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Water Supply, Edenton, North Carolina. NPDES permit NC0007552, in force until Nov 30, 2030. Last 12 months: over a limit 12 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Chloride [as Cl], 30-day average | 905 mg/L | ≤ 230 mg/L | 293% |
| October 2025 | Chloride [as Cl], daily maximum | 905 mg/L | ≤ 230 mg/L | 293% |
| November 2025 | Chloride [as Cl], 30-day average | 375 mg/L | ≤ 230 mg/L | 63% |
| November 2025 | Chloride [as Cl], daily maximum | 375 mg/L | ≤ 230 mg/L | 63% |
| November 2025 | Chlorine, total residual, daily maximum | 77 ug/L | ≤ 17 ug/L | 353% |
| December 2025 | Chloride [as Cl], 30-day average | 502 mg/L | ≤ 230 mg/L | 118% |
| December 2025 | Chloride [as Cl], daily maximum | 502 mg/L | ≤ 230 mg/L | 118% |
| January 2026 | Chloride [as Cl], 30-day average | 429 mg/L | ≤ 230 mg/L | 87% |
| January 2026 | Chloride [as Cl], daily maximum | 429 mg/L | ≤ 230 mg/L | 87% |
| January 2026 | Chlorine, total residual, daily maximum | 57 ug/L | ≤ 17 ug/L | 235% |
| April 2026 | Chlorine, total residual, daily maximum | 51 ug/L | ≤ 17 ug/L | 200% |
| June 2026 | Chlorine, total residual, daily maximum | 77 ug/L | ≤ 17 ug/L | 353% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Turbidity | daily maximum | report only (NTU) | all year |
| Conductivity | daily maximum | report only (umho/cm) | all year |
| Conductivity | daily maximum | report only (umho/cm) | all year |
| Conductivity | daily maximum | report only (umho/cm) | all year |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| pH | daily maximum | report only (SU) | all year |
| pH | daily maximum | report only (SU) | all year |
| Salinity | daily maximum | report only (ppk) | all year |
| Salinity | daily maximum | report only (ppk) | all year |
| Salinity | daily maximum | report only (ppk) | all year |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year |
| Fluoride, total [as F] | daily maximum | report only (ug/L) | all year |
| Chlorine, total residual | daily maximum | ≤ 17 ug/L | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
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/NC0007552 · MCP: https://passage-data.com/mcp