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NC Department of Commerce

Sewerage Systems, Wanchese, North Carolina. NPDES permit NC0041386 expired Dec 31, 2022; its limits still apply. Last 12 months: no values over a limit, 7 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 144 required values missing, 12 of 12 reports late

Limits in force (16)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Turbiditydaily maximumreport only (NTU)all year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 7.5 mg/Lall year
pHdaily minimum≥ 6.8 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspended30-day average≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Flow, in conduit or thru treatment plant30-day average≤ .0135 MGDall year
Enterococcimonthly geometric mean≤ 35 CFU/100mLall year
Enterococcidaily maximum≤ 276 CFU/100mLall year

How strict are these limits?

Cited limits by parameter: North Carolina's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0041386 · MCP: https://passage-data.com/mcp