Town of Siler City

NPDES permit NC0026441 · Major POTW · effective, expires 2027-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

3values over a limit
10required values missing, on 10 form(s)
11of 55 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (2), Solids, total suspended (1).

Reporting

Reports are due about 31 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (101)

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
001BOD, 5-day, 20 deg. C7 DA AVG <= 7.5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. C7 DA AVG <= 15 mg/L Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, 20 deg. C30DA AVG <= 5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. C30DA AVG <= 10 mg/L Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, total [as N]DAILY 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 <= 6 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 <= 2 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]9B <= .5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]9B <= 2 mg/L Jan, Feb, Mar, Nov, Dec
001Chloride [as Cl]30DA AVG <= 233 mg/L all year
001Cadmium, total [as Cd]30DA AVG <= 1.6 ug/L all year
001Cadmium, total [as Cd]DAILY MX <= 10.2 ug/L all year
001Copper, total [as Cu]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
001Flow, in conduit or thru treatment plant30DA AVG <= 4 MGD all year
001Chlorine, total residualDAILY MX <= 17 ug/L all year
001Flow, totalDAILY MX report only all year
0011,4-DioxaneDAILY MX report only all year
LCDTemperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
LCDTemperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDConductivityDAILY MX report only Jun, Jul, Aug, Sep
LCDConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDOxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
LCDOxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDpHDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDpHDAILY MX report only Jun, Jul, Aug, Sep
LCDNitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
LCDNitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDNitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Jul, Aug, Sep
LCDNitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDNitrite + Nitrate total [as N]DAILY MX report only Jun, Jul, Aug, Sep
LCDNitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDPhosphorus, total [as P]DAILY MX report only Jun, Jul, Aug, Sep
LCDPhosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCDColiform, fecal MF, MFC broth, 44.5 CDAILY MX report only all year
LCUTemperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUTemperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
LCUConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUConductivityDAILY MX report only Jun, Jul, Aug, Sep
LCUOxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUOxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
LCUpHDAILY MX report only Jun, Jul, Aug, Sep
LCUpHDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUNitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
LCUNitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUNitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Jul, Aug, Sep
LCUNitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUNitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUNitrite + Nitrate total [as N]DAILY MX report only Jun, Jul, Aug, Sep
LCUPhosphorus, total [as P]DAILY MX report only Jun, Jul, Aug, Sep
LCUPhosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
LCUColiform, fecal MF, MFC broth, 44.5 CDAILY MX report only all year
RRDTemperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
RRDTemperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDConductivityDAILY MX report only Jun, Jul, Aug, Sep
RRDOxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDOxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
RRDpHDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDpHDAILY MX report only Jun, Jul, Aug, Sep
RRDNitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDNitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
RRDNitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDNitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Jul, Aug, Sep
RRDNitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDNitrite + Nitrate total [as N]DAILY MX report only Jun, Jul, Aug, Sep
RRDPhosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRDPhosphorus, total [as P]DAILY MX report only Jun, Jul, Aug, Sep
RRDColiform, fecal MF, MFC broth, 44.5 CDAILY MX report only all year
RRUTemperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUTemperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep
RRUConductivityDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUConductivityDAILY MX report only Jun, Jul, Aug, Sep
RRUOxygen, dissolved [DO]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUOxygen, dissolved [DO]DAILY MX report only Jun, Jul, Aug, Sep
RRUpHDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUpHDAILY MX report only Jun, Jul, Aug, Sep
RRUNitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUNitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
RRUNitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Jul, Aug, Sep
RRUNitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUNitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUNitrite + Nitrate total [as N]DAILY MX report only Jun, Jul, Aug, Sep
RRUPhosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
RRUPhosphorus, total [as P]DAILY MX report only Jun, Jul, Aug, Sep
RRUColiform, fecal MF, MFC broth, 44.5 CDAILY MX report only 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