Clean Water Act discharge permit · NPDES TNG670751
COLUMBIA GULF TRANSMISSION COMPANY, Hartsville, TN: NPDES TNG670751 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
COLUMBIA GULF TRANSMISSION COMPANY, held by Columbia Gulf Transmission, LLC, holds NPDES permit TNG670751, which discharges to Cumberland-Upper-Clear Fork. EPA’s file records it issued April 11, 2025 and expiring April 30, 2026. 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.
What the register holds for COLUMBIA GULF TRANSMISSION COMPANY: its NPDES ID, its permit type and status, its dates, its address in Hartsville, Tennessee, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TNG670751.
Identity
| Facility as filed | COLUMBIA GULF TRANSMISSION COMPANY |
|---|---|
| Permittee as filed | Columbia Gulf Transmission, LLC |
| NPDES ID | TNG670751 |
| 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 | April 11, 2025 |
| Expiration date | April 30, 2026 |
| Issuing agency | TDEC - DWR |
| Address | Hartsville, TN 37074 |
| Receiving water | Cumberland-Upper-Clear Fork |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Goose Creek Lower (HUC 051302010103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES TNG670751.
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 TNG670751.
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 TNG670751 there.
Nearby on the register
- Discharge permits in Hartsville
- Every permit record in Hartsville, A to Z
- Discharge permits in Tennessee
- Every permit record in Tennessee, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.