum | report only (NTU) | all year | 001 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 001 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 001 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6.8 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 001 |
| Salinity | daily maximum | report only (ppk) | all year | 001 |
| Salinity | daily maximum | report only (ppk) | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | 30-day average | ≤ 1.85 ug/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 2.9 ug/L | all year | 001 |
| Lead, total [as Pb] | 30-day average | ≤ 4.25 ug/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 110.4 ug/L | all year | 001 |
| Zinc, total [as Zn] | 30-day average | ≤ 42.8 ug/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 47.6 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 13 ug/L | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Turbidity | daily maximum | report only (NTU) | all year | 002 |
| pH | daily minimum | ≥ 6.8 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ 13 ug/L | all year | 002 |
Cited limits by parameter: North Carolina's rules and the federal ones.
Same industry: the 130 Water Supply permits in North Carolina.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NC0056065 · MCP: https://passage-data.com/mcp