Clean Water Act discharge permit · NPDES SC0024970
USAF SHAW AIR FORCE BASE, Sumter, SC: NPDES SC0024970 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
USAF SHAW AIR FORCE BASE, held by C.G. MATHEWSUSAF SHAW AIR FORCE BASE, holds NPDES permit SC0024970. EPA’s file records it issued April 23, 2003 and expiring May 31, 2008. 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 | USAF SHAW AIR FORCE BASE |
|---|---|
| Permittee as filed | C.G. MATHEWSUSAF SHAW AIR FORCE BASE |
| NPDES ID | SC0024970 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | April 23, 2003 |
| Expiration date | May 31, 2008 |
| Issuing agency | State |
| Address | Sumter, SC 29152 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Green Swamp (HUC 030402050301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 26Pollutants on file
- 0Under a numeric limit
- 26With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 350 | 62 | February 28, 2006 | 355% over the limit |
| Copper, total [as Cu] | 0 | 66 | 15 | February 28, 2006 | 168% over the limit |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 7 | 7 | June 30, 2005 | |
| Coliform, fecal general | 0 | 291 | 3 | February 29, 2004 | 99,999% over the limit |
| pH | 0 | 681 | 1 | March 31, 2006 | |
| Flow, in conduit or thru treatment plant | 0 | 660 | 0 | ||
| Solids, total suspended | 0 | 584 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 583 | 0 | ||
| Tetrachloroethylene | 0 | 294 | 0 | ||
| Trichloroethylene | 0 | 294 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 288 | 0 | ||
| Phosphorus, total [as P] | 0 | 286 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 145 | 0 | ||
| Oil and grease, hexane extr method | 0 | 96 | 0 | ||
| Benzene | 0 | 51 | 0 | ||
| Lead, total [as Pb] | 0 | 49 | 0 | ||
| Methyl tert-butyl ether [MTBE] | 0 | 49 | 0 | ||
| Toluene | 0 | 49 | 0 | ||
| Ethylbenzene | 0 | 49 | 0 | ||
| Naphthalene | 0 | 49 | 0 | ||
| Xylene [mix of m+o+p] | 0 | 49 | 0 | ||
| Carbon, tot organic [TOC] | 0 | 48 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 13 | 0 | ||
| Mercury, total [as Hg] | 0 | 10 | 0 | ||
| Zinc, total [as Zn] | 0 | 4 | 0 | ||
| 1,1-Dichloroethylene | 0 | 2 | 0 |
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 1, 2022 | Management Practice Violations - Laboratory Not Certified | ST6 |
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.
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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 SC0024970 there.
Nearby on the register
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- Every permit record in Sumter, A to Z
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- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.