Clean Water Act discharge permit · NPDES TNG830100
TIPTON COUNTY TDOT, Covington, TN: NPDES TNG830100 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
TIPTON COUNTY TDOT, held by Tipton County TDOT, holds NPDES permit TNG830100, which discharges to Unt To Town Creek. EPA’s file records it issued April 14, 2009 and expiring February 14, 2013. 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 | TIPTON COUNTY TDOT |
|---|---|
| Permittee as filed | Tipton County TDOT |
| NPDES ID | TNG830100 |
| 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 14, 2009 |
| Expiration date | February 14, 2013 |
| Issuing agency | TDEC-WPC |
| Address | Covington, TN 38019 |
| Receiving water | UNT to Town Creek |
| Subwatershed | Hatchie River-Cotton Lake (HUC 080102080802) |
| SIC | 5541 – Gasoline Service Stations |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 1 | 7 | 5 | September 30, 2013 | 210% over the limit |
| Xylene [mix of m+o+p] | 1 | 6 | 4 | June 30, 2015 | 326% over the limit |
| pH | 2 | 5 | 1 | September 30, 2012 | |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 4 | 1 | June 30, 2014 | 35% over the limit |
| Benzene | 1 | 3 | 1 | December 31, 2011 | 10% over the limit |
| Ethylbenzene | 1 | 3 | 1 | June 30, 2015 | 90% over the limit |
| Lead, total [as Pb] | 2 | 11 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 1 | 3 | 0 | ||
| Toluene | 1 | 2 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TNG830100.
Inspections
EPA’s inspection file holds no inspection for NPDES TNG830100.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TNG830100.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TNG830100.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 TNG830100 there.
Nearby on the register
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- Every permit record in Covington, A to Z
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- Every permit record in Tennessee, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.