Clean Water Act discharge permit · NPDES TNG110067
IMI TENNESSEE, LLC DBA IMI TN, LLC - SPRING HILL, Spring Hill, TN: NPDES TNG110067 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
IMI TENNESSEE, LLC DBA IMI TN, LLC - SPRING HILL, held by IMI Tennessee, LLC (Spring Hill), holds NPDES permit TNG110067, which discharges to Duck-Lower. EPA’s file records it issued December 1, 2022 and expiring October 31, 2027. 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 | IMI TENNESSEE, LLC DBA IMI TN, LLC - SPRING HILL |
|---|---|
| Permittee as filed | IMI Tennessee, LLC (Spring Hill) |
| NPDES ID | TNG110067 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 1, 2022 |
| Expiration date | October 31, 2027 |
| Issuing agency | TDEC - DWR |
| Address | Spring Hill, TN 37174 |
| Receiving water | Duck-Lower |
| Subwatershed | Carters Creek (HUC 060400030202) |
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
- 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 | 4 | 4 | 0 | ||
| Solids, total suspended | 2 | 2 | 0 | ||
| Iron, total [as Fe] | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TNG110067.
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 TNG110067.
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
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, TNG110067.
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 TNG110067 there.
Nearby on the register
- Discharge permits in Spring Hill
- Every permit record in Spring Hill, 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.