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Water Supply, Leland, North Carolina. NPDES permit NC0057533, in force until Jul 31, 2030. Last 12 months: no values over a limit, 39 required values missing, 3 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Turbidity | daily maximum | report only (NTU) | 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 | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 3.9 MGD | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 17 ug/L | all year | 001 |
| Turbidity | daily maximum | report only (NTU) | all year | 002 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 002 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 002 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 002 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 002 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 002 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Salinity | daily maximum | report only (ppt) | all year | 002 |
| Salinity | daily maximum | report only (ppt) | all year | 002 |
| Salinity | daily maximum | report only (ppt) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 002 |
| Fluoride, total [as F] | daily maximum | report only (ug/L) | all year | 002 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (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 | ≤ 28 ug/L | all year | 002 |
| Perchlorate [ClO4] | daily maximum | report only (ug/L) | all year | 002 |
| Solids, total dissolved | daily maximum | report only (mg/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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Your permit document is the final word. As JSON: /api/v1/permits/NC0057533 · MCP: https://passage-data.com/mcp