Clean Water Act discharge permit · NPDES WV0110621
COLUMBIA GAS TRANSMISSION - FLAT TOP COMPRESSOR STATION, Flat Top, WV: NPDES WV0110621 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
COLUMBIA GAS TRANSMISSION - FLAT TOP COMPRESSOR STATION, held by COLUMBIA GAS TRANSMISSION CORPORATION, holds NPDES permit WV0110621, which discharges to Unt/N. Fk/Mtn Creek/Bluestone River. EPA’s file records it issued July 7, 1994 and expiring July 2, 2023. 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 | COLUMBIA GAS TRANSMISSION - FLAT TOP COMPRESSOR STATION |
|---|---|
| Permittee as filed | COLUMBIA GAS TRANSMISSION CORPORATION |
| NPDES ID | WV0110621 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 7, 1994 |
| Expiration date | July 2, 2023 |
| Address | Flat Top, WV 25841 |
| Receiving water | UNT/N. Fk/Mtn Creek/Bluestone River |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 7Under a numeric limit
- 8With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Polychlorinated biphenyls [PCBs] | 0 | 3 | 2 | December 31, 2005 | 507% over the limit |
| Iron, total [as Fe] | 4 | 2 | 1 | February 29, 2008 | 178% over the limit |
| Petrol hydrocarbons, total recoverable | 0 | 12 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Carbon, tot organic [TOC] | 4 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 1 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 0 | 1 | 0 | ||
| Phenolics, total recoverable | 0 | 1 | 0 | ||
| Solids, total suspended | 4 | 0 | 0 | ||
| Oil and grease, hexane extr method | 4 | 0 | 0 | ||
| Chemical Oxygen Demand [COD] | 4 | 0 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WV0110621.
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 WV0110621 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.