Charlotte Water

NPDES permit NC0024970 · Major POTW · effective, expires 2028-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
23required values missing, on 12 form(s)
0of 132 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 31 days after each monitoring period ends (the most common figure among NC permits in EPA's filings — check your permit).

Limits in force (106)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001ConductivityDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended7 DA AVG <= 22.5 mg/L all year
001Solids, total suspended30DA AVG <= 15 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]7 DA AVG <= 3 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]7 DA AVG <= 5.7 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 1 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 1.9 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]30DA AVG <= 1067 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Coliform, fecal MF, MFC broth, 44.5 CWK GEOMN <= 400 #/100mL all year
001Coliform, fecal MF, MFC broth, 44.5 CMO GEOMN <= 200 #/100mL all year
001Coliform, fecal MF, MFC broth, 44.5 CDAILY MX <= 1000 #/100mL all year
001Flow, in conduit or thru treatment plant30DA AVG <= 64 MGD all year
001Chlorine, total residualDAILY MX <= 17 ug/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 6 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 12 mg/L Jan, Feb, Mar, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 4 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 8 mg/L Jan, Feb, Mar, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
001Flow, totalDAILY MX report only all year
IC1Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
IC1Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
IC1TurbidityDAILY MX report only Jun, Jul, Aug, Sep
IC1TurbidityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
IC1TurbidityDAILY MX report only Jun, Jul, Aug, Sep
IC1ConductivityDAILY MX report only Jun, Jul, Aug, Sep
IC1ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
IC1Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
IC1Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
IC1Coliform, fecal MF, MFC broth, 44.5 CDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
IC1Coliform, fecal MF, MFC broth, 44.5 CDAILY MX report only Jun, Jul, Aug, Sep
LSC1Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
LSC1Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LSC1ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LSC1ConductivityDAILY MX report only Jun, Jul, Aug, Sep
LSC1Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LSC1Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
LSC3Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
LSC3Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LSC3ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LSC3ConductivityDAILY MX report only Jun, Jul, Aug, Sep
LSC3Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LSC3Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
MC1Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
MC1Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
MC1ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
MC1ConductivityDAILY MX report only Jun, Jul, Aug, Sep
MC1Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
MC1Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
MC2Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
MC2Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
MC2ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
MC2ConductivityDAILY MX report only Jun, Jul, Aug, Sep
MC2Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
MC2Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
SC1Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC1Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
SC1TurbidityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC1TurbidityDAILY MX report only Jun, Jul, Aug, Sep
SC1ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC1ConductivityDAILY MX report only Jun, Jul, Aug, Sep
SC1Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC1Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
SC1Coliform, fecal MF, MFC broth, 44.5 CDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC1Coliform, fecal MF, MFC broth, 44.5 CDAILY MX report only Jun, Jul, Aug, Sep
SC2Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC2Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
SC2ConductivityDAILY MX report only Jun, Jul, Aug, Sep
SC2ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC2Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
SC2Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC3Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC3Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
SC3ConductivityDAILY MX report only Jun, Jul, Aug, Sep
SC3ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC3Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
SC3Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC4Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
SC4Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC4ConductivityDAILY MX report only Jun, Jul, Aug, Sep
SC4ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC4Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC4Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
SC5Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC5Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
SC5ConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC5ConductivityDAILY MX report only Jun, Jul, Aug, Sep
SC5Oxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC5Oxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
SC5pHDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
SC5pHDAILY MX report only Jun, Jul, Aug, Sep
SC5Nitrogen, ammonia total [as N]DAILY MX report only all year
SC5Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
SC5Nitrite + Nitrate total [as N]DAILY MX report only all year
SC5Phosphate, ortho [as PO4]DAILY MX report only all year
SC5Phosphorus, total [as P]DAILY MX report only all year
TP01Phosphorus, total [as P]30DA AVG <= 826 lb/d all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states