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Brunswick County

Sewage treatment plant, Carolina Shores, North Carolina. NPDES permit NC0044873 expired Aug 31, 2024; its limits still apply. Last 12 months: over a limit once (last August 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (15 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 9 required values missing, 3 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
August 2026Oxygen, dissolved [DO], daily minimum4.67 mg/L≥ 5 mg/L7%

Limits in force (17)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 7.5 mg/Lall year
BOD, 5-day, 20 deg. C30-day average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]7-day average≤ 6 mg/LApr–Oct
Nitrogen, ammonia total [as N]7-day average≤ 12 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LJan, Feb, Mar, Nov, Dec
Coliform, fecal MF, MFC broth, 44.5 Cweekly geometric mean≤ 400 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year
Flow, in conduit or thru treatment plant30-day average≤ .53 MGDall 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/NC0044873 · MCP: https://passage-data.com/mcp