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Town of Jefferson

Sewage treatment plant, Jefferson, North Carolina. NPDES permit NC0021709, in force until Mar 31, 2028. Last 12 months: over a limit 7 times (last August 2026), 84 required values missing, 10 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (28 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 6 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Copper, total [as Cu], 30-day average24 ug/L≤ 17.6 ug/L36%
December 2025Copper, total [as Cu], 30-day average24 ug/L≤ 17.6 ug/L36%
December 2025Copper, total [as Cu], daily maximum24 ug/L≤ 21.6 ug/L11%
December 2025Copper, total [as Cu], daily maximum24 ug/L≤ 21.6 ug/L11%
February 2026Copper, total [as Cu], 30-day average21 ug/L≤ 17.6 ug/L19%
April 2026BOD, 5-day, 20 deg. C, 30-day average5.1071 mg/L≤ 5 mg/L2%
August 2026Copper, total [as Cu], daily maximum27 ug/L≤ 21.6 ug/L25%

Limits in force (38)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Temperature, water deg. centigradedaily maximumreport only (deg C)Jun–Sep
Temperature, water deg. centigradedaily maximumreport only (deg C)Jun–Sep
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jun–Sep
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jun–Sep
BOD, 5-day, 20 deg. C7-day average≤ 7.5 mg/LApr–Oct
BOD, 5-day, 20 deg. C7-day average≤ 15 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. C30-day average≤ 5 mg/LApr–Oct
BOD, 5-day, 20 deg. C30-day average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
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≤ 30 mg/Lall year
Solids, total suspended30-day average≤ 20 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
Cyanide, total [as CN]30-day average≤ 8.4 ug/Lall year
Cyanide, total [as CN]daily maximum≤ 32.8 ug/Lall year
Copper, total [as Cu]30-day average≤ 17.6 ug/Lall year
Copper, total [as Cu]daily maximum≤ 21.6 ug/Lall year
Zinc, total [as Zn]30-day average≤ 251 ug/Lall year
Zinc, total [as Zn]daily maximum≤ 251 ug/Lall year
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)Jun–Sep
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximumreport only (#/100mL)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximumreport only (#/100mL)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximumreport only (#/100mL)Jun–Sep
Flow, in conduit or thru treatment plant30-day average≤ .6 MGDall year
Chlorine, total residualdaily maximum≤ 28 ug/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/NC0021709 · MCP: https://passage-data.com/mcp