Clean Water Act discharge permit · NPDES MDG679407
TRANSCONTINENTAL GAS PIPE LINE, Baltimore County, MD: NPDES MDG679407 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TRANSCONTINENTAL GAS PIPE LINE holds NPDES permit MDG679407. EPA’s file records it issued March 26, 2001 and expiring August 27, 2005. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TRANSCONTINENTAL GAS PIPE LINE |
|---|---|
| Permittee as filed | TRANSCONTINENTAL GAS PIPE LINE |
| NPDES ID | MDG679407 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 26, 2001 |
| Expiration date | August 27, 2005 |
| Address | Baltimore County, MD 21226 |
| Subwatershed | Benson Branch-Middle Patuxent River (HUC 020600060201) |
| SIC | 3795 – Tanks And Tank Components |
| Other EPA IDs (FRS) | RCRA handler MDD985368612; ICIS-AIR source MD0000002402700223 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 7Pollutants on file
- 0Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| pH | 0 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 8 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 5 | 0 | ||
| Solids, total suspended | 0 | 5 | 0 | ||
| Oil & Grease | 0 | 5 | 0 | ||
| Chlorine, total residual | 0 | 5 | 0 | ||
| Temp. diff. between up/down stream deg. F | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG679407.
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 MDG679407.
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 MDG679407 there.
Nearby on the register
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- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.