(Unknown Permittee)

NPDES permit SC0029645 · Minor NON-POTW · effective, expires 2029-11-30 · 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

4values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli (2), %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia (2).

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 (41)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 21 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 42 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 11.8 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 23.7 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Solids, total suspendedMO AVG <= 16.9 lb/d all year
001Solids, total suspendedDAILY MX <= 33.8 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 5.58 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.84 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 11.16 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 3.68 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 3.15 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.04 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 6.29 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 2.07 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Copper, total [as Cu]MO AVG <= .012 mg/L all year
001Copper, total [as Cu]DAILY MX <= .016 mg/L all year
001Copper, total [as Cu]MO AVG <= .007 lb/d all year
001Copper, total [as Cu]DAILY MX <= .009 lb/d all year
001Lead, total [as Pb]MO AVG <= .004 mg/L all year
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]MO AVG <= .002 lb/d all year
001Lead, total [as Pb]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .014 mg/L all year
001Chlorine, total residualDAILY MX <= .024 mg/L all year
001Chlorine, total residualMO AVG <= .008 lb/d all year
001Chlorine, total residualDAILY MX <= .014 lb/d all year
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
001LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN report only all year
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
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN 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