Clean Water Act discharge permit · NPDES TNG110031
IMI TENNESSEE, LLC DBA IMI TN, LLC - SMITHVILLE, Smithville, TN: NPDES TNG110031 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
IMI TENNESSEE, LLC DBA IMI TN, LLC - SMITHVILLE, held by imi Tennessee, Inc., holds NPDES permit TNG110031, which discharges to Caney Fork. EPA’s file records it issued November 6, 2017 and expiring October 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | IMI TENNESSEE, LLC DBA IMI TN, LLC - SMITHVILLE |
|---|---|
| Permittee as filed | imi Tennessee, Inc. |
| NPDES ID | TNG110031 |
| 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 | November 6, 2017 |
| Expiration date | October 31, 2022 |
| Issuing agency | TDEC - DWR |
| Address | Smithville, TN 37166 |
| Receiving water | Caney Fork |
| Subwatershed | Fall Creek (HUC 051301080606) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| pH | 2 | 7 | 1 | September 30, 2012 | |
| Solids, total suspended | 1 | 4 | 1 | April 30, 2009 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 3 | 0 | ||
| Iron, total [as Fe] | 1 | 1 | 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 TNG110031.
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 TNG110031 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.