NPDES permit SC0001341 · Major NON-POTW · administratively continued, expires 2021-08-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2021-08-31 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. Most often over: Solids, total suspended (1).
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 |
|---|---|---|---|---|
| T1M | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| T1M | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| T1M | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| T1M | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | <= 164 lb/d | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | <= 359 lb/d | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | <= 277 lb/d | all year |
| T1M | BOD, 5-day, 20 deg. C | MO AVG | <= 441 lb/d | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | <= 312 lb/d | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | <= 679 lb/d | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | <= 528 lb/d | all year |
| T1M | BOD, 5-day, 20 deg. C | DAILY MX | <= 831 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | <= 2125 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | <= 1267 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | <= 2967 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | MO AVG | <= 3270 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 3655 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 2200 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 4543 lb/d | all year |
| T1M | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 5430 lb/d | all year |
| T1M | pH | INST MIN | report only | all year |
| T1M | pH | INST MIN | report only | all year |
| T1M | pH | INST MIN | report only | all year |
| T1M | pH | INST MIN | report only | all year |
| T1M | pH | INST MAX | report only | all year |
| T1M | pH | INST MAX | report only | all year |
| T1M | pH | INST MAX | report only | all year |
| T1M | pH | INST MAX | report only | all year |
| T1M | Solids, total suspended | MO AVG | report only | all year |
| T1M | Solids, total suspended | MO AVG | report only | all year |
| T1M | Solids, total suspended | MO AVG | report only | all year |
| T1M | Solids, total suspended | MO AVG | report only | all year |
| T1M | Solids, total suspended | DAILY MX | report only | all year |
| T1M | Solids, total suspended | DAILY MX | report only | all year |
| T1M | Solids, total suspended | DAILY MX | report only | all year |
| T1M | Solids, total suspended | DAILY MX | report only | all year |
| T1M | Solids, total suspended | MO AVG | <= 550 lb/d | all year |
| T1M | Solids, total suspended | MO AVG | <= 421 lb/d | all year |
| T1M | Solids, total suspended | MO AVG | <= 248 lb/d | all year |
| T1M | Solids, total suspended | MO AVG | <= 678 lb/d | all year |
| T1M | Solids, total suspended | DAILY MX | <= 1197 lb/d | all year |
| T1M | Solids, total suspended | DAILY MX | <= 910 lb/d | all year |
| T1M | Solids, total suspended | DAILY MX | <= 534 lb/d | all year |
| T1M | Solids, total suspended | DAILY MX | <= 1483 lb/d | all year |
| T1M | Nitrogen, ammonia total [as N] | MO AVG | <= 1 mg/L | all year |
| T1M | Nitrogen, ammonia total [as N] | MO AVG | <= 1 mg/L | all year |
| T1M | Nitrogen, ammonia total [as N] | MO AVG | <= 1 mg/L | all year |
| T1M | Nitrogen, ammonia total [as N] | MO AVG | <= 1 mg/L | all year |
| T1M | Nitrogen, ammonia total [as N] | DAILY MX | <= 2 mg/L | all year |
| T1M | Nitrogen, ammonia total [as N] | DAILY MX | <= 2 mg/L | all year |
| T1M | Nitrogen, ammonia total [as N] | DAILY MX | <= 2 mg/L | all year |
| T1M | Nitrogen, ammonia total [as N] | DAILY MX | <= 2 mg/L | all year |
| T1M | Sulfide, total [as S] | MO AVG | report only | all year |
| T1M | Sulfide, total [as S] | MO AVG | report only | all year |
| T1M | Sulfide, total [as S] | MO AVG | report only | all year |
| T1M | Sulfide, total [as S] | MO AVG | report only | all year |
| T1M | Sulfide, total [as S] | DAILY MX | report only | all year |
| T1M | Sulfide, total [as S] | DAILY MX | report only | all year |
| T1M | Sulfide, total [as S] | DAILY MX | report only | all year |
| T1M | Sulfide, total [as S] | DAILY MX | report only | all year |
| T1M | Sulfide, total [as S] | MO AVG | <= 5.4 lb/d | all year |
| T1M | Sulfide, total [as S] | MO AVG | <= 2.3 lb/d | all year |
| T1M | Sulfide, total [as S] | MO AVG | <= 4 lb/d | all year |
| T1M | Sulfide, total [as S] | MO AVG | <= 6.7 lb/d | all year |
| T1M | Sulfide, total [as S] | DAILY MX | <= 10.7 lb/d | all year |
| T1M | Sulfide, total [as S] | DAILY MX | <= 4.7 lb/d | all year |
| T1M | Sulfide, total [as S] | DAILY MX | <= 8.1 lb/d | all year |
| T1M | Sulfide, total [as S] | DAILY MX | <= 13.4 lb/d | all year |
| T1M | Chromium, total [as Cr] | MO AVG | report only | all year |
| T1M | Chromium, total [as Cr] | MO AVG | report only | all year |
| T1M | Chromium, total [as Cr] | MO AVG | report only | all year |
| T1M | Chromium, total [as Cr] | MO AVG | report only | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | report only | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | report only | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | report only | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | report only | all year |
