City of Lake City

NPDES permit SC0046311 · Major POTW · administratively continued, expires 2022-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2022-11-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

1values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, suspended percent removal (1).

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (69)

OutfallParameterStatisticLimitMonths
001Oxygen demand, ultimateMO AVG <= 2077 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateMO AVG <= 5555 lb/d Jan, Feb, Nov, Dec
001Oxygen demand, ultimateWKLY AVG report only Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateWKLY AVG report only Jan, Feb, Nov, Dec
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jan, Feb, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 1501 lb/d Jan, Feb, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 1301 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 2252 lb/d Jan, Feb, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 1952 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Nov, Dec
001Solids, total suspendedWKLY AVG <= 45 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 45 mg/L Jan, Feb, Nov, Dec
001Solids, total suspendedMO AVG <= 1301 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 1501 lb/d Jan, Feb, Nov, Dec
001Solids, total suspendedWKLY AVG <= 1952 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 2252 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 18.2 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 18.2 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 27.3 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 27.3 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 789 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 911 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 1184 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 1366 lb/d Jan, Feb, Nov, Dec
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]WKLY AVG report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualMO AVG <= .166 mg/L Jan, Feb, Nov, Dec
001Chlorine, total residualMO AVG <= .15 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX <= .287 mg/L Jan, Feb, Nov, Dec
001Chlorine, total residualDAILY MX <= .26 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualMO AVG <= 8.31 lb/d Jan, Feb, Nov, Dec
001Chlorine, total residualMO AVG <= 6.51 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX <= 14.36 lb/d Jan, Feb, Nov, Dec
001Chlorine, total residualDAILY MX <= 11.28 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 349 MPN/100mL all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 800 MPN/100mL all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
0011,4-DioxaneMO AVG <= .49 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
0011,4-DioxaneMO AVG <= .43 mg/L Jan, Feb, Nov, Dec
0011,4-DioxaneDAILY MX <= .6 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
0011,4-DioxaneDAILY MX <= .52 mg/L Jan, Feb, Nov, Dec
0011,4-DioxaneMO AVG <= 21 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
0011,4-DioxaneMO AVG <= 22 lb/d Jan, Feb, Nov, Dec
0011,4-DioxaneDAILY MX <= 26 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
0011,4-DioxaneDAILY MX <= 26 lb/d Jan, Feb, Nov, Dec
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % 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