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Town of Wilkesboro

Sewage treatment plant, major discharger, Wilkesboro, North Carolina. NPDES permit NC0021717, in force until Sep 30, 2028. Last 12 months: over a limit 7 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (22 values)
Renewal application due
Apr 3, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, 30-day average36.43 mg/L≤ 30 mg/L21%
December 2025Solids, total suspended, 7-day average52.52 mg/L≤ 45 mg/L17%
May 2026BOD, 5-day, 20 deg. C, 7-day average49 mg/L≤ 45 mg/L9%
May 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean470.9142 #/100mL≤ 200 #/100mL135%
May 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%
May 2026Solids, total suspended, 7-day average65.16 mg/L≤ 45 mg/L45%
August 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean213.2677 #/100mL≤ 200 #/100mL7%

Limits in force (23)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C30-day average≤ 30 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, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]7-day average≤ 35 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 21 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Selenium, total [as Se]30-day average≤ 83.1 ug/Lall year
Selenium, total [as Se]daily maximum≤ 1230 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
Flow, in conduit or thru treatment plant30-day average≤ 4.9 MGDall year
Chlorine, total residualdaily maximum≤ 28 ug/Lall year

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/NC0021717 · MCP: https://passage-data.com/mcp