NPDES permit SC0048348 · Major POTW · effective, expires 2029-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen demand, ultimate | MO AVG | <= 2650 lb/d | Jan, Feb, Nov, Dec |
| 001 | Oxygen demand, ultimate | MO AVG | <= 1593 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Oxygen demand, ultimate | WKLY AVG | report only | Jan, Feb, Nov, Dec |
| 001 | Oxygen demand, ultimate | WKLY AVG | report only | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Oxygen, dissolved [DO] | MINIMUM | >= 2 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 8 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 | <= 12 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 | <= 500 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 626 lb/d | Jan, Feb, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 750 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 938 lb/d | Jan, Feb, Nov, Dec |
| 001 | pH | MINIMUM | >= 6.5 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 | <= 1877 lb/d | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 2800 lb/d | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | WKLY AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | WKLY AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4 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 | <= 6 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 | <= 250 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 125 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 375 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 188 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | WKLY AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | WKLY AVG | 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 | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | WKLY 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 | <= .5 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= 1 mg/L | all year |
| 001 | Chlorine, total residual | MO AVG | <= 31 lb/d | all year |
| 001 | Chlorine, total residual | DAILY MX | <= 63 lb/d | all year |
| 001 | Enterococci | MO AVG | <= 35 MPN/100mL | all year |
| 001 | Enterococci | DAILY MX | <= 104 MPN/100mL | all year |
| 001 | Enterococci | MO AVG | <= 35 MPN/100mL | all year |
| 001 | Enterococci | DAILY MX | <= 800 MPN/100mL | all year |
| 001 | Coliform, fecal general | MO AVG | = 14 MPN/100mL | all year |
| 001 | Coliform, fecal general | WKLY AVG | = 43 MPN/100mL | all year |
| 001 | Coliform, fecal general | MO AVG | = 14 MPN/100mL | all year |
| 001 | Coliform, fecal general | DAILY MX | = 200 MPN/100mL | 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 Americamysis bahia (formerly Mysidopsis bahia) | MO AVG | <= 25 % | all year |
| 001 | % Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | DAILY MX | <= 40 % | all year |
| 001 | Pass/Fail Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | DAILY MX | = 0 pass=0;fail=1 | all year |
| 001 | IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | DAILY 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