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City of Morganton

Sewage treatment plant, major discharger, Morganton, North Carolina. NPDES permit NC0026573, in force until Feb 28, 2027. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (27 values)
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
May 2026Solids, total suspended, 7-day average99 mg/L≤ 45 mg/L120%

Limits in force (33)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
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
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
Conductivitydaily maximumreport only (umho/cm)all year
Conductivitydaily maximumreport only (umho/cm)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Conductivitydaily maximumreport only (umho/cm)Jun–Sep
Conductivitydaily maximumreport only (umho/cm)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Conductivitydaily maximumreport only (umho/cm)Jun–Sep
Oxygen, dissolved [DO]daily minimum≥ 5 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≤ 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≤ 25.3 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 8.4 mg/Lall year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Silver, total [as Ag]daily maximumreport only (ug/L)all 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≤ 8 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.

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/NC0026573 · MCP: https://passage-data.com/mcp