Clean Water Act discharge permit · NPDES SC0049361
DORCHESTER CO CENTRAL DORCHESTER WWTP, Ridgeville, SC: NPDES SC0049361 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 21Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
DORCHESTER CO CENTRAL DORCHESTER WWTP, held by (Unknown Permittee), holds NPDES permit SC0049361. EPA’s file records it issued October 18, 2022 and expiring November 30, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | DORCHESTER CO CENTRAL DORCHESTER WWTP |
|---|---|
| Permittee as filed | (Unknown Permittee) |
| NPDES ID | SC0049361 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 18, 2022 |
| Expiration date | November 30, 2027 |
| Issuing agency | State |
| Address | Ridgeville, SC 29472 |
| Subwatershed | Dawson Branch (HUC 030502010505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 21Pollutants on file
- 21Under a numeric limit
- 21With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Oxygen demand, ultimate | 48 | 48 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 32 | 0 | ||
| Solids, total suspended | 4 | 32 | 0 | ||
| Nitrogen, total [as N] | 4 | 32 | 0 | ||
| Phosphorus, total [as P] | 4 | 32 | 0 | ||
| Cadmium, total [as Cd] | 4 | 32 | 0 | ||
| Copper, total [as Cu] | 4 | 32 | 0 | ||
| Lead, total [as Pb] | 4 | 32 | 0 | ||
| Zinc, total [as Zn] | 4 | 32 | 0 | ||
| Chlorine, total residual | 4 | 32 | 0 | ||
| E. coli | 4 | 32 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 32 | 0 | ||
| pH | 2 | 16 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 16 | 0 | ||
| Mercury, total [as Hg] | 4 | 8 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 8 | 0 | ||
| BOD, 5-day, percent removal | 1 | 8 | 0 | ||
| Solids, suspended percent removal | 1 | 8 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 2 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SC0049361.
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SC0049361.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID SC0049361 there.
Nearby on the register
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- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.