NPDES permit SC0040029 · Major POTW · administratively continued, expires 2024-03-31 · EPA's file as of 2026-09-19
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This permit expired on 2024-03-31 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: 2026-08-31.
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 demand, ultimate | MO AVG | <= 2015 lb/d | Jan, Feb, Nov, Dec |
| 001 | Oxygen demand, ultimate | MO AVG | <= 1958 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Oxygen demand, ultimate | WKLY AVG | <= 2015 lb/d | Jan, Feb, Nov, Dec |
| 001 | Oxygen demand, ultimate | WKLY AVG | <= 1958 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Oxygen, dissolved [DO] | MINIMUM | >= 6 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Oxygen, dissolved [DO] | MINIMUM | >= 6 mg/L | Jan, Feb, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 10 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 10 mg/L | Jan, Feb, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 15 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 15 mg/L | Jan, Feb, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 1001 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 1001 lb/d | Jan, Feb, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 1502 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 1502 lb/d | Jan, Feb, Nov, Dec |
| 001 | pH | MINIMUM | >= 6 SU | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | pH | MINIMUM | >= 6 SU | Jan, Feb, Nov, Dec |
| 001 | pH | MAXIMUM | <= 9 SU | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | pH | MAXIMUM | <= 9 SU | Jan, Feb, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | Jan, Feb, Nov, Dec |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | Jan, Feb, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 3002 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | <= 3002 lb/d | Jan, Feb, Nov, Dec |
| 001 | Solids, total suspended | WKLY AVG | <= 4503 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | WKLY AVG | <= 4503 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 2 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 2 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 3 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 3 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 200 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 200 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 300 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 300 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | Jan, Feb, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Flow, in conduit or thru treatment plant | WKLY AVG | report only | Jan, Feb, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | WKLY AVG | report only | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chlorine, total residual | MO AVG | <= .2 mg/L | Jan, Feb, Nov, Dec |
| 001 | Chlorine, total residual | MO AVG | <= .22 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chlorine, total residual | DAILY MX | <= .35 mg/L | Jan, Feb, Nov, Dec |
| 001 | Chlorine, total residual | DAILY MX | <= .37 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chlorine, total residual | MO AVG | <= 20 lb/d | Jan, Feb, Nov, Dec |
| 001 | Chlorine, total residual | MO AVG | <= 22 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chlorine, total residual | DAILY MX | <= 35 lb/d | Jan, Feb, Nov, Dec |
| 001 | Chlorine, total residual | DAILY MX | <= 37 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chlorine, total residual | MINIMUM | >= .12 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chlorine, total residual | MINIMUM | >= .12 mg/L | Jan, Feb, Nov, Dec |
| 001 | Enterococci | 30DAVGEO | <= 35 MPN/100mL | Jan, Feb, Nov, Dec |
| 001 | Enterococci | 30DAVGEO | <= 35 MPN/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Enterococci | DAILY MX | <= 501 MPN/100mL | Jan, Feb, Nov, Dec |
| 001 | Enterococci | DAILY MX | <= 501 MPN/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Enterococci | 30DAVGEO | <= 35 MPN/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Enterococci | 30DAVGEO | <= 35 MPN/100mL | Jan, Feb, Nov, Dec |
| 001 | Enterococci | DAILY MX | <= 800 MPN/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Enterococci | DAILY MX | <= 800 MPN/100mL | Jan, Feb, Nov, Dec |
| 001 | Time each pumping rate utilized | MO AVG | <= 2.75 hr | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, percent removal | MO AV MN | >= 85 % | Jan, Feb, Nov, Dec |
| 001 | BOD, 5-day, percent removal | MO AV MN | >= 85 % | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, suspended percent removal | MO AV MN | >= 75 % | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, suspended percent removal | MO AV MN | >= 75 % | Jan, Feb, Nov, Dec |
| 001 | Time, starting [hhmmusing 24-hour clock] | MINIMUM | >= .5 time | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Time, starting [hhmmusing 24-hour clock] | MINIMUM | >= .5 time | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Time, ending [hhmm using 24-hour clock] | MO AVG | <= 3.25 time | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Time, ending [hhmm using 24-hour clock] | MO AVG | <= 3.25 time | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Tidal stage | DAILY MX | <= 0 ebb/flood | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | % Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AVG | <= 25 % | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | % Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | DAILY MX | <= 40 % | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
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