NPDES permit SC0041807 · Minor NON-POTW · administratively continued, expires 2024-02-29 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2024-02-29 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, dissolved [DO] | MINIMUM | >= 5 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 15 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 30 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 1 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 2 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 | DAILY MX | <= 60 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 2 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 4 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.82 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.05 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.64 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.1 mg/L | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= .12 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= .07 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= .24 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= .14 lb/d | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | MO AVG | <= 1 mg/L | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | <= 2 mg/L | all year |
| 001 | Phosphorus, total [as P] | MO AVG | <= .07 lb/d | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | <= .13 lb/d | all year |
| 001 | Cadmium, total [as Cd] | MO AVG | <= .00034 mg/L | all year |
| 001 | Cadmium, total [as Cd] | DAILY MX | <= .0019 mg/L | all year |
| 001 | Cadmium, total [as Cd] | MO AVG | <= .000023 lb/d | all year |
| 001 | Cadmium, total [as Cd] | DAILY MX | <= .00013 lb/d | all year |
| 001 | Copper, total [as Cu] | MO AVG | <= .0097 mg/L | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= .013 mg/L | all year |
| 001 | Copper, total [as Cu] | MO AVG | <= .00065 lb/d | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= .00087 lb/d | all year |
| 001 | Lead, total [as Pb] | MO AVG | <= .0035 mg/L | all year |
| 001 | Lead, total [as Pb] | DAILY MX | <= .091 mg/L | all year |
| 001 | Lead, total [as Pb] | MO AVG | <= .00023 lb/d | all year |
| 001 | Lead, total [as Pb] | DAILY MX | <= .0061 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Chlorine, total residual | MO AVG | <= .011 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .019 mg/L | all year |
| 001 | Chlorine, total residual | MO AVG | <= .0007 lb/d | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .0013 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 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AVG | report only | all year |
| 001 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DAILY 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