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NPDES permit SC0049352 · Minor NON-POTW · expired, expires 2025-02-28 · 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.

This permit expired on 2025-02-28 and is expired: 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

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

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (31)

OutfallParameterStatisticLimitMonths
001Oxygen demand, ultimateMO AVG = 10.5 lb/d all year
001Oxygen demand, ultimateDAILY MX = 21 lb/d all year
001Oxygen, dissolved [DO]INST MIN = 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHINST MIN = 6 SU all year
001pHINST MAX = 8.5 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG = 1 mg/L all year
001Phosphorus, total [as P]DAILY MX = 2 mg/L all year
001Zinc, total [as Zn]MO AVG = .33 mg/L all year
001Zinc, total [as Zn]DAILY MX = .33 mg/L all year
001Aluminum, total [as Al]MO AVG = .24 mg/L all year
001Aluminum, total [as Al]DAILY MX = 2 mg/L all year
001Color [admi units]DAILY MX report only all year
001Color [admi units]DAILY MX report only all year
001Color [admi units]DAILY MX report only all year
001Color [admi units]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
001E. coliMO AVG = 126 #/100mL all year
001E. coliDAILY MX = 349 #/100mL all year
001Mercury, total [as Hg]MO AVG = .00014 mg/L all year
001Mercury, total [as Hg]DAILY MX = .0002 mg/L all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY 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