NPDES permit SC0049255 · Minor POTW · administratively continued, expires 2025-03-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2025-03-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31.
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).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | MINIMUM | = 5 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | = 30 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | = 45 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | = 65 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | = 98 lb/d | all year |
| 001 | pH | MINIMUM | = 6 SU | all year |
| 001 | pH | MAXIMUM | = 8.5 SU | all year |
| 001 | Solids, total suspended | MO AVG | = 30 mg/L | all year |
| 001 | Solids, total suspended | WKLY AVG | = 45 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | = 65 lb/d | all year |
| 001 | Solids, total suspended | WKLY AVG | = 98 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 20 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 17.4 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | = 30 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | = 26.1 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 43 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 38 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | = 65 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | = 57 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chromium, total [as Cr] | MO AVG | report only | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | report only | all year |
| 001 | Chromium, total [as Cr] | MO AVG | report only | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | MO AVG | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | MO AVG | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 001 | Zinc, total [as Zn] | MO AVG | report only | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | report only | all year |
| 001 | Zinc, total [as Zn] | MO AVG | report only | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | report only | all year |
| 001 | Antimony, total [as Sb] | MO AVG | report only | all year |
| 001 | Antimony, total [as Sb] | DAILY MX | report only | all year |
| 001 | Antimony, total [as Sb] | MO AVG | report only | all year |
| 001 | Antimony, total [as Sb] | DAILY MX | report only | all year |
| 001 | Toluene | MO AVG | report only | all year |
| 001 | Toluene | DAILY MX | report only | all year |
| 001 | Toluene | MO AVG | report only | all year |
| 001 | Toluene | DAILY MX | report only | all year |
| 001 | Ethylbenzene | MO AVG | report only | all year |
| 001 | Ethylbenzene | DAILY MX | report only | all year |
| 001 | Ethylbenzene | MO AVG | report only | all year |
| 001 | Ethylbenzene | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | WKLY AVG | report only | all year |
| 001 | Chlorine, total residual | MO AVG | = .22 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | = .38 mg/L | all year |
| 001 | Chlorine, total residual | MO AVG | = .48 lb/d | all year |
| 001 | Chlorine, total residual | DAILY MX | = .82 lb/d | all year |
| 001 | E. coli | 30DAVGEO | = 126 MPN/100mL | all year |
| 001 | E. coli | DAILY MX | = 349 MPN/100mL | all year |
| 001 | E. coli | 30DAVGEO | = 126 MPN/100mL | all year |
| 001 | E. coli | DAILY MX | = 800 MPN/100mL | all year |
| 001 | Chemical oxygen demand [COD] | MO AVG | report only | all year |
| 001 | Chemical oxygen demand [COD] | WKLY AVG | report only | all year |
| 001 | Chemical oxygen demand [COD] | MO AVG | report only | all year |
| 001 | Chemical oxygen demand [COD] | WKLY AVG | report only | all year |
| 001 | BOD, 5-day, percent removal | MO AV MN | = 85 % | all year |
| 001 | Solids, suspended percent removal | MO AV MN | = 85 % | all year |
| 001 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AVG | = 25 % | all year |
| 001 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DAILY 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