Passage Data · Check a report · Use it from your AI

Charlotte Water

Sewage treatment plant, major discharger, Charlotte, North Carolina. NPDES permit NC0030210, in force until Nov 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: outfall 001 form M monthly (33 values), outfall 001D form M monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 9 required values missing, 2 of 24 reports late

Limits in force (49)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)Jun–Sep001
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001
Temperature, water deg. centigradedaily maximumreport only (deg C)Jun–Sep001
Conductivitydaily maximumreport only (umho/cm)all year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jun–Sep001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jun–Sep001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspended30-day average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]7-day average≤ 3 mg/LApr–Oct001
Nitrogen, ammonia total [as N]7-day average≤ 6 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LApr–Oct001
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Coliform, fecal MF, MFC broth, 44.5 Cweekly geometric mean≤ 400 #/100mLall year001
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year001
Flow, in conduit or thru treatment plant30-day average≤ 13.1 MGDall year001
Chlorine, total residualdaily maximum≤ 18 ug/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 6.3 mg/LApr–Oct001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 12.5 mg/LJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]30-day average≤ 4.2 mg/LApr–Oct001
BOD, carbonaceous [5 day, 20 C]30-day average≤ 8.3 mg/LJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001D
Temperature, water deg. centigradedaily maximumreport only (deg C)Jun–Sep001D
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jun–Sep001D
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001D
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001D
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001D
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001D
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001D

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0030210 · MCP: https://passage-data.com/mcp