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Charlotte Water

Sewage treatment plant, major discharger, Charlotte, North Carolina. NPDES permit NC0024945, in force until Oct 31, 2028. Last 12 months: no values over a limit, 10 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (24 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 20 required values missing, 3 of 12 reports late

Limits in force (29)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Conductivitydaily maximumreport only (umho/cm)all year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall 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≤ 3.6 mg/LApr–Oct
Nitrogen, ammonia total [as N]7-day average≤ 6.9 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]30-day average≤ 1.2 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LJan, 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
Phosphorus, total [as P]daily maximumreport only (lb/yr)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
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 1000 #/100mLall year
Flow, in conduit or thru treatment plant30-day average≤ 15 MGDall year
Chlorine, total residualdaily maximum≤ 17 ug/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 7.5 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 15 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]30-day average≤ 5 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]30-day average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
Flow, totaldaily maximumreport only (Mgal/mo)all year
1,4-Dioxanedaily maximumreport only (ug/L)all 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/NC0024945 · MCP: https://passage-data.com/mcp