| T1M | Chromium, total [as Cr] | MO AVG | <= 2.6 lb/d | all year |
| T1M | Chromium, total [as Cr] | MO AVG | <= .35 lb/d | all year |
| T1M | Chromium, total [as Cr] | MO AVG | <= 1.9 lb/d | all year |
| T1M | Chromium, total [as Cr] | MO AVG | <= 3.2 lb/d | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | <= 5.4 lb/d | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | <= .74 lb/d | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | <= 4 lb/d | all year |
| T1M | Chromium, total [as Cr] | DAILY MX | <= 6.7 lb/d | all year |
| T1M | Phenols | MO AVG | report only | all year |
| T1M | Phenols | MO AVG | report only | all year |
| T1M | Phenols | MO AVG | report only | all year |
| T1M | Phenols | MO AVG | report only | all year |
| T1M | Phenols | DAILY MX | report only | all year |
| T1M | Phenols | DAILY MX | report only | all year |
| T1M | Phenols | DAILY MX | report only | all year |
| T1M | Phenols | DAILY MX | report only | all year |
| T1M | Phenols | MO AVG | <= 1.9 lb/d | all year |
| T1M | Phenols | MO AVG | <= 2.6 lb/d | all year |
| T1M | Phenols | MO AVG | <= .35 lb/d | all year |
| T1M | Phenols | MO AVG | <= 3.2 lb/d | all year |
| T1M | Phenols | DAILY MX | <= 4 lb/d | all year |
| T1M | Phenols | DAILY MX | <= 5.4 lb/d | all year |
| T1M | Phenols | DAILY MX | <= .74 lb/d | all year |
| T1M | Phenols | DAILY MX | <= 6.7 lb/d | all year |
| T1M | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| T1M | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| T1M | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| T1M | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| T1M | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| T1M | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| T1M | E. coli | 30DAVGEO | <= 126 #/100mL | all year |
| T1M | E. coli | 30DAVGEO | <= 126 #/100mL | all year |
| T1M | E. coli | 30DAVGEO | <= 126 #/100mL | all year |
| T1M | E. coli | 30DAVGEO | <= 126 #/100mL | all year |
| T1M | E. coli | DAILY MX | <= 349 #/100mL | all year |
| T1M | E. coli | DAILY MX | <= 349 #/100mL | all year |
| T1M | E. coli | DAILY MX | <= 349 #/100mL | all year |
| T1M | E. coli | DAILY MX | <= 349 #/100mL | all year |
| T1M | Length of longest pH excursion | INST MAX | <= 60 min | all year |
| T1M | Length of longest pH excursion | INST MAX | <= 60 min | all year |
| T1M | Length of longest pH excursion | INST MAX | <= 60 min | all year |
| T1M | Length of longest pH excursion | INST MAX | <= 60 min | all year |
| T1M | % of time exceeding pH limits | INST MAX | <= 1 % | all year |
| T1M | % of time exceeding pH limits | INST MAX | <= 1 % | all year |
| T1M | % of time exceeding pH limits | INST MAX | <= 1 % | all year |
| T1M | % of time exceeding pH limits | INST MAX | <= 1 % | all year |
| T1Q | Aluminum, total [as Al] | MO AVG | report only | all year |
| T1Q | Aluminum, total [as Al] | MO AVG | report only | all year |
| T1Q | Aluminum, total [as Al] | MO AVG | report only | all year |
| T1Q | Aluminum, total [as Al] | DAILY MX | report only | all year |
| T1Q | Aluminum, total [as Al] | DAILY MX | report only | all year |
| T1Q | Aluminum, total [as Al] | DAILY MX | report only | all year |
| T1Q | Mercury, total [as Hg] | MO AVG | report only | all year |
| T1Q | Mercury, total [as Hg] | MO AVG | report only | all year |
| T1Q | Mercury, total [as Hg] | MO AVG | report only | all year |
| T1Q | Mercury, total [as Hg] | MO AVG | report only | all year |
| T1Q | Mercury, total [as Hg] | DAILY MX | report only | all year |
| T1Q | Mercury, total [as Hg] | DAILY MX | report only | all year |
| T1Q | Mercury, total [as Hg] | DAILY MX | report only | all year |
| T1Q | Mercury, total [as Hg] | DAILY MX | report only | all year |
| T1X | LC50 Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | report only | all year |
| T1X | LC50 Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | report only | all year |
| T1X | LC50 Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | report only | all year |
| T1X | LC50 Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | report only | all year |
| T1X | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AVG | <= 25 % | all year |
| T1X | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AVG | <= 25 % | all year |
| T1X | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AVG | <= 25 % | all year |
| T1X | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DAILY MX | <= 40 % | all year |
| T1X | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DAILY MX | <= 40 % | all year |
| T1X | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DAILY MX | <= 40 % | all year |
| T1X | Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | <= 0 pass=0;fail=1 | all year |
| T1X | Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | <= 0 pass=0;fail=1 | all year |
| T1X | Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | <= 0 pass=0;fail=1 | all year |
| T1X | Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | DAILY MX | <= 0 pass=0;fail=1 | all year |
| T1Y | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AVG | report only | all year |
| T1Y | %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