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Town of Magnolia

Sewage treatment plant, Magnolia, North Carolina. NPDES permit NC0020346, in force until Jan 31, 2027. Last 12 months: over a limit 8 times (last May 2026), 11 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (24 values)
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 12 required values missing, 8 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean1646.3292 #/100mL≤ 400 #/100mL312%
December 2025BOD, 5-day, 20 deg. C, 30-day average16.8 mg/L≤ 10 mg/L68%
December 2025BOD, 5-day, 20 deg. C, 7-day average49 mg/L≤ 20 mg/L145%
December 2025Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean687 #/100mL≤ 400 #/100mL72%
December 2025Nitrogen, ammonia total [as N], 30-day average5.62 mg/L≤ 4 mg/L41%
December 2025Nitrogen, ammonia total [as N], 7-day average13 mg/L≤ 12 mg/L8%
May 2026BOD, 5-day, 20 deg. C, 30-day average6.25 mg/L≤ 5 mg/L25%
May 2026BOD, 5-day, 20 deg. C, 7-day average11 mg/L≤ 10 mg/L10%

Limits in force (28)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Conductivitydaily maximumreport only (umho/cm)all year
Conductivitydaily maximumreport only (umho/cm)all year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C7-day average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 10 mg/LApr–Oct
BOD, 5-day, 20 deg. C30-day average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. C30-day average≤ 5 mg/LApr–Oct
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≤ 12 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 6 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LApr–Oct
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
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximumreport only (#/100mL)all year
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximumreport only (#/100mL)all year
Flow, in conduit or thru treatment plant30-day average≤ .25 MGDall year
Chlorine, total residualdaily maximum≤ 17 mg/Lall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0020346 · MCP: https://passage-data.com/mcp